Greetings, 0day kernel testing robot got the below dmesg and the first bad commit is git://internal_merge_and_test_tree devel-hourly-2016062802 commit 2ce9ee17e8299d0d9dcf2690d43d1ba8210190d4 Merge: 2d69cc6 03199c0 Author: 0day robot <fengguang.wu(a)intel.com&gt; AuthorDate: Tue Jun 28 02:53:03 2016 +0800 Commit: 0day robot <fengguang.wu(a)intel.com&gt; CommitDate: Tue Jun 28 02:53:03 2016 +0800 Merge 'rdmavt/for-4.7_20160622-1' into devel-hourly-2016062802 +---------------------------------------------------+------------+------------+------------+-----------------+ | | 2d69cc65f8 | 03199c0f76 | 2ce9ee17e8 | v4.7-rc5_062802 | +---------------------------------------------------+------------+------------+------------+-----------------+ | boot_successes | 174 | 172 | 31 | 12 | | boot_failures | 4 | 2 | 17 | 9 | | BUG:kernel_test_crashed | 2 | 2 | | | | IP-Config:Auto-configuration_of_network_failed | 2 | 0 | 4 | 2 | | general_protection_fault:#[##]SMP_DEBUG_PAGEALLOC | 0 | 0 | 13 | 7 | | RIP:init_real_cpu_mask | 0 | 0 | 13 | 7 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 0 | 13 | 7 | | backtrace:init_real_cpu_mask | 0 | 0 | 13 | 7 | | backtrace:node_affinity_init | 0 | 0 | 13 | 7 | | backtrace:hfi1_mod_init | 0 | 0 | 13 | 7 | | backtrace:kernel_init_freeable | 0 | 0 | 13 | 7 | +---------------------------------------------------+------------+------------+------------+-----------------+ [ 6.927839] leds_ss4200: no LED devices found [ 6.938011] iw_cm: couldn't register sysctl paths [ 6.939073] rdma_ucm: couldn't register sysctl paths [ 6.940360] general protection fault: 0000 [#1] SMP DEBUG_PAGEALLOC [ 6.941085] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.7.0-rc5-04824-g2ce9ee1 #1 [ 6.942195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 6.942996] task: ffff880010d3c000 ti: ffff880010d60000 task.ti: ffff880010d60000 [ 6.943665] RIP: 0010:[<ffffffff817fda71>] [<ffffffff817fda71>] init_real_cpu_mask+0x51/0xf0 [ 6.944455] RSP: 0000:ffff880010d63e40 EFLAGS: 00010246 [ 6.944937] RAX: 0000ffff00000001 RBX: 0000000000000002 RCX: 0000000000000000 [ 6.945570] RDX: 0000000000000040 RSI: 0000000000000040 RDI: ffffffff823342b8 [ 6.946210] RBP: ffff880010d63e68 R08: 0000000000000000 R09: ffff8800000002b0 [ 6.946851] R10: ffff880003f052b0 R11: 0000000000000067 R12: 000000000000a018 [ 6.947488] R13: 0000000000000002 R14: ffffffff823d27d0 R15: ffff880011017ed8 [ 6.948131] FS: 0000000000000000(0000) GS:ffff880011000000(0000) knlGS:0000000000000000 [ 6.948862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.949375] CR2: 00000000ffffffff CR3: 0000000002206000 CR4: 00000000000006f0 [ 6.950021] Stack: [ 6.950212] 000000000000a018 00000000ffffffff 0000000000000000 ffffffff823d27d0 [ 6.950931] ffff880011017ed8 ffff880010d63e80 ffffffff817fdb8f 0000000000000000 [ 6.951638] ffff880010d63e98 ffffffff82425c74 ffffffff82425c5b ffff880010d63f08 [ 6.952368] Call Trace: [ 6.952600] [<ffffffff823d27d0>] ? do_early_param+0x8f/0x8f [ 6.953328] [<ffffffff817fdb8f>] node_affinity_init+0x7f/0xf0 [ 6.954184] [<ffffffff82425c74>] hfi1_mod_init+0x19/0x1cb [ 6.954677] [<ffffffff82425c5b>] ? dev_init+0x101/0x101 [ 6.955165] [<ffffffff823d3080>] do_one_initcall+0x8b/0x11f [ 6.955674] [<ffffffff823d27d0>] ? do_early_param+0x8f/0x8f [ 6.956187] [<ffffffff823d3221>] kernel_init_freeable+0x10d/0x19c [ 6.956742] [<ffffffff81b93aee>] kernel_init+0xe/0xf0 [ 6.957213] [<ffffffff81ba454f>] ret_from_fork+0x1f/0x40 [ 6.957700] [<ffffffff81b93ae0>] ? rest_init+0xd0/0xd0 [ 6.958174] Code: 48 89 3d 63 68 b3 00 48 c7 c7 b0 42 33 82 89 c3 49 c7 c4 18 a0 00 00 e8 7e 0a af ff 89 c0 be 40 00 00 00 48 8b 04 c5 60 b1 3a 82 <4a> 8b 3c 20 e8 66 e1 b1 ff 48 c7 c7 b0 42 33 82 49 89 c4 e8 57 [ 6.960687] RIP [<ffffffff817fda71>] init_real_cpu_mask+0x51/0xf0 [ 6.961266] RSP <ffff880010d63e40> [ 6.961626] ---[ end trace 8b82db9bbf27a1c7 ]--- [ 6.962084] Kernel panic - not syncing: Fatal exception git bisect start 0131d4d8e247a72b4762d01424d8dc55d82d3b23 4c2e07c6a29e0129e975727b9f57eede813eea85 -- git bisect bad 80f41e92bfa5b366c9e2f80c8fa3a8a64c63d5aa # 05:46 0- 9 Merge 'ak/perf/intel-json-files-7' into