Public bug reported:
Testing failed on:
i386:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-xenial/xenial/i386/l/linux/20190201_082722_4cb3e@/log.gz
ubuntu_vfat_stress is causing a kernel hung task on xenial/linux i386:
Started, PID 23212
Timed out waiting for stress-ng to finish
Forcefully killing, PID 23212 (after 121 seconds)
Found kernel warning and/or call trace:
[ 3998.807995] Testing: --verify --times --metrics-brief --syslog --keep-name
-t 10s --hdd 2 --hdd-opts sync,wr-rnd,rd-rnd,fadv-willneed,fadv-rnd --lockf 2
--seek 2 --aio 2 --aio-requests 32 --dentry 2 --dir 2 --dentry-order stride
--fallocate 2 --fstat 2 --dentries 100 --lease 2 --open 2 --rename 2
--hdd-bytes 4M --fallocate-bytes 2M --chdir 2 --rename 2 --hdd-write-size 512
[ 3998.832802] Created loop image vfat-test-23176/vfat-image-23176.img on
/dev/loop0
[ 3999.936713] ubuntu_vfat_str (23176): drop_caches: 1
[ 3999.944908] ubuntu_vfat_str (23176): drop_caches: 2
[ 3999.949450] ubuntu_vfat_str (23176): drop_caches: 3
[ 3999.967248] VFAT options: allow_utime=20
[ 3999.967299] Stress test:
/tmp/autopkgtest.ytglRN/build.6Ql/src/autotest/client/tmp/ubuntu_vfat_stress/src/stress-ng/stress-ng
--verify --times --metrics-brief --syslog --keep-name -t 10s --hdd 2
--hdd-opts sync,wr-rnd,rd-rnd,fadv-willneed,fadv-rnd --lockf 2 --seek 2 --aio 2
--aio-requests 32 --dentry 2 --dir 2 --dentry-order stride --fallocate 2
--fstat 2 --dentries 100 --lease 2 --open 2 --rename 2 --hdd-bytes 4M
--fallocate-bytes 2M --chdir 2 --rename 2 --hdd-write-size 512
[ 3999.967318] Mount point: /mnt/vfat-test-23176
[ 3999.967994] Started, PID 23212
[ 4121.902337] Timed out waiting for stress-ng to finish
[ 4121.902488] Forcefully killing, PID 23212 (after 121 seconds)
[ 4200.180102] INFO: task stress-ng:23229 blocked for more than 120 seconds.
[ 4200.184444] Tainted: G OE 4.4.0-142-generic #168-Ubuntu
[ 4200.185438] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 4200.186581] stress-ng D c1214654 0 23229 1 0x00000004
[ 4200.186587] c5bc9ebc 00000086 c5bc9ea4 c1214654 00000000 ce0a5b00
64d56897 000003a3
[ 4200.186591] 6497d7cf 000003a3 d8185dc0 d239a800 c5bca000 d00ce5e0
c5bc9f08 c5bc9ec8
[ 4200.186595] c17e194d c5bc9f08 c5bc9ef0 c12146ad 00000000 d239a800
c10b5340 d00ce5e4
[ 4200.186598] Call Trace:
[ 4200.186608] [<c1214654>] ? wb_queue_work+0xe4/0xf0
[ 4200.186613] [<c17e194d>] schedule+0x2d/0x80
[ 4200.186616] [<c12146ad>] wb_wait_for_completion+0x4d/0x90
[ 4200.186620] [<c10b5340>] ? wake_atomic_t_function+0x70/0x70
[ 4200.186622] [<c1217bdd>] sync_inodes_sb+0x7d/0x1a0
[ 4200.186624] [<c121d625>] sync_inodes_one_sb+0x15/0x20
[ 4200.186628] [<c11ef26d>] iterate_supers+0xcd/0xd0
[ 4200.186630] [<c121d610>] ? SyS_tee+0x2a0/0x2a0
[ 4200.186632] [<c121d95a>] sys_sync+0x3a/0xa0
[ 4200.186636] [<c10038af>] do_fast_syscall_32+0x9f/0x160
[ 4200.186639] [<c17e5bf0>] sysenter_past_esp+0x3d/0x61
[ 4200.186641] INFO: task stress-ng:23242 blocked for more than 120 seconds.
