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Date: Mon, 22 Mar 2021 14:03:34 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Dan Schatzberg <schatzberg.dan@...il.com>
Cc: 0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
lkp@...ts.01.org, Jens Axboe <axboe@...nel.dk>,
Tejun Heo <tj@...nel.org>, Zefan Li <lizefan.x@...edance.com>,
Johannes Weiner <hannes@...xchg.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Michal Hocko <mhocko@...nel.org>,
Vladimir Davydov <vdavydov.dev@...il.com>,
Hugh Dickins <hughd@...gle.com>,
Shakeel Butt <shakeelb@...gle.com>,
Roman Gushchin <guro@...com>,
Muchun Song <songmuchun@...edance.com>,
Alex Shi <alex.shi@...ux.alibaba.com>,
Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
Chris Down <chris@...isdown.name>,
Yafang Shao <laoar.shao@...il.com>,
Wei Yang <richard.weiyang@...il.com>
Subject: [loop] eaba742710:
WARNING:at_kernel/workqueue.c:#check_flush_dependency
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: eaba7427107045752f7454f94a40839c0880cf02 ("[PATCH 1/3] loop: Use worker per cgroup instead of kworker")
url: https://github.com/0day-ci/linux/commits/Dan-Schatzberg/Charge-loop-device-i-o-to-issuing-cgroup/20210316-233842
base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next
in testcase: xfstests
version: xfstests-x86_64-73c0871-1_20210318
with following parameters:
disk: 4HDD
fs: xfs
test: generic-group-18
ucode: 0xe2
test-description: xfstests is a regression test suite for xfs and other files ystems.
test-url: git://git.kernel.org/pub/scm/fs/xfs/xfstests-dev.git
on test machine: 4 threads Intel(R) Xeon(R) CPU E3-1225 v5 @ 3.30GHz with 16G memory
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>
[ 50.428387] WARNING: CPU: 0 PID: 35 at kernel/workqueue.c:2613 check_flush_dependency (kbuild/src/consumer/kernel/workqueue.c:2613 (discriminator 9))
[ 50.450013] Modules linked in: loop xfs dm_mod btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c sd_mod t10_pi sg ipmi_devintf ipmi_msghandler intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal i915 intel_powerclamp coretemp crct10dif_pclmul crc32_pclmul hp_wmi sparse_keymap intel_gtt crc32c_intel ghash_clmulni_intel mei_wdt rfkill wmi_bmof rapl drm_kms_helper ahci intel_cstate syscopyarea mei_me libahci sysfillrect sysimgblt fb_sys_fops intel_uncore serio_raw mei drm libata intel_pch_thermal ie31200_edac wmi video tpm_infineon intel_pmc_core acpi_pad ip_tables
[ 50.500731] CPU: 0 PID: 35 Comm: kworker/u8:3 Not tainted 5.12.0-rc2-00093-geaba74271070 #1
[ 50.509081] Hardware name: HP HP Z238 Microtower Workstation/8183, BIOS N51 Ver. 01.63 10/05/2017
[ 50.517963] Workqueue: loop0 loop_rootcg_workfn [loop]
[ 50.523109] RIP: 0010:check_flush_dependency (kbuild/src/consumer/kernel/workqueue.c:2613 (discriminator 9))
[ 50.528427] Code: 8d 8b b0 00 00 00 48 8b 50 18 49 89 e8 48 8d b1 b0 00 00 00 48 c7 c7 80 ed 34 82 4c 89 c9 c6 05 8a 11 ab 01 01 e8 29 9a a9 00 <0f> 0b e9 07 ff ff ff 80 3d 78 11 ab 01 00 75 92 e9 3b ff ff ff 66
All code
========
0: 8d 8b b0 00 00 00 lea 0xb0(%rbx),%ecx
6: 48 8b 50 18 mov 0x18(%rax),%rdx
a: 49 89 e8 mov %rbp,%r8
d: 48 8d b1 b0 00 00 00 lea 0xb0(%rcx),%rsi
14: 48 c7 c7 80 ed 34 82 mov $0xffffffff8234ed80,%rdi
1b: 4c 89 c9 mov %r9,%rcx
1e: c6 05 8a 11 ab 01 01 movb $0x1,0x1ab118a(%rip) # 0x1ab11af
