Greetings, 0day kernel testing robot got the below dmesg and the first bad commit is git://git.infradead.org/users/willy/linux-dax.git xarray-2017-11-20 commit 7080e2ebd022e0cb60461bb15b022df428da9833 Author: Matthew Wilcox AuthorDate: Tue Nov 21 09:17:59 2017 -0500 Commit: Matthew Wilcox CommitDate: Tue Nov 21 16:58:29 2017 -0500 page cache: Convert page_cache_tree_delete to xarray The code is slightly shorter and simpler. Signed-off-by: Matthew Wilcox 894a09a779 page cache: Use xarray for adding pages 7080e2ebd0 page cache: Convert page_cache_tree_delete to xarray b764b42607 net: Redesign act_api use of IDR +------------------------------------------+------------+------------+------------+ | | 894a09a779 | 7080e2ebd0 | b764b42607 | +------------------------------------------+------------+------------+------------+ | boot_successes | 38 | 4 | 8 | | boot_failures | 0 | 14 | 22 | | WARNING:at_mm/shmem.c:#shmem_evict_inode | 0 | 12 | 19 | | RIP:shmem_evict_inode | 0 | 14 | 22 | | kernel_BUG_at_fs/inode.c | 0 | 14 | 22 | | invalid_opcode:#[##] | 0 | 14 | 22 | | RIP:clear_inode | 0 | 14 | 22 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 14 | 22 | +------------------------------------------+------------+------------+------------+ udevd[208]: failed to execute '/sbin/modprobe' '/sbin/modprobe -bv acpi:LNXSYBUS:': No such file or directory [ 2.058050] init: Temporary process spawn error: No such file or directory udevd[229]: failed to execute '/sbin/modprobe' '/sbin/modprobe -bv platform:pcspkr': No such file or directory udevd[230]: failed to execute '/sbin/modprobe' '/sbin/modprobe -bv platform:gpio-mockup': No such file or directory udevd[211]: failed to execute '/sbin/modprobe' '/sbin/modprobe -bv acpi:PNP0103:': No such file or directory [ 2.073479] WARNING: CPU: 1 PID: 171 at mm/shmem.c:1084 shmem_evict_inode+0x15b/0x190 [ 2.073480] Modules linked in: [ 2.073484] CPU: 1 PID: 171 Comm: udevd Not tainted 4.14.0-13033-g7080e2e #1 [ 2.073485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 2.073486] task: ffff88000b158000 task.stack: ffffc90000354000 [ 2.073488] RIP: 0010:shmem_evict_inode+0x15b/0x190 [ 2.073489] RSP: 0018:ffffc90000357e10 EFLAGS: 00010202 [ 2.073491] RAX: ffff88001ec52c30 RBX: ffff88001ec52c50 RCX: 0000000000000017 [ 2.073491] RDX: 000000002b18a378 RSI: 000000002b18a378 RDI: 000000005a15916c [ 2.073492] RBP: ffff88001ec52c50 R08: ffffc90000357cc8 R09: ffff88001e8f2000 [ 2.073493] R10: ffff88000c650480 R11: 0000000000000000 R12: ffff88001ec52c50 [ 2.073494] R13: ffff88001ec52c68 R14: ffff88001f290a80 R15: ffff88000c593898 [ 2.073496] FS: 00007f26337ea7c0(0000) GS:ffff880011f00000(0000) knlGS:0000000000000000 [ 2.073496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.073497] CR2: 00007f26337ef000 CR3: 000000001f3d6000 CR4: 00000000000006e0 [ 2.073501] Call Trace: [ 2.074078] evict+0xc5/0x1d0 [ 2.074083] __dentry_kill+0xc7/0x180 [ 2.074085] dput+0x183/0x270 [ 2.074088] SyS_rename+0x277/0x390 [ 2.074093] entry_SYSCALL_64_fastpath+0x1a/0x7d [ 2.074096] RIP: 0033:0x7f2632e48d67 [ 2.074096] RSP: 002b:00007ffcf83234a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 [ 2.074098] RAX: