[lkp] [cgroup] 1552ecad0c: INFO: suspicious RCU usage. ]
by kernel test robot
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security 2016-01-04/cgroupns.lockfix.rb
commit 1552ecad0cce46249034ac21a5f4de1a7e438d18 ("cgroup: introduce cgroup namespaces")
+-----------------------------------------------------------------------------+------------+------------+
| | f2a74e2f95 | 1552ecad0c |
+-----------------------------------------------------------------------------+------------+------------+
| boot_successes | 10 | 4 |
| boot_failures | 0 | 4 |
| INFO:suspicious_RCU_usage | 0 | 4 |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c | 0 | 4 |
| INFO:lockdep_is_turned_off | 0 | 4 |
| WARNING:at_kernel/softirq.c:#__local_bh_enable_ip() | 0 | 4 |
| backtrace:vfs_read | 0 | 4 |
| backtrace:SyS_read | 0 | 4 |
+-----------------------------------------------------------------------------+------------+------------+
[ 55.044030] mount.nfs (3519) used greatest stack depth: 11584 bytes left
[ 56.148911]
[ 56.149300] ===============================
[ 56.150062] [ INFO: suspicious RCU usage. ]
[ 56.151432] 4.4.0-rc1-00024-g1552eca #1 Not tainted
[ 56.152911] -------------------------------
[ 56.154282] include/linux/rcupdate.h:560 Illegal context switch in RCU read-side critical section!
[ 56.157290]
[ 56.157290] other info that might help us debug this:
[ 56.157290]
[ 56.160443]
[ 56.160443] rcu_scheduler_active = 1, debug_locks = 0
[ 56.162772] 3 locks held by cat/3847:
[ 56.164038] #0: (&p->lock){+.+.+.}, at: [<ffffffff811f0a20>] seq_read+0x3c/0x350
[ 56.167012] #1: (sched_debug_lock){......}, at: [<ffffffff810d396f>] print_cpu+0x585/0x9c6
[ 56.170123] #2: (rcu_read_lock){......}, at: [<ffffffff810cbdc6>] print_cfs_stats+0x5/0x143
[ 56.173245]
[ 56.173245] stack backtrace:
[ 56.175284] CPU: 0 PID: 3847 Comm: cat Not tainted 4.4.0-rc1-00024-g1552eca #1
[ 56.177729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 56.180438] 0000000000000000 ffff88003c19fb70 ffffffff81505768 ffff88003c2a5100
[ 56.183292] ffff88003c19fba0 ffffffff810d85d6 ffffffff82079d0f 0000000000000269
[ 56.186135] 0000000000000000 00000000001d6300 ffff88003c19fbc8 ffffffff810b83de
[ 56.188969] Call Trace:
[ 56.190068] [<ffffffff81505768>] dump_stack+0x4b/0x63
[ 56.191581] [<ffffffff810d85d6>] lockdep_rcu_suspicious+0xf7/0x100
[ 56.193276] [<ffffffff810b83de>] ___might_sleep+0x58/0x200
[ 56.194854] [<ffffffff810b85fb>] __might_sleep+0x75/0x7c
[ 56.196416] [<ffffffff81c250d1>] mutex_lock_nested+0x3e/0x35f
[ 56.198040] [<ffffffff8105080a>] ? sched_clock+0x9/0xd
[ 56.199570] [<ffffffff810c2a54>] ? local_clock+0x20/0x22
[ 56.201124] [<ffffffff81124658>] cgroup_path_ns+0x2c/0x72
[ 56.202685] [<ffffffff81124658>] ? cgroup_path_ns+0x2c/0x72
[ 56.204375] [<ffffffff810d33e1>] task_group_path+0x4a/0x53
[ 56.205949] [<ffffffff810d3e24>] print_cfs_rq+0x52/0xb79
[ 56.207507] [<ffffffff810cbe8c>] print_cfs_stats+0xcb/0x143
[ 56.209101] [<ffffffff810d397e>] print_cpu+0x594/0x9c6
[ 56.210624] [<ffffffff810d3dc7>] sched_debug_show+0x17/0x22
[ 56.212229] [<ffffffff811f0c4e>] seq_read+0x26a/0x350
[ 56.213731] [<ffffffff81225e6f>] proc_reg_read+0x48/0x67
[ 56.215280] [<ffffffff81225e27>] ? proc_reg_write+0x67/0x67
[ 56.216866] [<ffffffff811cf299>] __vfs_read+0x26/0xb9
[ 56.218375] [<ffffffff810d5e5b>] ? up_read+0x1f/0x35
[ 56.219861] [<ffffffff8108492d>] ? __do_page_fault+0x3aa/0x424
[ 56.221508] [<ffffffff811cf969>] vfs_read+0xa0/0x12e
[ 56.222999] [<ffffffff811d04cc>] SyS_read+0x51/0x92
[ 56.224479] [<ffffffff81c295f2>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 56.226192] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:617
[ 56.229101] in_atomic(): 1, irqs_disabled(): 1, pid: 3847, name: cat
[ 56.230798] INFO: lockdep is turned off.
[ 56.232285] irq event stamp: 1812
[ 56.233502] hardirqs last enabled at (1811): [<ffffffff810d2e71>] sched_debug_header+0x63/0x4a5
[ 56.236352] hardirqs last disabled at (1812): [<ffffffff81c28aa7>] _raw_spin_lock_irqsave+0x27/0x88
[ 56.239178] softirqs last enabled at (1346): [<ffffffff8109828a>] __do_softirq+0x2ce/0x3bc
[ 56.241888] softirqs last disabled at (1221): [<ffffffff810985a0>] irq_exit+0x47/0x9b
[ 56.244521] CPU: 0 PID: 3847 Comm: cat Not tainted 4.4.0-rc1-00024-g1552eca #1
[ 56.246950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 56.249649] 0000000000000000 ffff88003c19fba0 ffffffff81505768 ffff88003c2a5100
[ 56.252582] ffff88003c19fbc8 ffffffff810b857f ffffffff82079d0f 0000000000000269
[ 56.255437] 0000000000000000 ffff88003c19fbf0 ffffffff810b85fb ffffffff8227c4a0
[ 56.258293] Call Trace:
[ 56.259372] [<ffffffff81505768>] dump_stack+0x4b/0x63
[ 56.260877] [<ffffffff810b857f>] ___might_sleep+0x1f9/0x200
[ 56.262476] [<ffffffff810b85fb>] __might_sleep+0x75/0x7c
[ 56.264076] [<ffffffff81c250d1>] mutex_lock_nested+0x3e/0x35f
[ 56.265722] [<ffffffff8105080a>] ? sched_clock+0x9/0xd
[ 56.267254] [<ffffffff810c2a54>] ? local_clock+0x20/0x22
[ 56.268802] [<ffffffff81124658>] cgroup_path_ns+0x2c/0x72
[ 56.270372] [<ffffffff81124658>] ? cgroup_path_ns+0x2c/0x72
[ 56.271955] [<ffffffff810d33e1>] task_group_path+0x4a/0x53
[ 56.273537] [<ffffffff810d3e24>] print_cfs_rq+0x52/0xb79
[ 56.275089] [<ffffffff810cbe8c>] print_cfs_stats+0xcb/0x143
[ 56.276684] [<ffffffff810d397e>] print_cpu+0x594/0x9c6
[ 56.278208] [<ffffffff810d3dc7>] sched_debug_show+0x17/0x22
[ 56.279802] [<ffffffff811f0c4e>] seq_read+0x26a/0x350
[ 56.281313] [<ffffffff81225e6f>] proc_reg_read+0x48/0x67
[ 56.282855] [<ffffffff81225e27>] ? proc_reg_write+0x67/0x67
