Greetings, 0day kernel testing robot got the below dmesg and the first bad commit is https://github.com/jpoimboe/linux objtool-dwarf commit 86e039619e0ef9331f1d3a038ac9569fab4643af Author: Josh Poimboeuf <jpoimboe(a)redhat.com&gt; AuthorDate: Mon Jul 27 22:29:27 2015 -0500 Commit: Josh Poimboeuf <jpoimboe(a)redhat.com&gt; CommitDate: Thu Dec 1 14:48:18 2016 -0600 objtool: dwarf validation +-------------------------------------------+------------+-----------------+ | | 86e039619e | v4.9-rc8_120608 | +-------------------------------------------+------------+-----------------+ | boot_successes | 19 | 5 | | boot_failures | 10 | 18 | | BUG:unable_to_handle_kernel | 10 | 18 | | Oops | 10 | 18 | | RIP:sha1_transform_ssse3 | 3 | 5 | | Kernel_panic-not_syncing:Fatal_exception | 10 | 18 | | RIP:sha1_transform_avx | 7 | 13 | | WARNING:at_mm/slab_common.c:#kmalloc_slab | 0 | 4 | | calltrace:gcov_module_notifier | 0 | 2 | | calltrace:SyS_finit_module | 0 | 2 | +-------------------------------------------+------------+-----------------+ [ 5.910758] Btrfs loaded, crc32c=crc32c-intel, integrity-checker=on [ 5.925607] Key type encrypted registered [ 5.926576] ima: No TPM chip found, activating TPM-bypass! [ 5.927763] BUG: unable to handle kernel paging request at 00000000a29a7092 [ 5.929332] IP: [<ffffffff810ab02a>] sha1_transform_avx+0xbaa/0xbad [ 5.930760] PGD 0 [ 5.931446] Oops: 0000 [#1] PREEMPT [ 5.932264] Modules linked in: [ 5.933111] CPU: 0 PID: 1 Comm: swapper Not tainted 4.8.0-rc7-00043-g86e0396 #1 [ 5.934693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 5.936651] task: ffff88001e884040 task.stack: ffff88001e888000 [ 5.937990] RIP: 0010:[<ffffffff810ab02a>] [<ffffffff810ab02a>] sha1_transform_avx+0xbaa/0xbad [ 5.940092] RSP: 0000:ffff88001e88ba70 EFLAGS: 00010246 [ 5.941318] RAX: 0000000000000000 RBX: 000000003280d408 RCX: 0000000000000000 [ 5.943019] RDX: 00000000e65db7ef RSI: 00000000b79de0d7 RDI: ffff88001e88bab0 [ 5.944553] RBP: 00000000a29a7092 R08: ffffffff81e11900 R09: ffff88001e88bb78 [ 5.946081] R10: ffffffff81e11900 R11: ffff88001e88bbd8 R12: ffff88001e88bb98 [ 5.947690] R13: ffff88001e88bb78 R14: ffffffff810aa480 R15: ffff88001e88bb68 [ 5.949224] FS: 0000000000000000(0000) GS:ffffffff82668000(0000) knlGS:0000000000000000 [ 5.950999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5.952184] CR2: 00000000a29a7092 CR3: 000000000260c000 CR4: 00000000001406b0 [ 5.953637] Stack: [ 5.954230] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 5.956231] 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 5.958241] ffff88001e88bb08 0000000000000000 ffffffff810ab20d ffffffff810ab39c [ 5.960242] Call Trace: [ 5.960896] [<ffffffff810ab20d>] ? sha1_finup+0x1a6/0x1f5 [ 5.962030] [<ffffffff810ab39c>] ? sha1_update+0x40/0x155 [ 5.963348] [<ffffffff810ab2f3>] ? sha1_avx_finup+0x17/0x20 git bisect start 2ce9702c4a67c4c2f40406858b20bee9cb22b03d 