25: e8 29 9a a9 00 callq 0xa99a53
2a:* 0f 0b ud2 <-- trapping instruction
2c: e9 07 ff ff ff jmpq 0xffffffffffffff38
31: 80 3d 78 11 ab 01 00 cmpb $0x0,0x1ab1178(%rip) # 0x1ab11b0
38: 75 92 jne 0xffffffffffffffcc
3a: e9 3b ff ff ff jmpq 0xffffffffffffff7a
3f: 66 data16
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: e9 07 ff ff ff jmpq 0xffffffffffffff0e
7: 80 3d 78 11 ab 01 00 cmpb $0x0,0x1ab1178(%rip) # 0x1ab1186
e: 75 92 jne 0xffffffffffffffa2
10: e9 3b ff ff ff jmpq 0xffffffffffffff50
15: 66 data16
[ 50.547207] RSP: 0018:ffffc9000018fba0 EFLAGS: 00010086
[ 50.552434] RAX: 0000000000000000 RBX: ffff88843a39b600 RCX: 0000000000000027
[ 50.559567] RDX: 0000000000000027 RSI: 00000000ffff7fff RDI: ffff88843f4177f8
[ 50.566713] RBP: ffffffffc091c760 R08: ffff88843f4177f0 R09: ffffc9000018f9b8
[ 50.573875] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88810d0fa800
[ 50.581006] R13: 0000000000000001 R14: ffff88843f42ab80 R15: ffff88810d0fa800
[ 50.588139] FS: 0000000000000000(0000) GS:ffff88843f400000(0000) knlGS:0000000000000000
[ 50.596228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.601975] CR2: 00007fbda63ea7f8 CR3: 000000043da0a002 CR4: 00000000003706f0
[ 50.609105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 50.616240] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 50.623379] Call Trace:
[ 50.625837] __flush_work (kbuild/src/consumer/kernel/workqueue.c:2669 kbuild/src/consumer/kernel/workqueue.c:3011 kbuild/src/consumer/kernel/workqueue.c:3051)
[ 50.629418] ? __queue_work (kbuild/src/consumer/arch/x86/include/asm/paravirt.h:559 kbuild/src/consumer/arch/x86/include/asm/qspinlock.h:56 kbuild/src/consumer/include/linux/spinlock.h:212 kbuild/src/consumer/include/linux/spinlock_api_smp.h:151 kbuild/src/consumer/kernel/workqueue.c:1500)
[ 50.633261] xfs_file_buffered_write (kbuild/src/consumer/fs/xfs/xfs_file.c:761) xfs
[ 50.638468] do_iter_readv_writev (kbuild/src/consumer/fs/read_write.c:741)
[ 50.642833] do_iter_write (kbuild/src/consumer/fs/read_write.c:866 kbuild/src/consumer/fs/read_write.c:847)
[ 50.646513] lo_write_bvec (kbuild/src/consumer/include/linux/fs.h:2903 kbuild/src/consumer/drivers/block/loop.c:286) loop
[ 50.650804] loop_process_work (kbuild/src/consumer/drivers/block/loop.c:307 kbuild/src/consumer/drivers/block/loop.c:630 kbuild/src/consumer/drivers/block/loop.c:2129 kbuild/src/consumer/drivers/block/loop.c:2161) loop
[ 50.655543] ? newidle_balance (kbuild/src/consumer/kernel/sched/fair.c:10635)
[ 50.659647] process_one_work (kbuild/src/consumer/arch/x86/include/asm/jump_label.h:25 kbuild/src/consumer/include/linux/jump_label.h:200 kbuild/src/consumer/include/trace/events/workqueue.h:108 kbuild/src/consumer/kernel/workqueue.c:2280)
[ 50.663696] worker_thread (kbuild/src/consumer/include/linux/list.h:282 kbuild/src/consumer/kernel/workqueue.c:2422)
[ 50.667365] ? process_one_work (kbuild/src/consumer/kernel/workqueue.c:2364)
[ 50.671568] kthread (kbuild/src/consumer/kernel/kthread.c:292)
[ 50.674813] ? kthread_park (kbuild/src/consumer/kernel/kthread.c:245)
[ 50.678476] ret_from_fork (kbuild/src/consumer/arch/x86/entry/entry_64.S:300)
[ 50.682070] ---[ end trace cdbf6e08ae434f6c ]---
[ 56.951496] loop: Write error at byte offset 1032134656, length 4096.