ffffffffffffffda RBX: 0000556b1110b3b0 RCX: 00007f2632e48d67 [ 2.074099] RDX: 00007f26331a2778 RSI: 00007ffcf83234e8 RDI: 00007ffcf83238e8 [ 2.074099] RBP: 0000000000000000 R08: 00007f26337ea7c0 R09: 0000000000000000 [ 2.074100] R10: 00000000ffffffff R11: 0000000000000202 R12: 0000000000000000 [ 2.074101] R13: 00007ffcf83234e8 R14: 0000556b11105250 R15: 0000000000000005 [ 2.074102] Code: c0 74 0f 49 8b 55 c8 49 8b 45 d0 48 89 42 08 48 89 10 49 89 5d c8 49 89 5d d0 48 c7 c7 c0 d1 f0 81 e8 4a 97 75 00 e9 c7 fe ff ff <0f> ff e9 00 ff ff ff 48 8b 47 50 8b 15 4c 97 d4 00 48 c7 c7 00 [ 2.074123] ---[ end trace 1577946719f1cac2 ]--- [ 2.074158] ------------[ cut here ]------------ [ 2.074158] ------------[ cut here ]------------ [ 2.074159] kernel BUG at fs/inode.c:506! [ 2.074165] invalid opcode: 0000 [#1] SMP [ 2.074166] Modules linked in: [ 2.074168] CPU: 1 PID: 171 Comm: udevd Tainted: G W 4.14.0-13033-g7080e2e #1 [ 2.074169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 [ 2.074170] task: ffff88000b158000 task.stack: ffffc90000354000 [ 2.074171] RIP: 0010:clear_inode+0xa0/0xb0 [ 2.074172] RSP: 0018:ffffc90000357e28 EFLAGS: 00010002 [ 2.074173] RAX: 0000000000000000 RBX: ffff88001ec52c68 RCX: 0000000000000017 [ 2.074174] RDX: 0000000000000001 RSI: 00000000000001f3 RDI: ffff88001ec52de8 [ 2.074175] RBP: ffff88001ec52de8 R08: ffffc90000357cc8 R09: ffff88001e8f2000 [ 2.074176] R10: ffff88000c650480 R11: 0000000000000000 R12: ffffffff81a3abc0 [ 2.074176] R13: ffff88000c593840 R14: ffff88001ec52c68 R15: ffff88000c593898 [ 2.074178] FS: 00007f26337ea7c0(0000) GS:ffff880011f00000(0000) knlGS:0000000000000000 [ 2.074178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.074179] CR2: 00007f26337ef000 CR3: 000000001f3d6000 CR4: 00000000000006e0 [ 2.074182] Call Trace: [ 2.074184] evict+0xc5/0x1d0 [ 2.074186] __dentry_kill+0xc7/0x180 [ 2.074188] dput+0x183/0x270 [ 2.074190] SyS_rename+0x277/0x390 [ 2.074192] entry_SYSCALL_64_fastpath+0x1a/0x7d [ 2.074193] RIP: 0033:0x7f2632e48d67 [ 2.074194] RSP: 002b:00007ffcf83234a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000052 [ 2.074195] RAX: ffffffffffffffda RBX: 0000556b1110b3b0 RCX: 00007f2632e48d67 [ 2.074196] RDX: 00007f26331a2778 RSI: 00007ffcf83234e8 RDI: 00007ffcf83238e8 [ 2.074197] RBP: 0000000000000000 R08: 00007f26337ea7c0 R09: 0000000000000000 [ 2.074198] R10: 00000000ffffffff R11: 0000000000000202 R12: 0000000000000000 [ 2.074198] R13: 00007ffcf83234e8 R14: 0000556b11105250 R15: 0000000000000005 [ 2.074200] Code: 00 00 a8 20 74 2b a8 40 75 29 48 8b 83 30 01 00 00 48 8d 93 30 01 00 00 48 39 c2 75 18 48 c7 83 a0 00 00 00 60 00 00 00 5b 5d c3 <0f> 0b 0f 0b 0f 0b 0f 0b 0f 0b 0f 0b 0f 1f 40 00 0f 1f 44 00 00 [ 2.074220] RIP: clear_inode+0xa0/0xb0 RSP: ffffc90000357e28 [ 2.074223] ---[ end trace 1577946719f1cac3 ]--- [ 2.074224] Kernel panic - not syncing: Fatal exception # HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD git bisect start 87af3cf30199b2bd3d72a6733ddd27ead594f17d bebc6082da0a9f5d47a1ea2edc099bf671058bd4 -- git bisect bad eb0074bf72a209c0bee90d4059c097981b606345 # 10:23 B 0 7 21 0 Merge 'dax/xarray-2017-11-20' into devel-catchup-201711220627 