[ 4200.187628] Tainted: G OE 4.4.0-142-generic #168-Ubuntu
[ 4200.188667] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 4200.189947] stress-ng D c1214654 0 23242 1 0x00000004
[ 4200.189952] c011bebc 00000086 c011bea4 c1214654 00000000 dd922680
65d2d986 000003a3
[ 4200.189955] 65bb3d70 000003a3 d8185dc0 cef0b200 c011c000 d00ce5e0
c011bf08 c011bec8
[ 4200.189958] c17e194d c011bf08 c011bef0 c12146ad 00000000 cef0b200
c10b5340 c5bc9edc
[ 4200.189962] Call Trace:
[ 4200.189965] [<c1214654>] ? wb_queue_work+0xe4/0xf0
[ 4200.189968] [<c17e194d>] schedule+0x2d/0x80
[ 4200.189971] [<c12146ad>] wb_wait_for_completion+0x4d/0x90
[ 4200.189973] [<c10b5340>] ? wake_atomic_t_function+0x70/0x70
[ 4200.189975] [<c1217bdd>] sync_inodes_sb+0x7d/0x1a0
[ 4200.189978] [<c121d625>] sync_inodes_one_sb+0x15/0x20
[ 4200.189980] [<c11ef26d>] iterate_supers+0xcd/0xd0
[ 4200.189983] [<c121d610>] ? SyS_tee+0x2a0/0x2a0
[ 4200.189985] [<c121d95a>] sys_sync+0x3a/0xa0
[ 4200.189987] [<c10038af>] do_fast_syscall_32+0x9f/0x160
[ 4200.189989] [<c17e5bf0>] sysenter_past_esp+0x3d/0x61
This is not a regression, different call traces or errors have been
reported by older versions.
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: Confirmed
** Tags: kernel-adt-failure
** Tags added: kernel-adt-failure
** Summary changed:
- linux 4.4.0-142.168 ADT test failure with linux 4.4.0-142.168
+ linux 4.4.0-142.168 ADT test failure (ubuntu_vfat_stress): hung task on i386
** Description changed:
Testing failed on:
- i386:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-xenial/xenial/i386/l/linux/20190201_082722_4cb3e@/log.gz
+ i386:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-xenial/xenial/i386/l/linux/20190201_082722_4cb3e@/log.gz
+
+ ubuntu_vfat_stress is causing a kernel hung task on xenial/linux i386:
+
+ Started, PID 23212
+ Timed out waiting for stress-ng to finish
+ Forcefully killing, PID 23212 (after 121 seconds)
+ Found kernel warning and/or call trace:
+
+ [ 3998.807995] Testing: --verify --times --metrics-brief --syslog
--keep-name -t 10s --hdd 2 --hdd-opts sync,wr-rnd,rd-rnd,fadv-willneed,fadv-rnd
--lockf 2 --seek 2 --aio 2 --aio-requests 32 --dentry 2 --dir 2 --dentry-order
stride --fallocate 2 --fstat 2 --dentries 100 --lease 2 --open 2 --rename 2
--hdd-bytes 4M --fallocate-bytes 2M --chdir 2 --rename 2 --hdd-write-size 512
+ [ 3998.832802] Created loop image vfat-test-23176/vfat-image-23176.img on
/dev/loop0
+ [ 3999.936713] ubuntu_vfat_str (23176): drop_caches: 1
+ [ 3999.944908] ubuntu_vfat_str (23176): drop_caches: 2
+ [ 3999.949450] ubuntu_vfat_str (23176): drop_caches: 3
+ [ 3999.967248] VFAT options: allow_utime=20
+ [ 3999.967299] Stress test:
/tmp/autopkgtest.ytglRN/build.6Ql/src/autotest/client/tmp/ubuntu_vfat_stress/src/stress-ng/stress-ng
--verify --times --metrics-brief --syslog --keep-name -t 10s --hdd 2
--hdd-opts sync,wr-rnd,rd-rnd,fadv-willneed,fadv-rnd --lockf 2 --seek 2 --aio 2
--aio-requests 32 --dentry 2 --dir 2 --dentry-order stride --fallocate 2
--fstat 2 --dentries 100 --lease 2 --open 2 --rename 2 --hdd-bytes 4M
--fallocate-bytes 2M --chdir 2 --rename 2 --hdd-write-size 512
+ [ 3999.967318] Mount point: /mnt/vfat-test-23176
+ [ 3999.967994] Started, PID 23212
+ [ 4121.902337] Timed out waiting for stress-ng to finish
+ [ 4121.902488] Forcefully killing, PID 23212 (after 121 seconds)
+ [ 4200.180102] INFO: task stress-ng:23229 blocked for more than 120 seconds.