[ 56.284445] [<ffffffff811cf299>] __vfs_read+0x26/0xb9
[ 56.285947] [<ffffffff810d5e5b>] ? up_read+0x1f/0x35
[ 56.287443] [<ffffffff8108492d>] ? __do_page_fault+0x3aa/0x424
[ 56.289067] [<ffffffff811cf969>] vfs_read+0xa0/0x12e
[ 56.290557] [<ffffffff811d04cc>] SyS_read+0x51/0x92
[ 56.292043] [<ffffffff81c295f2>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 56.293761] ------------[ cut here ]------------
[ 56.295180] WARNING: CPU: 0 PID: 3847 at kernel/softirq.c:150 __local_bh_enable_ip+0x45/0xb4()
[ 56.298176] Modules linked in: snd_pcsp
[ 56.299668] CPU: 0 PID: 3847 Comm: cat Not tainted 4.4.0-rc1-00024-g1552eca #1
[ 56.302095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 56.304768] 0000000000000000 ffff88003c19fbe8 ffffffff81505768 0000000000000000
[ 56.307588] ffff88003c19fc20 ffffffff810939e9 ffffffff81098485 0000000000000201
[ 56.310408] ffffffff81124687 0000000000000000 00000000001d6300 ffff88003c19fc30
[ 56.313226] Call Trace:
[ 56.314296] [<ffffffff81505768>] dump_stack+0x4b/0x63
[ 56.315786] [<ffffffff810939e9>] warn_slowpath_common+0x99/0xb2
[ 56.317427] [<ffffffff81098485>] ? __local_bh_enable_ip+0x45/0xb4
[ 56.319091] [<ffffffff81124687>] ? cgroup_path_ns+0x5b/0x72
[ 56.320762] [<ffffffff81093ab5>] warn_slowpath_null+0x1a/0x1c
[ 56.322371] [<ffffffff81098485>] __local_bh_enable_ip+0x45/0xb4
[ 56.323996] [<ffffffff81c28c72>] _raw_spin_unlock_bh+0x35/0x38
[ 56.325611] [<ffffffff81124687>] cgroup_path_ns+0x5b/0x72
[ 56.327159] [<ffffffff810d33e1>] task_group_path+0x4a/0x53
[ 56.328712] [<ffffffff810d3e24>] print_cfs_rq+0x52/0xb79
[ 56.330251] [<ffffffff810cbe8c>] print_cfs_stats+0xcb/0x143
[ 56.331822] [<ffffffff810d397e>] print_cpu+0x594/0x9c6
[ 56.333328] [<ffffffff810d3dc7>] sched_debug_show+0x17/0x22
[ 56.334894] [<ffffffff811f0c4e>] seq_read+0x26a/0x350
[ 56.336390] [<ffffffff81225e6f>] proc_reg_read+0x48/0x67
[ 56.337915] [<ffffffff81225e27>] ? proc_reg_write+0x67/0x67
[ 56.339593] [<ffffffff811cf299>] __vfs_read+0x26/0xb9
[ 56.341091] [<ffffffff810d5e5b>] ? up_read+0x1f/0x35
[ 56.342564] [<ffffffff8108492d>] ? __do_page_fault+0x3aa/0x424
[ 56.344180] [<ffffffff811cf969>] vfs_read+0xa0/0x12e
[ 56.345489] [<ffffffff811d04cc>] SyS_read+0x51/0x92
[ 56.346433] [<ffffffff81c295f2>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 56.347526] ---[ end trace 44f5e154b5cac1f9 ]---
[ 56.347526] ---[ end trace 44f5e154b5cac1f9 ]---
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Kernel Test Robot
5 years
[lkp] [cgroup] 6adb73eff2: BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97
by kernel test robot
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security cgroupns.v9
commit 6adb73eff28e2ae9876bc5bce4e4ec7d15bab537 ("cgroup: introduce cgroup namespaces")
+-----------------------------------------------------------------------------+------------+------------+
| | f2a74e2f95 | 6adb73eff2 |
+-----------------------------------------------------------------------------+------------+------------+
| boot_successes | 8 | 4 |
| boot_failures | 0 | 4 |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c | 0 | 4 |
| WARNING:at_kernel/softirq.c:#__local_bh_enable_ip() | 0 | 4 |
| backtrace:vfs_read | 0 | 4 |
| backtrace:SyS_read | 0 | 4 |
+-----------------------------------------------------------------------------+------------+------------+
[ 23.823700] systemd-journald[1771]: Vacuuming done, freed 0 bytes
LKP: HOSTNAME vm-kbuild-2G-8, MAC 52:54:00:12:34:56, kernel 4.4.0-rc1-00024-g6adb73e 1, serial console /dev/ttyS0
[ 32.251978] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:97
[ 32.253721] in_atomic(): 1, irqs_disabled(): 1, pid: 2642, name: cat
[ 32.255555] CPU: 0 PID: 2642 Comm: cat Not tainted 4.4.0-rc1-00024-g6adb73e #1
[ 32.271987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 32.293786] 0000000000000000 ffff88007efcbc30 ffffffff814bec06 ffffffff81ec2c6f
[ 32.296552] ffff88007efcbc40 ffffffff8111b4ed ffff88007efcbc68 ffffffff8111b58e
[ 32.307644] ffffffff82266330 ffffffff822662a0 0000000000000000 ffff88007efcbc80
[ 32.340424] Call Trace:
[ 32.345652] [<ffffffff814bec06>] dump_stack+0x4b/0x63
[ 32.347428] [<ffffffff8111b4ed>] ___might_sleep+0x133/0x135
[ 32.349358] [<ffffffff8111b58e>] __might_sleep+0x9f/0xa6
[ 32.359114] [<ffffffff81a5192b>] mutex_lock+0x20/0x42
[ 32.360762] [<ffffffff8116d714>] cgroup_path_ns+0x2a/0x72
[ 32.370694] [<ffffffff81131a64>] task_group_path+0x31/0x33
[ 32.372667] [<ffffffff8113227d>] print_cfs_rq+0x52/0x7d9
[ 32.374494] [<ffffffff8112c44a>] print_cfs_stats+0x6d/0x8f
[ 32.376061] [<ffffffff81131ead>] print_cpu+0x447/0x7a3
[ 32.377525] [<ffffffff81131776>] ? sched_debug_header+0x2c8/0x4e1
[ 32.379402] [<ffffffff81132220>] sched_debug_show+0x17/0x22
[ 32.381049] [<ffffffff81239fa2>] seq_read+0x252/0x337
[ 32.382636] [<ffffffff81276198>] proc_reg_read+0x48/0x67
[ 32.384256] [<ffffffff81276150>] ? proc_reg_write+0x67/0x67
[ 32.386007] [<ffffffff8121c5b0>] __vfs_read+0x26/0xb0
[ 32.387636] [<ffffffff81082763>] ? __do_page_fault+0x3a5/0x41f
[ 32.389352] [<ffffffff8121cc53>] vfs_read+0x98/0x123
[ 32.390782] [<ffffffff8121d778>] SyS_read+0x4e/0x89
[ 32.392136] [<ffffffff81a53872>] entry_SYSCALL_64_fastpath+0x12/0x71
[ 32.393861] ------------[ cut here ]------------
[ 32.395321] WARNING: CPU: 0 PID: 2642 at kernel/softirq.c:150 __local_bh_enable_ip+0x45/0xb4()
[ 32.399495] Modules linked in: acpi_cpufreq
[ 32.401129] CPU: 0 PID: 2642 Comm: cat Not tainted 4.4.0-rc1-00024-g6adb73e #1
[ 32.403887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 32.407054] 0000000000000000 ffff88007efcbc08 ffffffff814bec06 0000000000000000
