Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
kemi/lock_page/before_tim
commit 741b3aefca11b8fd1f32fdebcbea82814ad2b923
Author: Kemi Wang <kemi.wang(a)intel.com>
AuthorDate: Wed Aug 29 15:21:26 2018 +0800
Commit: Kemi Wang <kemi.wang(a)intel.com>
CommitDate: Wed Aug 29 17:49:18 2018 +0800
try double lock
Signed-off-by: Kemi Wang <kemi.wang(a)intel.com>
46c1e79fee Merge branch 'perf-urgent-for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
741b3aefca try double lock
+------------------------------------------------+------------+------------+
| | 46c1e79fee | 741b3aefca |
+------------------------------------------------+------------+------------+
| boot_successes | 0 | 0 |
| boot_failures | 121 | 42 |
| genirq:Flags_mismatch_irq##(ttyS0)vs.#(sir_ir) | 121 | 42 |
| INFO:rcu_sched_self-detected_stall_on_CPU | 10 | 1 |
| RIP:__do_softirq | 9 | 1 |
| RIP:io_serial_in | 4 | |
| RIP:_raw_spin_unlock_irqrestore | 5 | 1 |
| INFO:rcu_sched_detected_stalls_on_CPUs/tasks | 2 | |
| RIP:io_serial_out | 2 | |
| RIP:mutex_spin_on_owner | 1 | |
| BUG:spinlock_bad_magic_on_CPU | 0 | 21 |
| RIP:__put_user_4 | 0 | 1 |
| RIP:__clear_user | 0 | 1 |
+------------------------------------------------+------------+------------+
[ 28.723506] #0: Dummy 1
[ 28.723837] #1: Loopback 1
[ 28.724224] #2: Virtual MIDI Card 1
[ 28.724675] #3: MTPAV on parallel port at 0x378
[ 28.725277] #4: Internal PC-Speaker at port 0x61
[ 28.726267] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir)
[ 28.727345] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.13.0-11812-g741b3ae #1
[ 28.728275] sir_ir sir_ir.0: Trapped in interrupt
[ 28.728944] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1
04/01/2014
[ 28.729956] Call Trace:
[ 28.730280] dump_stack+0x63/0x87
[ 28.730686] __setup_irq+0x652/0x680
[ 28.731144] request_threaded_irq+0xf2/0x190
[ 28.731662] univ8250_setup_irq+0x262/0x2a0
[ 28.732208] serial8250_do_startup+0x1a4/0x720
[ 28.732741] serial8250_startup+0x1b/0x20
[ 28.733253] uart_startup+0x7b/0x180
[ 28.733769] uart_port_activate+0x88/0xa0
[ 28.734277] tty_port_open+0x84/0xd0
[ 28.734710] uart_open+0x3b/0x50
[ 28.735128] tty_open+0xe6/0x3d0
[ 28.735522] chrdev_open+0x7b/0x180
[ 28.735953] ? exact_lock+0x20/0x20
[ 28.736397] do_dentry_open+0x1b9/0x2c0
[ 28.736952] vfs_open+0x4a/0x70
[ 28.737356] path_openat+0x197/0xac0
[ 28.737790] do_filp_open+0x8a/0xf0
[ 28.738238] ? _raw_spin_unlock+0x27/0x40
[ 28.738726] ? __alloc_fd+0xb1/0x170
[ 28.739181] do_sys_open+0x11a/0x1f0
[ 28.739618] ? do_sys_open+0x11a/0x1f0
[ 28.740110] SyS_open+0x1e/0x20
[ 28.740493] kernel_init_freeable+0x1d2/0x23f
[ 28.741047] ? rest_init+0x140/0x140
[ 28.741482] kernel_init+0xe/0x100
[ 28.741904] ret_from_fork+0x25/0x30
[ 28.743874] sir_ir sir_ir.0: Trapped in interrupt
[ 28.747842] Freeing unused kernel memory: 1964K
[ 28.748470] Write protecting the kernel read-only data: 32768k
[ 28.750211] Freeing unused kernel memory: 1068K
[ 28.751903] Freeing unused kernel memory: 416K
[ 28.773706] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir)
[ 28.775175] CPU: 1 PID: 172 Comm: init Not tainted 4.13.0-11812-g741b3ae #1
[ 28.776435] sir_ir sir_ir.0: Trapped in interrupt
[ 28.777318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1
04/01/2014
[ 28.778697] Call Trace:
[ 28.779129] dump_stack+0x63/0x87
[ 28.779689] __setup_irq+0x652/0x680
[ 28.780298] request_threaded_irq+0xf2/0x190
[ 28.781024] univ8250_setup_irq+0x262/0x2a0
[ 28.781725] serial8250_do_startup+0x1a4/0x720