[ 56.957973] blk_update_request: I/O error, dev loop0, sector 2015816 op 0x1:(WRITE) flags 0x4000 phys_seg 21 prio class 0
[ 56.968947] loop: Write error at byte offset 1033408512, length 4096.
[ 56.975421] blk_update_request: I/O error, dev loop0, sector 2018376 op 0x1:(WRITE) flags 0x4000 phys_seg 20 prio class 0
[ 56.976319] loop: Write error at byte offset 1034719232, length 4096.
[ 56.992849] blk_update_request: I/O error, dev loop0, sector 2020936 op 0x1:(WRITE) flags 0x4000 phys_seg 20 prio class 0
[ 56.994344] loop: Write error at byte offset 1036029952, length 4096.
[ 57.010337] blk_update_request: I/O error, dev loop0, sector 2023496 op 0x1:(WRITE) flags 0x4000 phys_seg 21 prio class 0
[ 57.011345] loop: Write error at byte offset 1037340672, length 4096.
[ 57.027789] blk_update_request: I/O error, dev loop0, sector 2026056 op 0x1:(WRITE) flags 0x4000 phys_seg 20 prio class 0
[ 57.029342] loop: Write error at byte offset 1038651392, length 4096.
[ 57.045247] blk_update_request: I/O error, dev loop0, sector 2028616 op 0x1:(WRITE) flags 0x4000 phys_seg 20 prio class 0
[ 57.047344] loop: Write error at byte offset 1039962112, length 4096.
[ 57.062715] blk_update_request: I/O error, dev loop0, sector 2031176 op 0x1:(WRITE) flags 0x4000 phys_seg 21 prio class 0
[ 57.065323] loop: Write error at byte offset 1041272832, length 4096.
[ 57.080148] blk_update_request: I/O error, dev loop0, sector 2033736 op 0x1:(WRITE) flags 0x4000 phys_seg 20 prio class 0
[ 57.081357] loop: Write error at byte offset 1042583552, length 4096.
[ 57.097612] blk_update_request: I/O error, dev loop0, sector 2036296 op 0x1:(WRITE) flags 0x4000 phys_seg 20 prio class 0
[ 57.098342] loop: Write error at byte offset 1043894272, length 4096.
[ 57.115063] blk_update_request: I/O error, dev loop0, sector 2038856 op 0x1:(WRITE) flags 0x4000 phys_seg 21 prio class 0
[ 57.117369] loop0: writeback error on inode 131, offset 536248320, sector 17792
[ 57.138492] loop0: writeback error on inode 131, offset 268124160, sector 2096616
[ 57.477745] XFS (loop0): Unmounting Filesystem
[ 57.676457] XFS (sda1): Unmounting Filesystem
[ 57.812233] XFS (sda4): Unmounting Filesystem
[ 58.538531] XFS (sda4): Mounting V5 Filesystem
[ 58.555208] XFS (sda4): Ending clean mount
[ 58.562478] xfs filesystem being mounted at /fs/scratch supports timestamps until 2038 (0x7fffffff)
[ 58.574138] XFS (sda4): Unmounting Filesystem
[ 58.707339] generic/361 _check_dmesg: something found in dmesg (see /lkp/benchmarks/xfstests/results//generic/361.dmesg)
[ 58.707355]
[ 58.719955]
[ 58.719956]
[ 58.726562] run fstests generic/362 at 2021-03-19 23:56:59
[ 59.025589] XFS (sda1): Mounting V5 Filesystem
[ 59.113481] XFS (sda1): Ending clean mount
[ 59.120573] xfs filesystem being mounted at /fs/sda1 supports timestamps until 2038 (0x7fffffff)
[ 59.171890] generic/362 [not run] mkfs.xfs doesn't have richacl feature
[ 59.171893]
[ 59.188841] run fstests generic/363 at 2021-03-19 23:56:59
[ 59.479869] generic/363 [not run] mkfs.xfs doesn't have richacl feature
[ 59.479872]
[ 59.496814] run fstests generic/364 at 2021-03-19 23:56:59
[ 59.771886] generic/364 [not run] mkfs.xfs doesn't have richacl feature