[ 32.410215] ffff88007efcbc40 ffffffff810fabbd ffffffff810fec1b 0000000000000201
[ 32.413558] ffffffff8116d745 0000000000000000 0000000000000000 ffff88007efcbc50
[ 32.416393] Call Trace:
[ 32.417475] [<ffffffff814bec06>] dump_stack+0x4b/0x63
[ 32.418930] [<ffffffff810fabbd>] warn_slowpath_common+0x9f/0xb8
[ 32.420502] [<ffffffff810fec1b>] ? __local_bh_enable_ip+0x45/0xb4
[ 32.422131] [<ffffffff8116d745>] ? cgroup_path_ns+0x5b/0x72
[ 32.423642] [<ffffffff810fac89>] warn_slowpath_null+0x1a/0x1c
[ 32.425210] [<ffffffff810fec1b>] __local_bh_enable_ip+0x45/0xb4
[ 32.426824] [<ffffffff81a53234>] _raw_spin_unlock_bh+0x1a/0x1c
[ 32.428614] [<ffffffff8116d745>] cgroup_path_ns+0x5b/0x72
[ 32.430200] [<ffffffff81131a64>] task_group_path+0x31/0x33
[ 32.432014] [<ffffffff8113227d>] print_cfs_rq+0x52/0x7d9
[ 32.433806] [<ffffffff8112c44a>] print_cfs_stats+0x6d/0x8f
[ 32.435586] [<ffffffff81131ead>] print_cpu+0x447/0x7a3
[ 32.438569] [<ffffffff81131776>] ? sched_debug_header+0x2c8/0x4e1
[ 32.441797] [<ffffffff81132220>] sched_debug_show+0x17/0x22
[ 32.443660] [<ffffffff81239fa2>] seq_read+0x252/0x337
[ 32.448305] [<ffffffff81276198>] proc_reg_read+0x48/0x67
[ 32.454036] [<ffffffff81276150>] ? proc_reg_write+0x67/0x67
[ 32.455716] [<ffffffff8121c5b0>] __vfs_read+0x26/0xb0
[ 32.465920] [<ffffffff81082763>] ? __do_page_fault+0x3a5/0x41f
[ 32.467854] [<ffffffff8121cc53>] vfs_read+0x98/0x123
[ 32.477553] [<ffffffff8121d778>] SyS_read+0x4e/0x89
[ 32.479155] [<ffffffff81a53872>] entry_SYSCALL_64_fastpath+0x12/0x71
[ 32.480923] ---[ end trace e8da3a8fb61be5a1 ]---
[ 32.480923] ---[ end trace e8da3a8fb61be5a1 ]---
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Kernel Test Robot
5 years
[lkp] [cgroup] 2f37bb12d3: INFO: suspicious RCU usage. ]
by kernel test robot
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security 2016-01-04/cgroupns
commit 2f37bb12d30f69cd692933c4646dee73fc58eb43 ("cgroup: introduce cgroup namespaces")
+-----------------------------------------------------------------------------+------------+------------+
| | f2a74e2f95 | 2f37bb12d3 |
+-----------------------------------------------------------------------------+------------+------------+
| boot_successes | 10 | 0 |
| boot_failures | 0 | 4 |
| INFO:suspicious_RCU_usage | 0 | 4 |
| BUG:sleeping_function_called_from_invalid_context_at_kernel/locking/mutex.c | 0 | 4 |
| INFO:lockdep_is_turned_off | 0 | 4 |
| WARNING:at_kernel/softirq.c:#__local_bh_enable_ip() | 0 | 4 |
| backtrace:do_mount | 0 | 4 |
| backtrace:SyS_mount | 0 | 4 |
+-----------------------------------------------------------------------------+------------+------------+
[ 24.723231] Freeing unused kernel memory: 3412K (ffffffff823d1000 - ffffffff82726000)
[ 29.889139]
[ 29.890258] ===============================
[ 29.894865] [ INFO: suspicious RCU usage. ]
[ 29.896444] 4.4.0-rc1-00024-g2f37bb1 #1 Not tainted
[ 29.903005] -------------------------------
[ 29.904342] include/linux/rcupdate.h:560 Illegal context switch in RCU read-side critical section!
[ 29.913573]
[ 29.913573] other info that might help us debug this:
[ 29.913573]
[ 29.929253]
[ 29.929253] rcu_scheduler_active = 1, debug_locks = 0
[ 29.931806] 5 locks held by mount/2358:
[ 29.939337] #0: (&bdev->bd_mutex){+.+.+.}, at: [<ffffffff812042cb>] __blkdev_get+0xa3/0x3dc
[ 29.942861] #1: (floppy_mutex){+.+.+.}, at: [<ffffffff816f1afa>] floppy_open+0x38/0x315
[ 29.946213] #2: (open_lock){+.+.+.}, at: [<ffffffff816f1b08>] floppy_open+0x46/0x315
[ 29.967575] #3: (floppy_lock){......}, at: [<ffffffff814ffc70>] cfq_set_request+0x5c/0x31e
[ 29.970999] #4: (rcu_read_lock){......}, at: [<ffffffff814ff57a>] cfq_get_queue+0x5/0x480
[ 29.992419]
[ 29.992419] stack backtrace:
[ 29.994609] CPU: 0 PID: 2358 Comm: mount Not tainted 4.4.0-rc1-00024-g2f37bb1 #1
[ 30.015336] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 30.018272] 0000000000000000 ffff88000b4c3670 ffffffff81505649 ffff88000ba90000
[ 30.021369] ffff88000b4c36a0 ffffffff810d85d6 ffffffff82079d47 0000000000000269
[ 30.076584] 0000000000000000 0000000000000000 ffff88000b4c36c8 ffffffff810b83de
[ 30.079859] Call Trace:
[ 30.102171] [<ffffffff81505649>] dump_stack+0x4b/0x63
[ 30.103881] [<ffffffff810d85d6>] lockdep_rcu_suspicious+0xf7/0x100
[ 30.105797] [<ffffffff810b83de>] ___might_sleep+0x58/0x200
[ 30.107581] [<ffffffff810b85fb>] __might_sleep+0x75/0x7c
[ 30.109284] [<ffffffff81c24fb1>] mutex_lock_nested+0x3e/0x35f
[ 30.111037] [<ffffffff810d7415>] ? __lock_is_held+0x3c/0x57
[ 30.130858] [<ffffffff814ff827>] ? cfq_get_queue+0x2b2/0x480
[ 30.132710] [<ffffffff81124658>] cgroup_path_ns+0x2c/0x72
[ 30.134475] [<ffffffff81124658>] ? cgroup_path_ns+0x2c/0x72
[ 30.136232] [<ffffffff811246b3>] cgroup_path+0x15/0x17
[ 30.150820] [<ffffffff814ff8dd>] cfq_get_queue+0x368/0x480
[ 30.152607] [<ffffffff810dc60e>] ? lock_acquire+0x113/0x1a1
[ 30.154395] [<ffffffff814ffc70>] ? cfq_set_request+0x5c/0x31e
[ 30.156149] [<ffffffff814ffc70>] ? cfq_set_request+0x5c/0x31e
[ 30.157899] [<ffffffff814ffd48>] cfq_set_request+0x134/0x31e
[ 30.159750] [<ffffffff810da0f4>] ? mark_held_locks+0x5e/0x74
[ 30.161524] [<ffffffff81c28bde>] ? _raw_spin_unlock_irq+0x2c/0x3d
[ 30.163320] [<ffffffff810da287>] ? trace_hardirqs_on_caller+0x17d/0x199
[ 30.165231] [<ffffffff810da2b0>] ? trace_hardirqs_on+0xd/0xf
[ 30.166978] [<ffffffff81c28bde>] ? _raw_spin_unlock_irq+0x2c/0x3d
[ 30.168768] [<ffffffff814d9336>] elv_set_request+0x1c/0x21
[ 30.170555] [<ffffffff814dd2eb>] get_request+0x516/0x933