[ 28.782544] serial8250_startup+0x1b/0x20
[ 28.783282] uart_startup+0x7b/0x180
[ 28.784064] uart_port_activate+0x88/0xa0
[ 28.784794] tty_port_open+0x84/0xd0
[ 28.785457] uart_open+0x3b/0x50
[ 28.786065] tty_open+0xe6/0x3d0
[ 28.786659] chrdev_open+0x7b/0x180
[ 28.787310] ? exact_lock+0x20/0x20
[ 28.787953] do_dentry_open+0x1b9/0x2c0
[ 28.788772] vfs_open+0x4a/0x70
[ 28.789354] path_openat+0x197/0xac0
[ 28.790013] do_filp_open+0x8a/0xf0
[ 28.790652] do_sys_open+0x11a/0x1f0
[ 28.791310] ? do_sys_open+0x11a/0x1f0
[ 28.792004] SyS_open+0x1e/0x20
[ 28.792578] entry_SYSCALL_64_fastpath+0x1a/0xaa
[ 28.793417] RIP: 0033:0x7f94e7cd7570
[ 28.794075] RSP: 002b:00007ffcda1a43d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[ 28.795426] RAX: ffffffffffffffda RBX: 000055a18dac4130 RCX: 00007f94e7cd7570
[ 28.796699] RDX: 000055a18dabf5f0 RSI: 0000000000000102 RDI: 000055a18d8aada5
[ 28.797979] RBP: 000055a18daed280 R08: 00007f94e7ee0260 R09: 00007f94e8765700
[ 28.799254] R10: 00007f94e87659d0 R11: 0000000000000246 R12: 0000000000000008
[ 28.800529] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 28.802923] sir_ir sir_ir.0: Trapped in interrupt
[ 28.853122] init: Failed to create pty - disabling logging for job
[ 28.854103] init: Temporary process spawn error: No such file or directory
# HH:MM RESULT GOOD BAD
GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start 2e8ac60b7c24f7cb3c7c49402a9580fe1580be06
5b394b2ddf0347bef56e50c69a58773c94343ff3 --
git bisect bad 070a379c434821294e76c4c6e431426525f44013 # 21:39 B 2 1 2 2
Merge 'ragnatech/upstream/mmc/next' into devel-catchup-201808291910
git bisect bad c70eec9967571d9b618baa8ab561347a06fb8e35 # 21:50 B 0 1 15 0
Merge 'chanwoo/v4.x/samsung-exynos-tm2-test' into devel-catchup-201808291910
git bisect good 594cb1968ee359b0fc487a6dbd1cf49e15050f80 # 22:08 G 40 0 0 0
Merge
'linux-review/Rob-Herring/sound-Convert-to-using-pOFn-instead-of-device_node-name/20180829-182037'
into devel-catchup-201808291910
git bisect good 1039cc3a057cf3b85911dc877b5ec6d6fb2aaca6 # 22:22 G 40 0 0 0
Merge 'wsa/renesas/wdt-suppress-attr' into devel-catchup-201808291910
git bisect good 7f0a287115b47ef225dab34fcd3676266e74f959 # 22:39 G 40 0 0 0
Merge
'linux-review/UPDATE-20180829-175105/Pierre-Louis-Bossart/ASoC-wm8804-Add-ACPI-support/20180823-213447'
into devel-catchup-201808291910
git bisect bad ca2756ee2e50653c1adf5ec925fa61294b0bf6b7 # 22:50 B 3 4 2 2
Merge 'kemi/lock_page/before_tim' into devel-catchup-201808291910
git bisect bad 741b3aefca11b8fd1f32fdebcbea82814ad2b923 # 23:05 B 2 3 2 2
try double lock
# first bad commit: [741b3aefca11b8fd1f32fdebcbea82814ad2b923] try double lock
git bisect good 46c1e79fee417f151547aa46fae04ab06cb666f4 # 23:19 G 118 0 118 118
Merge branch 'perf-urgent-for-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
# extra tests with debug options
git bisect bad 741b3aefca11b8fd1f32fdebcbea82814ad2b923 # 23:52 B 0 1 15 0
try double lock
# extra tests on HEAD of linux-devel/devel-catchup-201808291910
git bisect bad 2e8ac60b7c24f7cb3c7c49402a9580fe1580be06 # 23:52 B 10 7 0 5
0day head guard for 'devel-catchup-201808291910'
# extra tests on tree/branch kemi/lock_page/before_tim
git bisect bad 741b3aefca11b8fd1f32fdebcbea82814ad2b923 # 00:10 B 0 12 56 30
try double lock
# extra tests with first bad commit reverted
git bisect good dc282ec7f8be78a4f4761d8f9c7eb33b6a6b05f1 # 00:36 G 39 0 39 40
Revert "try double lock"
---
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