devel-hourly-2016062802 git bisect good 1d9a6fe47c0590923946b9f01a3ac50951ecc73f # 05:52 44+ 2 Merge 'linux-review/Lidza-Louina/staging-lustre-lnet-changes-value-to-correct-type-for-assignment/20160624-025846' into devel-hourly-2016062802 git bisect bad 98bee313991935399dc459dacd5791b5b721149c # 05:58 0- 6 Merge 'power-supply/fixes' into devel-hourly-2016062802 git bisect good 24c0728f76d4de0d60fa8261820df15176db255d # 06:04 40+ 2 Merge 'linux-review/Lv-Zheng/ACPI-gpe-Add-GPE-masking-unmasking-mechanism/20160623-142315' into devel-hourly-2016062802 git bisect bad 543a8fdd46cfe3b87aacb48ac485755120dfcd04 # 06:09 0- 44 Merge 'linux-review/Christian-Zigotzky/Kernel-4-7-PAGE_GUARDED-and-_PAGE_NO_CACHE/20160623-031222' into devel-hourly-2016062802 git bisect good 0148447788eec404aee2ffc0929136720747364f # 06:16 44+ 0 Merge 'linux-review/Manjeet-Pawar/arm-swiotlb-keep-disabled-in-default-configuration/20160623-203144' into devel-hourly-2016062802 git bisect bad 9b27fd4b18dbe1e548928b147c183676fcffd9bf # 06:21 0- 24 Merge 'linux-review/Olga-Kornievskaia/Fix-SETATTR-DELEGRETURN-race/20160623-041942' into devel-hourly-2016062802 git bisect bad 2ce9ee17e8299d0d9dcf2690d43d1ba8210190d4 # 06:25 0- 13 Merge 'rdmavt/for-4.7_20160622-1' into devel-hourly-2016062802 git bisect good 1bab426acadefaaca3b2188a88f1f62a8724c2d1 # 06:31 42+ 0 Merge 'linux-review/Stuart-Yoder/staging-fsl-mc-module-loading-support-fixes-and-cleanup/20160623-060642' into devel-hourly-2016062802 git bisect good 2d69cc65f825ef51ae6e12dd80f2cf05a33d9668 # 06:43 43+ 2 Merge 'thunderbolt/networking' into devel-hourly-2016062802 git bisect good 289d869e11a2b5a26c0032527a379a9a3650e18b # 06:56 42+ 0 IB/hfi1: Don't zero out qp->s_ack_queue in rvt_reset_qp git bisect good 8ae7829d3091590ee07dfe77490450a5ff9c92e4 # 07:09 44+ 0 IB/hfi1: Fix trace sparse errors git bisect good 577ee9caf7e1d492f876ef335186305d1dda79e9 # 07:25 41+ 0 IB/hfi1: Add global structure for affinity assignments git bisect good 03199c0f76639e24c6d4183646610ec0073cb154 # 07:34 44+ 1 IB/hfi1: Refine user process affinity algorithm # first bad commit: [2ce9ee17e8299d0d9dcf2690d43d1ba8210190d4] Merge 'rdmavt/for-4.7_20160622-1' into devel-hourly-2016062802 git bisect good 2d69cc65f825ef51ae6e12dd80f2cf05a33d9668 # 07:39 130+ 4 Merge 'thunderbolt/networking' into devel-hourly-2016062802 git bisect good 03199c0f76639e24c6d4183646610ec0073cb154 # 07:47 128+ 2 IB/hfi1: Refine user process affinity algorithm # extra tests with CONFIG_DEBUG_INFO_REDUCED git bisect bad 2ce9ee17e8299d0d9dcf2690d43d1ba8210190d4 # 07:53 0- 5 Merge 'rdmavt/for-4.7_20160622-1' into devel-hourly-2016062802 # extra tests on HEAD of linux-devel/devel-hourly-2016062802 git bisect bad 0131d4d8e247a72b4762d01424d8dc55d82d3b23 # 07:53 0- 9 0day head guard for 'devel-hourly-2016062802' # extra tests on tree/branch linux-devel/devel-hourly-2016062802 git bisect bad 0131d4d8e247a72b4762d01424d8dc55d82d3b23 # 07:56 0- 9 0day head guard for 'devel-hourly-2016062802' # extra tests on tree/branch linus/master git bisect good 99b0f54e6a3a4012aacfaada5644a8e520447d80 # 08:14 122+ 6 Merge tag 'drm-fixes-for-v4.7-rc6' of git://people.freedesktop.org/~airlied/linux # extra tests on tree/branch linux-next/master git bisect good d936b5e461b9545fa9a8a3357a40eea17aea5e28 # 08:24 123+ 3 Add linux-next specific files for 20160701 This script may reproduce the error. ---------------------------------------------------------------------------- #!/bin/bash kernel=$1 initrd=quantal-core-x86_64.cgz wget --no-clobber https://github.com/fengguang/reproduce-kernel-bug/raw/master/initrd/$initrd kvm=( qemu-system-x86_64 -enable-kvm -cpu kvm64 -kernel $kernel -initrd $initrd -m 300 -smp 2 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -serial stdio -display none -monitor null ) append=( hung_task_panic=1 earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal root=/dev/ram0 rw drbd.minor_count=8 ) "${kvm[@]}" --append "${append[*]}" ---------------------------------------------------------------------------- --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/lkp Intel Corporation