[ 30.198310] [<ffffffff810d1374>] ? wake_up_bit+0x2a/0x2a
[ 30.200009] [<ffffffff814e077a>] blk_queue_bio+0x19c/0x3c6
[ 30.201711] [<ffffffff814de8d5>] generic_make_request+0xc0/0x15e
[ 30.203530] [<ffffffff814dea7c>] submit_bio+0x109/0x114
[ 30.205177] [<ffffffff816f1795>] __floppy_read_block_0+0xcb/0x116
[ 30.206959] [<ffffffff810da0f4>] ? mark_held_locks+0x5e/0x74
[ 30.208701] [<ffffffff81c28b9c>] ? _raw_spin_unlock_irqrestore+0x47/0x5d
[ 30.214879] [<ffffffff810da287>] ? trace_hardirqs_on_caller+0x17d/0x199
[ 30.216775] [<ffffffff816f1685>] ? floppy_resume+0x3f/0x3f
[ 30.218558] [<ffffffff816f1935>] floppy_revalidate+0x155/0x18b
[ 30.220221] [<ffffffff812039e7>] check_disk_change+0x52/0x5e
[ 30.221972] [<ffffffff816f1d68>] floppy_open+0x2a6/0x315
[ 30.223641] [<ffffffff8120433d>] __blkdev_get+0x115/0x3dc
[ 30.225392] [<ffffffff812048c0>] ? blkdev_get+0x2bc/0x2fd
[ 30.240248] [<ffffffff812047ca>] blkdev_get+0x1c6/0x2fd
[ 30.241977] [<ffffffff811ed4bf>] ? mntput_no_expire+0xdd/0x34d
[ 30.243742] [<ffffffff811ed75c>] ? mntput+0x2d/0x2f
[ 30.245364] [<ffffffff811d8308>] ? path_put+0x1e/0x21
[ 30.247008] [<ffffffff81204b1f>] blkdev_get_by_path+0x38/0x71
[ 30.260842] [<ffffffff811d230e>] mount_bdev+0x48/0x19f
[ 30.262569] [<ffffffff812811a7>] ? ext4_calculate_overhead+0x2bd/0x2bd
[ 30.264552] [<ffffffff8127da09>] ext4_mount+0x15/0x17
[ 30.266201] [<ffffffff811d2f39>] mount_fs+0x14/0x8c
[ 30.267820] [<ffffffff811ec988>] vfs_kern_mount+0x6c/0x13a
[ 30.281895] [<ffffffff811efb3e>] do_mount+0xa45/0xbcf
[ 30.283599] [<ffffffff8119374c>] ? strndup_user+0x3f/0x8c
[ 30.285307] [<ffffffff811efef3>] SyS_mount+0x75/0xa1
[ 30.286895] [<ffffffff81c294f2>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 30.288636] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:617
[ 30.291763] in_atomic(): 1, irqs_disabled(): 1, pid: 2358, name: mount
[ 30.302833] INFO: lockdep is turned off.
[ 30.304377] irq event stamp: 2146
[ 30.305789] hardirqs last enabled at (2145): [<ffffffff81c28bde>] _raw_spin_unlock_irq+0x2c/0x3d
[ 30.308833] hardirqs last disabled at (2146): [<ffffffff81c28a03>] _raw_spin_lock_irq+0x1b/0x77
[ 30.325015] softirqs last enabled at (2096): [<ffffffff8109828a>] __do_softirq+0x2ce/0x3bc
[ 30.328158] softirqs last disabled at (2015): [<ffffffff810985a0>] irq_exit+0x47/0x9b
[ 30.331157] CPU: 0 PID: 2358 Comm: mount Not tainted 4.4.0-rc1-00024-g2f37bb1 #1
[ 30.333870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 30.349550] 0000000000000000 ffff88000b4c36a0 ffffffff81505649 ffff88000ba90000
[ 30.352376] ffff88000b4c36c8 ffffffff810b857f ffffffff82079d47 0000000000000269
[ 30.355309] 0000000000000000 ffff88000b4c36f0 ffffffff810b85fb ffffffff8227c4a0
[ 30.358186] Call Trace:
[ 30.359444] [<ffffffff81505649>] dump_stack+0x4b/0x63
[ 30.360947] [<ffffffff810b857f>] ___might_sleep+0x1f9/0x200
[ 30.374649] [<ffffffff810b85fb>] __might_sleep+0x75/0x7c
[ 30.376366] [<ffffffff81c24fb1>] mutex_lock_nested+0x3e/0x35f
[ 30.377975] [<ffffffff810d7415>] ? __lock_is_held+0x3c/0x57
[ 30.392669] [<ffffffff814ff827>] ? cfq_get_queue+0x2b2/0x480
[ 30.394349] [<ffffffff81124658>] cgroup_path_ns+0x2c/0x72
[ 30.395795] [<ffffffff81124658>] ? cgroup_path_ns+0x2c/0x72
[ 30.397342] [<ffffffff811246b3>] cgroup_path+0x15/0x17
[ 30.399137] [<ffffffff814ff8dd>] cfq_get_queue+0x368/0x480
[ 30.400768] [<ffffffff810dc60e>] ? lock_acquire+0x113/0x1a1
[ 30.402242] [<ffffffff814ffc70>] ? cfq_set_request+0x5c/0x31e
[ 30.412934] [<ffffffff814ffc70>] ? cfq_set_request+0x5c/0x31e
[ 30.414461] [<ffffffff814ffd48>] cfq_set_request+0x134/0x31e
[ 30.416314] [<ffffffff810da0f4>] ? mark_held_locks+0x5e/0x74
[ 30.418029] [<ffffffff81c28bde>] ? _raw_spin_unlock_irq+0x2c/0x3d
[ 30.419557] [<ffffffff810da287>] ? trace_hardirqs_on_caller+0x17d/0x199
[ 30.421169] [<ffffffff810da2b0>] ? trace_hardirqs_on+0xd/0xf
[ 30.433999] [<ffffffff81c28bde>] ? _raw_spin_unlock_irq+0x2c/0x3d
[ 30.435841] [<ffffffff814d9336>] elv_set_request+0x1c/0x21
[ 30.437539] [<ffffffff814dd2eb>] get_request+0x516/0x933
[ 30.439329] [<ffffffff810d1374>] ? wake_up_bit+0x2a/0x2a
[ 30.441085] [<ffffffff814e077a>] blk_queue_bio+0x19c/0x3c6
[ 30.442784] [<ffffffff814de8d5>] generic_make_request+0xc0/0x15e
[ 30.444593] [<ffffffff814dea7c>] submit_bio+0x109/0x114
[ 30.459403] [<ffffffff816f1795>] __floppy_read_block_0+0xcb/0x116
[ 30.461273] [<ffffffff810da0f4>] ? mark_held_locks+0x5e/0x74
[ 30.462849] [<ffffffff81c28b9c>] ? _raw_spin_unlock_irqrestore+0x47/0x5d
[ 30.464706] [<ffffffff810da287>] ? trace_hardirqs_on_caller+0x17d/0x199
[ 30.466616] [<ffffffff816f1685>] ? floppy_resume+0x3f/0x3f
[ 30.468094] [<ffffffff816f1935>] floppy_revalidate+0x155/0x18b
[ 30.469713] [<ffffffff812039e7>] check_disk_change+0x52/0x5e
[ 30.484430] [<ffffffff816f1d68>] floppy_open+0x2a6/0x315
[ 30.486076] [<ffffffff8120433d>] __blkdev_get+0x115/0x3dc
[ 30.487619] [<ffffffff812048c0>] ? blkdev_get+0x2bc/0x2fd
[ 30.489073] [<ffffffff812047ca>] blkdev_get+0x1c6/0x2fd
[ 30.490473] [<ffffffff811ed4bf>] ? mntput_no_expire+0xdd/0x34d
[ 30.492040] [<ffffffff811ed75c>] ? mntput+0x2d/0x2f
[ 30.493508] [<ffffffff811d8308>] ? path_put+0x1e/0x21
[ 30.494967] [<ffffffff81204b1f>] blkdev_get_by_path+0x38/0x71
[ 30.496443] [<ffffffff811d230e>] mount_bdev+0x48/0x19f
[ 30.497838] [<ffffffff812811a7>] ? ext4_calculate_overhead+0x2bd/0x2bd
[ 30.499568] [<ffffffff8127da09>] ext4_mount+0x15/0x17
[ 30.514205] [<ffffffff811d2f39>] mount_fs+0x14/0x8c
[ 30.515769] [<ffffffff811ec988>] vfs_kern_mount+0x6c/0x13a