+ [ 4200.184444] Tainted: G OE 4.4.0-142-generic #168-Ubuntu
+ [ 4200.185438] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
+ [ 4200.186581] stress-ng D c1214654 0 23229 1 0x00000004
+ [ 4200.186587] c5bc9ebc 00000086 c5bc9ea4 c1214654 00000000 ce0a5b00
64d56897 000003a3
+ [ 4200.186591] 6497d7cf 000003a3 d8185dc0 d239a800 c5bca000 d00ce5e0
c5bc9f08 c5bc9ec8
+ [ 4200.186595] c17e194d c5bc9f08 c5bc9ef0 c12146ad 00000000 d239a800
c10b5340 d00ce5e4
+ [ 4200.186598] Call Trace:
+ [ 4200.186608] [<c1214654>] ? wb_queue_work+0xe4/0xf0
+ [ 4200.186613] [<c17e194d>] schedule+0x2d/0x80
+ [ 4200.186616] [<c12146ad>] wb_wait_for_completion+0x4d/0x90
+ [ 4200.186620] [<c10b5340>] ? wake_atomic_t_function+0x70/0x70
+ [ 4200.186622] [<c1217bdd>] sync_inodes_sb+0x7d/0x1a0
+ [ 4200.186624] [<c121d625>] sync_inodes_one_sb+0x15/0x20
+ [ 4200.186628] [<c11ef26d>] iterate_supers+0xcd/0xd0
+ [ 4200.186630] [<c121d610>] ? SyS_tee+0x2a0/0x2a0
+ [ 4200.186632] [<c121d95a>] sys_sync+0x3a/0xa0
+ [ 4200.186636] [<c10038af>] do_fast_syscall_32+0x9f/0x160
+ [ 4200.186639] [<c17e5bf0>] sysenter_past_esp+0x3d/0x61
+ [ 4200.186641] INFO: task stress-ng:23242 blocked for more than 120 seconds.
+ [ 4200.187628] Tainted: G OE 4.4.0-142-generic #168-Ubuntu
+ [ 4200.188667] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
+ [ 4200.189947] stress-ng D c1214654 0 23242 1 0x00000004
+ [ 4200.189952] c011bebc 00000086 c011bea4 c1214654 00000000 dd922680
65d2d986 000003a3
+ [ 4200.189955] 65bb3d70 000003a3 d8185dc0 cef0b200 c011c000 d00ce5e0
c011bf08 c011bec8
+ [ 4200.189958] c17e194d c011bf08 c011bef0 c12146ad 00000000 cef0b200
c10b5340 c5bc9edc
+ [ 4200.189962] Call Trace:
+ [ 4200.189965] [<c1214654>] ? wb_queue_work+0xe4/0xf0
+ [ 4200.189968] [<c17e194d>] schedule+0x2d/0x80
+ [ 4200.189971] [<c12146ad>] wb_wait_for_completion+0x4d/0x90
+ [ 4200.189973] [<c10b5340>] ? wake_atomic_t_function+0x70/0x70
+ [ 4200.189975] [<c1217bdd>] sync_inodes_sb+0x7d/0x1a0
+ [ 4200.189978] [<c121d625>] sync_inodes_one_sb+0x15/0x20
+ [ 4200.189980] [<c11ef26d>] iterate_supers+0xcd/0xd0
+ [ 4200.189983] [<c121d610>] ? SyS_tee+0x2a0/0x2a0
+ [ 4200.189985] [<c121d95a>] sys_sync+0x3a/0xa0
+ [ 4200.189987] [<c10038af>] do_fast_syscall_32+0x9f/0x160
+ [ 4200.189989] [<c17e5bf0>] sysenter_past_esp+0x3d/0x61
+
+ This is not a regression, different call traces or errors have been
+ reported by older versions.
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Invalid
** Changed in: linux (Ubuntu Xenial)
Status: New => Confirmed
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
--
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https://bugs.launchpad.net/bugs/1814231
Title:
linux 4.4.0-142.168 ADT test failure (ubuntu_vfat_stress): hung task
on i386
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Xenial:
Confirmed
Bug description:
Testing failed on:
i386:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-xenial/xenial/i386/l/linux/20190201_082722_4cb3e@/log.gz
ubuntu_vfat_stress is causing a kernel hung task on xenial/linux i386:
Started, PID 23212
Timed out waiting for stress-ng to finish
Forcefully killing, PID 23212 (after 121 seconds)
Found kernel warning and/or call trace:
[ 3998.807995] Testing: --verify --times --metrics-brief --syslog
--keep-name -t 10s --hdd 2 --hdd-opts sync,wr-rnd,rd-rnd,fadv-willneed,fadv-rnd
--lockf 2 --seek 2 --aio 2 --aio-requests 32 --dentry 2 --dir 2 --dentry-order
stride --fallocate 2 --fstat 2 --dentries 100 --lease 2 --open 2 --rename 2
--hdd-bytes 4M --fallocate-bytes 2M --chdir 2 --rename 2 --hdd-write-size 512
[ 3998.832802] Created loop image vfat-test-23176/vfat-image-23176.img on
/dev/loop0
[ 3999.936713] ubuntu_vfat_str (23176): drop_caches: 1
[ 3999.944908] ubuntu_vfat_str (23176): drop_caches: 2
[ 3999.949450] ubuntu_vfat_str (23176): drop_caches: 3
[ 3999.967248] VFAT options: allow_utime=20
[ 3999.967299] Stress test:
/tmp/autopkgtest.ytglRN/build.6Ql/src/autotest/client/tmp/ubuntu_vfat_stress/src/stress-ng/stress-ng
--verify --times --metrics-brief --syslog --keep-name -t 10s --hdd 2
--hdd-opts sync,wr-rnd,rd-rnd,fadv-willneed,fadv-rnd --lockf 2 --seek 2 --aio 2
--aio-requests 32 --dentry 2 --dir 2 --dentry-order stride --fallocate 2
--fstat 2 --dentries 100 --lease 2 --open 2 --rename 2 --hdd-bytes 4M
--fallocate-bytes 2M --chdir 2 --rename 2 --hdd-write-size 512
[ 3999.967318] Mount point: /mnt/vfat-test-23176
[ 3999.967994] Started, PID 23212
[ 4121.902337] Timed out waiting for stress-ng to finish
[ 4121.902488] Forcefully killing, PID 23212 (after 121 seconds)
[ 4200.180102] INFO: task stress-ng:23229 blocked for more than 120 seconds.