[ 59.771889]
[ 59.788796] run fstests generic/365 at 2021-03-19 23:57:00
[ 60.058891] generic/365 [not run] mkfs.xfs doesn't have richacl feature
[ 60.058894]
[ 60.075830] run fstests generic/366 at 2021-03-19 23:57:00
[ 60.346927] generic/366 [not run] mkfs.xfs doesn't have richacl feature
[ 60.346930]
[ 60.363892] run fstests generic/367 at 2021-03-19 23:57:00
[ 60.635809] generic/367 [not run] mkfs.xfs doesn't have richacl feature
[ 60.635812]
[ 60.652791] run fstests generic/368 at 2021-03-19 23:57:01
[ 60.928853] generic/368 [not run] mkfs.xfs doesn't have richacl feature
[ 60.928857]
[ 60.945736] run fstests generic/369 at 2021-03-19 23:57:01
[ 61.214037] generic/369 [not run] mkfs.xfs doesn't have richacl feature
[ 61.214040]
[ 61.231028] run fstests generic/370 at 2021-03-19 23:57:01
[ 61.503865] generic/370 [not run] mkfs.xfs doesn't have richacl feature
[ 61.503868]
[ 61.520803] run fstests generic/371 at 2021-03-19 23:57:02
[ 62.013442] XFS (sda4): Mounting V5 Filesystem
[ 62.122308] XFS (sda4): Ending clean mount
[ 62.129243] xfs filesystem being mounted at /fs/scratch supports timestamps until 2038 (0x7fffffff)
[ 65.996069] XFS (sda1): Unmounting Filesystem
[ 66.214239] XFS (sda4): Unmounting Filesystem
[ 66.810579] XFS (sda4): Mounting V5 Filesystem
[ 66.854787] XFS (sda4): Ending clean mount
[ 66.860848] xfs filesystem being mounted at /fs/scratch supports timestamps until 2038 (0x7fffffff)
[ 66.872560] XFS (sda4): Unmounting Filesystem
[ 66.957505] generic/371 5s
[ 66.957507]
[ 66.973880] run fstests generic/372 at 2021-03-19 23:57:07
[ 67.270516] XFS (sda1): Mounting V5 Filesystem
[ 67.391362] XFS (sda1): Ending clean mount
[ 67.398502] xfs filesystem being mounted at /fs/sda1 supports timestamps until 2038 (0x7fffffff)
[ 69.203230] XFS (sda4): Mounting V5 Filesystem
[ 69.360064] XFS (sda4): Ending clean mount
[ 69.365981] xfs filesystem being mounted at /fs/scratch supports timestamps until 2038 (0x7fffffff)
[ 69.446605] XFS (sda4): Unmounting Filesystem
[ 69.602242] generic/372 [not run] Reflink not supported by scratch filesystem type: xfs
[ 69.602246]
[ 69.619022] run fstests generic/373 at 2021-03-19 23:57:10
[ 71.779682] XFS (sda4): Mounting V5 Filesystem
[ 72.056627] XFS (sda4): Ending clean mount
[ 72.091290] xfs filesystem being mounted at /fs/scratch supports timestamps until 2038 (0x7fffffff)
[ 72.169088] XFS (sda4): Unmounting Filesystem
[ 72.324408] generic/373 [not run] Reflink not supported by scratch filesystem type: xfs
[ 72.324412]
[ 72.341201] run fstests generic/374 at 2021-03-19 23:57:12
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml
bin/lkp run compatible-job.yaml
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation
Thanks,
Oliver Sang
View attachment "config-5.12.0-rc2-00093-geaba74271070" of type "text/plain" (172899 bytes)
View attachment "job-script" of type "text/plain" (5751 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (26224 bytes)
View attachment "xfstests" of type "text/plain" (2330 bytes)
View attachment "job.yaml" of type "text/plain" (4737 bytes)
View attachment "reproduce" of type "text/plain" (987 bytes)
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