[ 30.517471] [<ffffffff811efb3e>] do_mount+0xa45/0xbcf
[ 30.519125] [<ffffffff8119374c>] ? strndup_user+0x3f/0x8c
[ 30.520873] [<ffffffff811efef3>] SyS_mount+0x75/0xa1
[ 30.522380] [<ffffffff81c294f2>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 30.523969] ------------[ cut here ]------------
[ 30.525353] WARNING: CPU: 0 PID: 2358 at kernel/softirq.c:150 __local_bh_enable_ip+0x45/0xb4()
[ 30.541542] Modules linked in:
[ 30.542882] CPU: 0 PID: 2358 Comm: mount Not tainted 4.4.0-rc1-00024-g2f37bb1 #1
[ 30.545260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 30.547707] 0000000000000000 ffff88000b4c36e8 ffffffff81505649 0000000000000000
[ 30.550543] ffff88000b4c3720 ffffffff810939e9 ffffffff81098485 0000000000000201
[ 30.553777] ffffffff81124687 ffff88000b4f6000 0000000000000000 ffff88000b4c3730
[ 30.570022] Call Trace:
[ 30.571191] [<ffffffff81505649>] dump_stack+0x4b/0x63
[ 30.572786] [<ffffffff810939e9>] warn_slowpath_common+0x99/0xb2
[ 30.574587] [<ffffffff81098485>] ? __local_bh_enable_ip+0x45/0xb4
[ 30.576425] [<ffffffff81124687>] ? cgroup_path_ns+0x5b/0x72
[ 30.578230] [<ffffffff81093ab5>] warn_slowpath_null+0x1a/0x1c
[ 30.580107] [<ffffffff81098485>] __local_bh_enable_ip+0x45/0xb4
[ 30.595125] [<ffffffff81c28b52>] _raw_spin_unlock_bh+0x35/0x38
[ 30.597009] [<ffffffff81124687>] cgroup_path_ns+0x5b/0x72
[ 30.611039] [<ffffffff811246b3>] cgroup_path+0x15/0x17
[ 30.612817] [<ffffffff814ff8dd>] cfq_get_queue+0x368/0x480
[ 30.614661] [<ffffffff810dc60e>] ? lock_acquire+0x113/0x1a1
[ 30.616302] [<ffffffff814ffc70>] ? cfq_set_request+0x5c/0x31e
[ 30.617786] [<ffffffff814ffc70>] ? cfq_set_request+0x5c/0x31e
[ 30.619521] [<ffffffff814ffd48>] cfq_set_request+0x134/0x31e
[ 30.621283] [<ffffffff810da0f4>] ? mark_held_locks+0x5e/0x74
[ 30.632111] [<ffffffff81c28bde>] ? _raw_spin_unlock_irq+0x2c/0x3d
[ 30.633862] [<ffffffff810da287>] ? trace_hardirqs_on_caller+0x17d/0x199
[ 30.635700] [<ffffffff810da2b0>] ? trace_hardirqs_on+0xd/0xf
[ 30.637368] [<ffffffff81c28bde>] ? _raw_spin_unlock_irq+0x2c/0x3d
[ 30.639112] [<ffffffff814d9336>] elv_set_request+0x1c/0x21
[ 30.640741] [<ffffffff814dd2eb>] get_request+0x516/0x933
[ 30.654149] [<ffffffff810d1374>] ? wake_up_bit+0x2a/0x2a
[ 30.655765] [<ffffffff814e077a>] blk_queue_bio+0x19c/0x3c6
[ 30.657479] [<ffffffff814de8d5>] generic_make_request+0xc0/0x15e
[ 30.659366] [<ffffffff814dea7c>] submit_bio+0x109/0x114
[ 30.661102] [<ffffffff816f1795>] __floppy_read_block_0+0xcb/0x116
[ 30.662903] [<ffffffff810da0f4>] ? mark_held_locks+0x5e/0x74
[ 30.664513] [<ffffffff81c28b9c>] ? _raw_spin_unlock_irqrestore+0x47/0x5d
[ 30.679590] [<ffffffff810da287>] ? trace_hardirqs_on_caller+0x17d/0x199
[ 30.681598] [<ffffffff816f1685>] ? floppy_resume+0x3f/0x3f
[ 30.683253] [<ffffffff816f1935>] floppy_revalidate+0x155/0x18b
[ 30.684989] [<ffffffff812039e7>] check_disk_change+0x52/0x5e
[ 30.686809] [<ffffffff816f1d68>] floppy_open+0x2a6/0x315
[ 30.688465] [<ffffffff8120433d>] __blkdev_get+0x115/0x3dc
[ 30.690014] [<ffffffff812048c0>] ? blkdev_get+0x2bc/0x2fd
[ 30.704620] [<ffffffff812047ca>] blkdev_get+0x1c6/0x2fd
[ 30.706161] [<ffffffff811ed4bf>] ? mntput_no_expire+0xdd/0x34d
[ 30.707903] [<ffffffff811ed75c>] ? mntput+0x2d/0x2f
[ 30.738650] [<ffffffff811d8308>] ? path_put+0x1e/0x21
[ 30.740474] [<ffffffff81204b1f>] blkdev_get_by_path+0x38/0x71
[ 30.742381] [<ffffffff811d230e>] mount_bdev+0x48/0x19f
[ 30.757122] [<ffffffff812811a7>] ? ext4_calculate_overhead+0x2bd/0x2bd
[ 30.759164] [<ffffffff8127da09>] ext4_mount+0x15/0x17
[ 30.760866] [<ffffffff811d2f39>] mount_fs+0x14/0x8c
[ 30.775089] [<ffffffff811ec988>] vfs_kern_mount+0x6c/0x13a
[ 30.776919] [<ffffffff811efb3e>] do_mount+0xa45/0xbcf
[ 30.778657] [<ffffffff8119374c>] ? strndup_user+0x3f/0x8c
[ 30.780462] [<ffffffff811efef3>] SyS_mount+0x75/0xa1
[ 30.782210] [<ffffffff81c294f2>] entry_SYSCALL_64_fastpath+0x12/0x76
[ 30.797259] ---[ end trace 7afed05606c6b402 ]---
[ 30.859656] blk_update_request: I/O error, dev fd0, sector 0
Thanks,
Kernel Test Robot
5 years
[lkp] [selinux] 5d226df4ed: -10.1% unixbench.score
by kernel test robot
FYI, we noticed the below changes on
git://git.infradead.org/users/pcmoore/selinux stable-4.5
commit 5d226df4edfa0eb1e689e7ac2741cf261ff7cbf1 ("selinux: Revalidate invalid inode security labels")
=========================================================================================
compiler/cpufreq_governor/kconfig/nr_task/rootfs/tbox_group/test/testcase:
gcc-4.9/performance/x86_64-rhel/1/debian-x86_64-2015-02-07.cgz/ivb42/pipe/unixbench
commit:
6f3be9f562e3027c77bc4482ccf2cea8600a7f74
5d226df4edfa0eb1e689e7ac2741cf261ff7cbf1
6f3be9f562e3027c 5d226df4edfa0eb1e689e7ac27
---------------- --------------------------
%stddev %change %stddev
\ | \
2086 ± 0% -10.1% 1876 ± 0% unixbench.score
7.79 ± 0% -10.2% 7.00 ± 1% time.user_time
33404 ±117% +9470.5% 3196941 ±173% latency_stats.max.wait_on_page_bit.__filemap_fdatawait_range.filemap_fdatawait_keep_errors.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath
18934 ± 34% -82.8% 3252 ± 73% latency_stats.sum.rpc_wait_bit_killable.__rpc_execute.rpc_execute.rpc_run_task.nfs4_call_sync_sequence.[nfsv4]._nfs4_proc_access.[nfsv4].nfs4_proc_access.[nfsv4].nfs_do_access.nfs_permission.__inode_permission.inode_permission.link_path_walk
57519 ±100% +5478.5% 3208706 ±172% latency_stats.sum.wait_on_page_bit.__filemap_fdatawait_range.filemap_fdatawait_keep_errors.sync_inodes_sb.sync_inodes_one_sb.iterate_supers.sys_sync.entry_SYSCALL_64_fastpath
13414 ± 33% +49.4% 20036 ± 8% numa-meminfo.node0.Active(anon)