[ 4200.184444] Tainted: G OE 4.4.0-142-generic #168-Ubuntu
[ 4200.185438] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 4200.186581] stress-ng D c1214654 0 23229 1 0x00000004
[ 4200.186587] c5bc9ebc 00000086 c5bc9ea4 c1214654 00000000 ce0a5b00
64d56897 000003a3
[ 4200.186591] 6497d7cf 000003a3 d8185dc0 d239a800 c5bca000 d00ce5e0
c5bc9f08 c5bc9ec8
[ 4200.186595] c17e194d c5bc9f08 c5bc9ef0 c12146ad 00000000 d239a800
c10b5340 d00ce5e4
[ 4200.186598] Call Trace:
[ 4200.186608] [<c1214654>] ? wb_queue_work+0xe4/0xf0
[ 4200.186613] [<c17e194d>] schedule+0x2d/0x80
[ 4200.186616] [<c12146ad>] wb_wait_for_completion+0x4d/0x90
[ 4200.186620] [<c10b5340>] ? wake_atomic_t_function+0x70/0x70
[ 4200.186622] [<c1217bdd>] sync_inodes_sb+0x7d/0x1a0
[ 4200.186624] [<c121d625>] sync_inodes_one_sb+0x15/0x20
[ 4200.186628] [<c11ef26d>] iterate_supers+0xcd/0xd0
[ 4200.186630] [<c121d610>] ? SyS_tee+0x2a0/0x2a0
[ 4200.186632] [<c121d95a>] sys_sync+0x3a/0xa0
[ 4200.186636] [<c10038af>] do_fast_syscall_32+0x9f/0x160
[ 4200.186639] [<c17e5bf0>] sysenter_past_esp+0x3d/0x61
[ 4200.186641] INFO: task stress-ng:23242 blocked for more than 120 seconds.
[ 4200.187628] Tainted: G OE 4.4.0-142-generic #168-Ubuntu
[ 4200.188667] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[ 4200.189947] stress-ng D c1214654 0 23242 1 0x00000004
[ 4200.189952] c011bebc 00000086 c011bea4 c1214654 00000000 dd922680
65d2d986 000003a3
[ 4200.189955] 65bb3d70 000003a3 d8185dc0 cef0b200 c011c000 d00ce5e0
c011bf08 c011bec8
[ 4200.189958] c17e194d c011bf08 c011bef0 c12146ad 00000000 cef0b200
c10b5340 c5bc9edc
[ 4200.189962] Call Trace:
[ 4200.189965] [<c1214654>] ? wb_queue_work+0xe4/0xf0
[ 4200.189968] [<c17e194d>] schedule+0x2d/0x80
[ 4200.189971] [<c12146ad>] wb_wait_for_completion+0x4d/0x90
[ 4200.189973] [<c10b5340>] ? wake_atomic_t_function+0x70/0x70
[ 4200.189975] [<c1217bdd>] sync_inodes_sb+0x7d/0x1a0
[ 4200.189978] [<c121d625>] sync_inodes_one_sb+0x15/0x20
[ 4200.189980] [<c11ef26d>] iterate_supers+0xcd/0xd0
[ 4200.189983] [<c121d610>] ? SyS_tee+0x2a0/0x2a0
[ 4200.189985] [<c121d95a>] sys_sync+0x3a/0xa0
[ 4200.189987] [<c10038af>] do_fast_syscall_32+0x9f/0x160
[ 4200.189989] [<c17e5bf0>] sysenter_past_esp+0x3d/0x61
This is not a regression, different call traces or errors have been
reported by older versions.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1814231/+subscriptions
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