3e5de27e940d00d8d504dfb96625fb654f641509 -- git bisect bad 4dec5c15d6ca8cb7e94ae84be87450a70f084ddd # 14:47 0- 3 Merge 'kbuild/for-next' into devel-hourly-2016120608 git bisect bad e1a6ffa790106f135e5e6409954fb1a9fdcb3459 # 14:58 0- 8 Merge 'linux-review/Manasi-Navare/drm-i915-Calculate-common-rates-and-max-lane-count-in-Long-pulse-handler/20161203-223018' into devel-hourly-2016120608 git bisect bad 1c40464367380ce1e248c57b07c719d2d03d3682 # 15:31 0- 8 Merge 'jolsa-perf/perf/fd_2' into devel-hourly-2016120608 git bisect bad 150df1ce5e73327e609d571e4ffa4d97eda91a8b # 15:49 0- 10 Merge 'cdall/timer-optimize' into devel-hourly-2016120608 git bisect bad 7d4ba5571aed8af83bfd43298281f985c8a6d67d # 16:10 0- 12 Merge 'linux-review/Florian-Fainelli/net-ep93xx_eth-Do-not-crash-unloading-module/20161205-112941' into devel-hourly-2016120608 git bisect good 21d6df293f4cb638fa5c1ee338bc6ed1d66a8fb3 # 16:24 25+ 18 Merge 'linux-review/Balbir-Singh/powerpc-oops-Provide-disassembly-on-OOPS/20161205-141314' into devel-hourly-2016120608 git bisect bad d0cfbad96deb4316ca5833da01cf51820b02778b # 16:43 0- 15 Merge 'linux-review/Thomas-Graf/bpf-add-additional-verifier-tests-for-BPF_PROG_TYPE_LWT_/20161205-204133' into devel-hourly-2016120608 git bisect bad 329bbf0f0c8b61f76eee87040f4af9288faa9c7b # 16:57 1- 7 Merge 'linux-review/Pan-Bian/mtd-ubi-fix-improper-return-value/20161205-113233' into devel-hourly-2016120608 git bisect good 8d2f1fb6788cf3b5b4c4d70b2b291a13d3971108 # 17:17 25+ 3 Merge 'linux-review/cuilifei/fuse-freezing-abort-when-use-wait_event_killable-_exclusive/20161205-114541' into devel-hourly-2016120608 git bisect bad e70964f17d1c98db306f663ec0ecdc928c50f99e # 18:13 1- 5 Merge 'jpoimboe/objtool-dwarf' into devel-hourly-2016120608 git bisect bad 35b6744ba53a54d314be0dddafec951747494d83 # 18:27 0- 7 objtool fix bytes check git bisect bad 86e039619e0ef9331f1d3a038ac9569fab4643af # 18:38 0- 8 objtool: dwarf validation # first bad commit: [86e039619e0ef9331f1d3a038ac9569fab4643af] objtool: dwarf validation # extra tests with CONFIG_DEBUG_INFO_REDUCED git bisect bad 86e039619e0ef9331f1d3a038ac9569fab4643af # 19:16 0- 38 objtool: dwarf validation # extra tests on HEAD of linux-devel/devel-hourly-2016120608 git bisect bad 2ce9702c4a67c4c2f40406858b20bee9cb22b03d # 19:16 0- 18 0day head guard for 'devel-hourly-2016120608' # extra tests on tree/branch jpoimboe/objtool-dwarf git bisect bad 35b6744ba53a54d314be0dddafec951747494d83 # 19:17 0- 9 objtool fix bytes check # extra tests on tree/branch linus/master git bisect good d9d04527c79f0f7d9186272866526e871ef4ac6f # 19:38 75+ 33 Merge tag 'powerpc-4.9-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux # extra tests on tree/branch linux-next/master git bisect good cef87e91155479753a3052e95d0aa2fdf8d46dc0 # 19:52 75+ 46 Add linux-next specific files for 20161205 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/lkp Intel Corporation