13399 ± 33% +49.0% 19963 ± 7% numa-meminfo.node0.AnonPages
11624 ± 38% -52.7% 5495 ± 18% numa-meminfo.node1.Active(anon)
11518 ± 38% -52.6% 5457 ± 17% numa-meminfo.node1.AnonPages
1641 ± 50% -53.8% 757.75 ± 15% numa-meminfo.node1.PageTables
3353 ± 33% +49.2% 5004 ± 8% numa-vmstat.node0.nr_active_anon
3349 ± 33% +49.0% 4991 ± 7% numa-vmstat.node0.nr_anon_pages
2904 ± 38% -52.7% 1374 ± 18% numa-vmstat.node1.nr_active_anon
2878 ± 38% -52.6% 1365 ± 17% numa-vmstat.node1.nr_anon_pages
410.00 ± 50% -53.9% 189.00 ± 15% numa-vmstat.node1.nr_page_table_pages
14760 ± 2% +207.2% 45336 ± 65% numa-vmstat.node1.numa_other
ivb42: Ivytown Ivy Bridge-EP
Memory: 64G
unixbench.score
2150 ++-------------------------------------------------------------------+
| |
2100 ++ .*..*.*.. |
| .*..* *.*..*. .*.*..*.* |
*.*..*.*..* *..*.*.*..*.*..*.*. |
2050 ++ |
| |
2000 ++ |
| |
1950 ++ |
| |
O O O O O O O O O O O O O O |
1900 ++ O O O O O O O O O O O |
| O O O O
1850 ++-------------------------------------------------------------------+
[*] bisect-good sample
[O] bisect-bad sample
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.
Thanks,
Ying Huang
5 years
[lkp] [cgroup] e9a3e09d1a: WARNING: CPU: 0 PID: 17 at kernel/cgroup.c:1157 cset_cgroup_from_root+0x95/0xaf()
by kernel test robot
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux-security 2016-01-02/cgroupns
commit e9a3e09d1af60e945f45a4de6a0e69c2d793a2b5 ("cgroup: introduce cgroup namespaces")
+-----------------------------------------------------+------------+------------+
| | f2a74e2f95 | e9a3e09d1a |
+-----------------------------------------------------+------------+------------+
| boot_successes | 279 | 0 |
| boot_failures | 17 | 8 |
| WARNING:at_kernel/trace/ftrace.c:#ftrace_bug() | 13 | |
| backtrace:perf_ftrace_event_register | 13 | |
| backtrace:perf_trace_init | 13 | |
| backtrace:perf_tp_event_init | 13 | |
| backtrace:perf_try_init_event | 13 | |
| backtrace:SYSC_perf_event_open | 13 | |
| backtrace:SyS_perf_event_open | 13 | |
| invoked_oom-killer:gfp_mask=0x | 2 | |
| Mem-Info | 2 | |
| Out_of_memory:Kill_process | 2 | |
| backtrace:vfs_write | 2 | |
| backtrace:SyS_write | 2 | |
| backtrace:do_sys_open | 2 | 8 |
| backtrace:SyS_open | 2 | 8 |
| backtrace:_do_fork | 2 | 1 |
| backtrace:call_usermodehelper_exec_work | 1 | |
| backtrace:vfs_read | 2 | |
| backtrace:SyS_read | 2 | |
| backtrace:iterate_dir | 1 | |
| backtrace:SyS_getdents | 1 | |
| backtrace:SYSC_newstat | 1 | |
| backtrace:SyS_newstat | 1 | |
| BUG:kernel_test_oversize | 2 | |
| WARNING:at_kernel/cgroup.c:#cset_cgroup_from_root() | 0 | 8 |
| backtrace:disk_events_workfn | 0 | 8 |
| backtrace:do_mount | 0 | 8 |
| backtrace:SyS_mount | 0 | 8 |
| backtrace:nilfs_load_super_block | 0 | 1 |
| backtrace:init_nilfs | 0 | 2 |
| backtrace:do_group_exit | 0 | 4 |
| backtrace:SyS_exit_group | 0 | 4 |
| backtrace:floppy_work_workfn | 0 | 7 |
| backtrace:fd_timer_workfn | 0 | 7 |
| backtrace:SyS_clone | 0 | 1 |
| backtrace:floppy_shutdown | 0 | 1 |
+-----------------------------------------------------+------------+------------+
[ 19.540438] ide-cd: hdc: ATAPI 4X DVD-ROM drive, 512kB Cache
[ 19.541746] cdrom: Uniform CD-ROM driver Revision: 3.20
[ 19.563486] ------------[ cut here ]------------
[ 19.564728] WARNING: CPU: 0 PID: 17 at kernel/cgroup.c:1157 cset_cgroup_from_root+0x95/0xaf()
[ 19.585876] Modules linked in:
[ 19.586889] CPU: 0 PID: 17 Comm: kworker/0:1 Not tainted 4.4.0-rc1-00024-ge9a3e09 #58
[ 19.588876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[ 19.591039] Workqueue: events_freezable_power_ disk_events_workfn
[ 19.625617] 0000000000000000 ffff88003155b8b8 ffffffff8173d2e1 0000000000000000
[ 19.630088] ffff88003155b8f0 ffffffff810d87a1 ffffffff81154dfb ffffffff84079520
[ 19.632139] ffffffff856510a0 ffffffff856510b0 0000000000000000 ffff88003155b900
[ 19.634262] Call Trace:
[ 19.635114] [<ffffffff8173d2e1>] dump_stack+0x4b/0x63
[ 19.657228] [<ffffffff810d87a1>] warn_slowpath_common+0x99/0xb2
[ 19.658679] [<ffffffff81154dfb>] ? cset_cgroup_from_root+0x95/0xaf
[ 19.660083] [<ffffffff810d886d>] warn_slowpath_null+0x1a/0x1c
[ 19.661424] [<ffffffff81154dfb>] cset_cgroup_from_root+0x95/0xaf
[ 19.703860] [<ffffffff81154e3c>] cgroup_path_ns+0x27/0x59
[ 19.705345] [<ffffffff81154e83>] cgroup_path+0x15/0x17
[ 19.706682] [<ffffffff81735f02>] blkg_path+0x15/0x4f
[ 19.726338] [<ffffffff8173816a>] cfq_get_queue+0x287/0x305
[ 19.727740] [<ffffffff81116101>] ? lock_acquire+0x10a/0x196
[ 19.729046] [<ffffffff81116101>] ? lock_acquire+0x10a/0x196
[ 19.730345] [<ffffffff81113b31>] ? lock_acquired+0xfc/0x2cb
[ 19.731680] [<ffffffff81738244>] ? cfq_set_request+0x5c/0x29e
[ 19.755988] [<ffffffff8173831c>] cfq_set_request+0x134/0x29e
[ 19.757389] [<ffffffff81114b19>] ? mark_held_locks+0x5e/0x74
[ 19.760761] [<ffffffff82e15a03>] ? _raw_spin_unlock_irq+0x2c/0x3b
[ 19.762057] [<ffffffff81114caa>] ? trace_hardirqs_on_caller+0x17b/0x197
[ 19.763413] [<ffffffff81114cd3>] ? trace_hardirqs_on+0xd/0xf
[ 19.782666] [<ffffffff82e15a08>] ? _raw_spin_unlock_irq+0x31/0x3b
[ 19.784115] [<ffffffff81714e92>] elv_set_request+0x1c/0x21
[ 19.785386] [<ffffffff817190a5>] get_request+0x2ef/0x698
[ 19.786637] [<ffffffff8110c656>] ? add_wait_queue_exclusive+0x44/0x44
[ 19.788052] [<ffffffff817194a9>] blk_get_request+0x5b/0x7d
[ 19.822922] [<ffffffff81bf2d9c>] ide_cd_queue_pc+0x76/0x19d
[ 19.824240] [<ffffffff811155d8>] ? __lock_acquire+0x65b/0xdee
[ 19.831508] [<ffffffff81bf30a3>] cdrom_check_status+0x51/0x53