git bisect good 60b85f4607f9ee28c758e646bddcbc064646ecf0 # 10:50 G 11 0 0 0 0day base guard for 'devel-catchup-201711220627' git bisect good ef1fe7e2b88ce137c6c8c7b599419435c89bdbb3 # 11:09 G 11 0 0 0 Merge 'linux-review/ssjoholm-mac-com/USB-option-add-Quectel-BG96-2c7c-0296/20171122-051603' into devel-catchup-201711220627 git bisect good 5d352e69c60e54b5f04d6e337a1d2bf0dbf3d94a # 11:25 G 11 0 0 0 Merge tag 'media/v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media git bisect good 8c609698569578913ad40bb160b97c3f6cfa15ec # 11:47 G 11 0 0 0 Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc git bisect good bec04432cb9036dedf89140c102b5ac03e4b3626 # 12:10 G 11 0 0 0 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux git bisect good 024f0607cfed19a9f6082e4b94267544de4fc584 # 12:48 G 11 0 0 0 drm/amd/display: Refactor dcn10_dpp_cm_helper to dcn10_cm_common git bisect good 2ce079f04d5914dae14fdc8618f804cc0d2a1b8f # 13:02 G 11 0 0 0 Merge tag 'kbuild-misc-v4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild git bisect good a13e8d418f3cb9d0b4efa6e744b8b23c0e3cdfe8 # 13:21 G 11 0 0 0 Merge tag 'mac80211-for-davem-2017-11-20' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 git bisect good c633e898bde8990a34907c91b7d5245cab866c6e # 13:43 G 11 0 0 0 Merge tag 'devicetree-fixes-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux git bisect good d447ebf9c77b16effd8aca114d7d281639e3f77f # 14:42 G 11 0 0 0 fbcon: Initialize ops->info early git bisect good 893e363950b85af9e0929ea39dcbc6e176fc0e1b # 14:53 G 10 0 0 1 unicore32: Turn flush_dcache_mmap_lock into a no-op git bisect bad 7080e2ebd022e0cb60461bb15b022df428da9833 # 15:03 B 0 4 18 0 page cache: Convert page_cache_tree_delete to xarray git bisect good 7dce5b2353cc0642ab2302761fe01ce092027163 # 15:21 G 10 0 0 0 xarray: Add xa_cmpxchg git bisect good aad980a8df634e56f66ee707b13be566d565a740 # 15:52 G 11 0 0 0 xarray: Add xas_prev_any git bisect good 6c41a307f51f88ca614a62e68ade40211c26c902 # 16:14 G 11 0 0 0 ida: Convert to using xarray git bisect good 894a09a779de22dfb2b63d0249cb09c5c0b83b21 # 17:53 G 11 0 0 0 page cache: Use xarray for adding pages # first bad commit: [7080e2ebd022e0cb60461bb15b022df428da9833] page cache: Convert page_cache_tree_delete to xarray git bisect good 894a09a779de22dfb2b63d0249cb09c5c0b83b21 # 18:11 G 31 0 0 0 page cache: Use xarray for adding pages # extra tests with debug options git bisect bad 7080e2ebd022e0cb60461bb15b022df428da9833 # 18:32 B 0 4 18 0 page cache: Convert page_cache_tree_delete to xarray # extra tests on HEAD of linux-devel/devel-catchup-201711220627 git bisect bad 87af3cf30199b2bd3d72a6733ddd27ead594f17d # 18:41 B 0 13 30 0 0day head guard for 'devel-catchup-201711220627' # extra tests on tree/branch dax/xarray-2017-11-20 git bisect bad b764b4260715cf418965a9e299435dc7280264ee # 19:04 B 0 3 28 10 net: Redesign act_api use of IDR # extra tests with first bad commit reverted git bisect good fbe070c9da0f0da54c96e0ab6d1e84a0b16fe940 # 19:23 G 11 0 1 1 Revert "page cache: Convert page_cache_tree_delete to xarray" --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/lkp Intel Corporation