[ 19.832828] [<ffffffff81bf3d19>] ide_cdrom_check_events_real+0x20/0x3f
[ 19.834178] [<ffffffff82492e98>] cdrom_update_events+0x18/0x21
[ 19.860211] [<ffffffff82492eb3>] cdrom_check_events+0x12/0x1f
[ 19.861462] [<ffffffff81bf1dcc>] idecd_check_events+0x1c/0x1e
[ 19.862700] [<ffffffff817284fc>] disk_check_events+0x46/0x103
[ 19.863833] [<ffffffff817285d5>] disk_events_workfn+0x1c/0x1e
[ 19.864966] [<ffffffff810ee28e>] process_one_work+0x24b/0x484
[ 19.866094] [<ffffffff810ee974>] worker_thread+0x1f5/0x2a7
[ 19.883151] [<ffffffff810ee77f>] ? rescuer_thread+0x289/0x289
[ 19.884397] [<ffffffff810ee77f>] ? rescuer_thread+0x289/0x289
[ 19.885533] [<ffffffff810f37e5>] kthread+0xc5/0xcd
[ 19.886525] [<ffffffff810f3720>] ? kthread_parkme+0x24/0x24
[ 19.887616] [<ffffffff82e1671f>] ret_from_fork+0x3f/0x70
[ 19.909721] [<ffffffff810f3720>] ? kthread_parkme+0x24/0x24
[ 19.910972] ---[ end trace 8da7b69074db19dd ]---
[ 19.911945] ------------[ cut here ]------------
Thanks,
Kernel Test Robot
5 years
[lkp] [Btrfs] 13a662d164: WARNING: CPU: 3 PID: 2933 at fs/btrfs/extent-tree.c:9752 btrfs_free_block_groups+0x26f/0x3f0 [btrfs]()
by kernel test robot
FYI, we noticed the below changes on
git://internal_merge_and_test_tree revert-13a662d1648a4241f1969a595b028e32dc47b51c-82f039047282e90f2692a21271666632abe1e075
commit 13a662d1648a4241f1969a595b028e32dc47b51c ("Btrfs: warn_on for unaccounted spaces")
+---------------------------------------------------------------------+------------+------------+
| | 8443216ce3 | 13a662d164 |
+---------------------------------------------------------------------+------------+------------+
| boot_successes | 5 | 18 |
| boot_failures | 2 | 3 |
| invoked_oom-killer:gfp_mask=0x | 1 | |
| Mem-Info | 1 | |
| Out_of_memory:Kill_process | 1 | |
| backtrace:vfs_read | 1 | |
| backtrace:SyS_read | 1 | |
| backtrace:vfs_write | 1 | |
| backtrace:SyS_write | 1 | |
| backtrace:_do_fork | 1 | |
| backtrace:SyS_clone | 1 | |
| backtrace:vfs_fallocate | 1 | |
| backtrace:SyS_fallocate | 1 | |
| INFO:rcu_sched_detected_stalls_on_CPUs/tasks | 1 | |
| BUG:kernel_test_crashed | 0 | 1 |
| WARNING:at_fs/btrfs/extent-tree.c:#btrfs_free_block_groups[btrfs]() | 0 | 2 |
+---------------------------------------------------------------------+------------+------------+
<6>[ 140.931789] BTRFS: creating UUID tree
<6>[ 141.131875] BTRFS info (device sda6): qgroup scan completed (inconsistency flag cleared)
<4>[ 141.806064] ------------[ cut here ]------------
<4>[ 141.812022] WARNING: CPU: 3 PID: 2933 at fs/btrfs/extent-tree.c:9752 btrfs_free_block_groups+0x26f/0x3f0 [btrfs]()
<4>[ 141.826535] Modules linked in: loop dm_mod rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver netconsole btrfs xor raid6_pq sg sd_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ata_generic pata_acpi x86_pkg_temp_thermal coretemp kvm_intel kvm crct10dif_pclmul eeepc_wmi crc32_pclmul asus_wmi crc32c_intel sparse_keymap ghash_clmulni_intel rfkill ppdev aesni_intel snd_hda_intel snd_hda_codec snd_hda_core i915 drm_kms_helper lrw gf128mul glue_helper syscopyarea ablk_helper pata_via sysfillrect sysimgblt cryptd snd_hwdep pcspkr snd_pcm microcode serio_raw fb_sys_fops ata_piix snd_timer snd libata soundcore drm shpchp wmi parport_pc parport tpm_infineon video
<4>[ 141.894332] CPU: 3 PID: 2933 Comm: umount Not tainted 4.3.0-rc5-00148-g13a662d #1
<4>[ 141.902919] Hardware name: System manufacturer System Product Name/P8H67-M PRO, BIOS 1002 04/01/2011
<47>
[ 141.903340] systemd-journald[125]: Compressed data object 673 -> 504
<4>[ 141.920519] ffffffffa080e930 ffff88007d53fcf8 ffffffff814028b2 0000000000000000
<4>[ 141.928987] ffff88007d53fd30 ffffffff81074726 ffff8801a6902000 ffff8801a6902088
<4>[ 141.937413] ffff8801a6a04080 ffff8801a6a04000 ffff8801a6a04090 ffff88007d53fd40
<4>[ 141.945820] Call Trace:
<4>[ 141.949195] [<ffffffff814028b2>] dump_stack+0x4b/0x69
<4>[ 141.955254] [<ffffffff81074726>] warn_slowpath_common+0x86/0xc0
<4>[ 141.962155] [<ffffffff8107481a>] warn_slowpath_null+0x1a/0x20
<4>[ 141.968872] [<ffffffffa077888f>] btrfs_free_block_groups+0x26f/0x3f0 [btrfs]
<4>[ 141.976875] [<ffffffffa0789b10>] close_ctree+0x190/0x370 [btrfs]
<4>[ 141.983823] [<ffffffff811fcaba>] ? evict_inodes+0x16a/0x180
<4>[ 141.990317] [<ffffffffa075ae79>] btrfs_put_super+0x19/0x20 [btrfs]
<4>[ 141.997408] [<ffffffff811e2e1a>] generic_shutdown_super+0x6a/0x100
<4>[ 142.004491] [<ffffffff811e2ec2>] kill_anon_super+0x12/0x20
<4>[ 142.010866] [<ffffffffa075f048>] btrfs_kill_super+0x18/0x120 [btrfs]
<4>[ 142.018094] [<ffffffff811e2853>] deactivate_locked_super+0x43/0x70
<4>[ 142.025135] [<ffffffff811e28dc>] deactivate_super+0x5c/0x60
<4>[ 142.031533] [<ffffffff811ffaaf>] cleanup_mnt+0x3f/0x90
<4>[ 142.037484] [<ffffffff811ffb42>] __cleanup_mnt+0x12/0x20
<4>[ 142.043596] [<ffffffff81091466>] task_work_run+0x76/0xb0
<4>[ 142.049712] [<ffffffff81003b07>] prepare_exit_to_usermode+0xc7/0x110
<4>[ 142.056844] [<ffffffff81003ba5>] syscall_return_slowpath+0x55/0x160
<4>[ 142.063895] [<ffffffff818ae28c>] int_ret_from_sys_call+0x25/0x8f
<4>[ 142.070673] ---[ end trace 171ab39315b5f6b5 ]---
<6>[ 142.075982] BTRFS: space_info 1 has 3080192 free, is not full
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Ying Huang
5 years
[lkp] [x86] 6c864258bd: turbostat.RAMWatt
by kernel test robot
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost
commit 6c864258bdfb50aacf0ac1147989f76772070c2a ("x86: faster smp_store_mb")
As below, the "usemem" should be run for 72 times, but test is
terminated with SIGTERM after 50 times.
2016-01-03 19:45:31 mount -t tmpfs -o size=100% vm-scalability-tmp /tmp/vm-scalability-tmp
2016-01-03 19:45:31 truncate -s 135083753472 /tmp/vm-scalability-tmp/vm-scalability.img
2016-01-03 19:45:31 mkfs.xfs -q /tmp/vm-scalability-tmp/vm-scalability.img
2016-01-03 19:45:31 mount -o loop /tmp/vm-scalability-tmp/vm-scalability.img /tmp/vm-scalability-tmp/vm-scalability
repeat count: 1
2016-01-03 19:45:31 ./case-shm-pread-seq
2016-01-03 19:45:31 truncate /tmp/vm-scalability-tmp/sparse-shm-pread-seq -s 135083753472
2016-01-03 19:45:31 ./usemem --runtime 300 -n 72 -f /tmp/vm-scalability-tmp/sparse-shm-pread-seq --readonly 67541876736
75984611328 bytes / 120353120 usecs = 616550 KB/s
75984611328 bytes / 120353167 usecs = 616549 KB/s
75984611328 bytes / 120353136 usecs = 616549 KB/s
75984611328 bytes / 120353194 usecs = 616549 KB/s
75984611328 bytes / 120353198 usecs = 616549 KB/s
75984611328 bytes / 120353138 usecs = 616549 KB/s
75984611328 bytes / 120353214 usecs = 616549 KB/s
75984611328 bytes / 120353207 usecs = 616549 KB/s
75984611328 bytes / 120353220 usecs = 616549 KB/s
75984611328 bytes / 120353202 usecs = 616549 KB/s
75984611328 bytes / 120353213 usecs = 616549 KB/s
75984611328 bytes / 120353139 usecs = 616549 KB/s
75984611328 bytes / 120353193 usecs = 616549 KB/s
75984611328 bytes / 120353211 usecs = 616549 KB/s
75984611328 bytes / 120353214 usecs = 616549 KB/s
75984611328 bytes / 120353217 usecs = 616549 KB/s
75984611328 bytes / 120353213 usecs = 616549 KB/s
75984611328 bytes / 120353224 usecs = 616549 KB/s
75984611328 bytes / 120353202 usecs = 616549 KB/s
75984611328 bytes / 120353202 usecs = 616549 KB/s
75984611328 bytes / 120353210 usecs = 616549 KB/s
75984611328 bytes / 120353204 usecs = 616549 KB/s
75984611328 bytes / 120353214 usecs = 616549 KB/s
75984611328 bytes / 120353200 usecs = 616549 KB/s
75984611328 bytes / 120353203 usecs = 616549 KB/s
75984611328 bytes / 120353197 usecs = 616549 KB/s
75984611328 bytes / 120353198 usecs = 616549 KB/s
75984611328 bytes / 120353190 usecs = 616549 KB/s
75984611328 bytes / 120353208 usecs = 616549 KB/s
75984611328 bytes / 120353216 usecs = 616549 KB/s
75984611328 bytes / 120353187 usecs = 616549 KB/s
75984611328 bytes / 120353190 usecs = 616549 KB/s
75984611328 bytes / 120353201 usecs = 616549 KB/s
75984611328 bytes / 120353217 usecs = 616549 KB/s
75984611328 bytes / 120353202 usecs = 616549 KB/s
75984611328 bytes / 120353200 usecs = 616549 KB/s
75984611328 bytes / 120353199 usecs = 616549 KB/s
75984611328 bytes / 120353205 usecs = 616549 KB/s
75984611328 bytes / 120353217 usecs = 616549 KB/s
75984611328 bytes / 120353196 usecs = 616549 KB/s
75984611328 bytes / 120353201 usecs = 616549 KB/s
75984611328 bytes / 120353199 usecs = 616549 KB/s
75984611328 bytes / 120353155 usecs = 616549 KB/s
75984611328 bytes / 120353211 usecs = 616549 KB/s
75984611328 bytes / 120353184 usecs = 616549 KB/s
75984611328 bytes / 120353197 usecs = 616549 KB/s
75984611328 bytes / 120353196 usecs = 616549 KB/s
75984611328 bytes / 120353215 usecs = 616549 KB/s
75984611328 bytes / 120353143 usecs = 616549 KB/s
75984611328 bytes / 120353152 usecs = 616549 KB/s
Terminated
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Ying Huang
5 years
[lkp] [f2fs] 75cd4e098d: xfstests.generic.042.fail
by kernel test robot
FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 75cd4e098d178433436abce08146a21647bb4585 ("f2fs: support FALLOC_FL_ZERO_RANGE")
We found after your commit, the xfstests test case 009/042 failed.
=========================================================================================
compiler/disk/fs/kconfig/rootfs/tbox_group/test/testcase:
gcc-4.9/4HDD/f2fs/x86_64-rhel/debian-x86_64-2015-02-07.cgz/vm-kbuild-4G/generic-quick/xfstests
commit:
b4ace33703243fed56f8bfc80a001533acb9decb
75cd4e098d178433436abce08146a21647bb4585
b4ace33703243fed 75cd4e098d178433436abce081
---------------- --------------------------
fail:runs %reproduction fail:runs
| | |
:18 94% 17:18 xfstests.generic.009.fail
:18 94% 17:18 xfstests.generic.042.fail
To reproduce:
git clone git://git.kernel.org/pub/scm/linux/kernel/git/wfg/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp run job.yaml
Thanks,
Ying Huang
5 years