Public bug reported:
# lsb_release -rd
Description: Ubuntu 18.04 LTS
Release: 18.04
udisks2: 2.7.6-3
libblockdev-mdraid2: 2.16-2
Ubuntu 18.04, freshly upgraded from 16.04 via 17.10; system ran OK for about
72h before issue.
Filesystem on faulty raid is XFS, and raid is raid 10 far-copies:
md3 : active raid10 sdb4[2] sda4[4]
524155904 blocks super 1.2 512K chunks 2 far-copies [2/2] [UU]
What happened:
A "git commit" could not succeed. Process was impossible to kill. Load
reported by xload reached outstanding levels; system was still
responsive however, but impossible to halt, waiting for disk sync that
never occurred. I had to reboot the hard way.
After reboot, /home could not mount, and boot process dropped me to a
root console. I could see that mdadm reported ongoing reconstruction,
but frozen at some point. In the logs:
May 6 01:35:35 localhost kernel: [58614.835510] INFO: task xfsaild/md3:1056
blocked for more than 120 seconds.
May 6 01:35:35 localhost kernel: [58614.835521] Tainted: G OE
4.15.0-20-lowlatency #21-Ubuntu
May 6 01:35:35 localhost kernel: [58614.835524] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 6 01:35:35 localhost kernel: [58614.835529] xfsaild/md3 D 0 1056
2 0x80000000
May 6 01:35:35 localhost kernel: [58614.835535] Call Trace:
May 6 01:35:35 localhost kernel: [58614.835552] __schedule+0x299/0x8c0
May 6 01:35:35 localhost kernel: [58614.835560] schedule+0x33/0x90
May 6 01:35:35 localhost kernel: [58614.835570] wait_barrier+0x134/0x190
[raid10]
May 6 01:35:35 localhost kernel: [58614.835578] ? wait_woken+0x80/0x80
May 6 01:35:35 localhost kernel: [58614.835585]
raid10_write_request+0x77/0x950 [raid10]
...
Another line of interest:
May 6 02:05:59 localhost udisksd[1480]: failed to load module mdraid:
libbd_mdraid.so.2: cannot open shared object file: No such file or
directory
Actually, package libblockdev-mdraid2 is missing. Added it as well as
libblockdev-mpath2. Rebooted. mdadm starts reconstruction and is OK when
I come back from sleep.
System looks stable since then.
** Affects: udisks2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1769553
Title:
xfs blocks on unresponsive raid - blockdev module is missing
Status in udisks2 package in Ubuntu:
New
Bug description:
# lsb_release -rd
Description: Ubuntu 18.04 LTS
Release: 18.04
udisks2: 2.7.6-3
libblockdev-mdraid2: 2.16-2
Ubuntu 18.04, freshly upgraded from 16.04 via 17.10; system ran OK for about
72h before issue.
Filesystem on faulty raid is XFS, and raid is raid 10 far-copies:
md3 : active raid10 sdb4[2] sda4[4]
524155904 blocks super 1.2 512K chunks 2 far-copies [2/2] [UU]
What happened:
A "git commit" could not succeed. Process was impossible to kill. Load
reported by xload reached outstanding levels; system was still
responsive however, but impossible to halt, waiting for disk sync that
never occurred. I had to reboot the hard way.
After reboot, /home could not mount, and boot process dropped me to a
root console. I could see that mdadm reported ongoing reconstruction,
but frozen at some point. In the logs:
May 6 01:35:35 localhost kernel: [58614.835510] INFO: task xfsaild/md3:1056
blocked for more than 120 seconds.
May 6 01:35:35 localhost kernel: [58614.835521] Tainted: G
OE 4.15.0-20-lowlatency #21-Ubuntu
May 6 01:35:35 localhost kernel: [58614.835524] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
May 6 01:35:35 localhost kernel: [58614.835529] xfsaild/md3 D 0 1056
2 0x80000000
May 6 01:35:35 localhost kernel: [58614.835535] Call Trace:
May 6 01:35:35 localhost kernel: [58614.835552] __schedule+0x299/0x8c0
May 6 01:35:35 localhost kernel: [58614.835560] schedule+0x33/0x90
May 6 01:35:35 localhost kernel: [58614.835570] wait_barrier+0x134/0x190
[raid10]
May 6 01:35:35 localhost kernel: [58614.835578] ? wait_woken+0x80/0x80
May 6 01:35:35 localhost kernel: [58614.835585]
raid10_write_request+0x77/0x950 [raid10]
...
Another line of interest:
May 6 02:05:59 localhost udisksd[1480]: failed to load module mdraid:
libbd_mdraid.so.2: cannot open shared object file: No such file or
directory
Actually, package libblockdev-mdraid2 is missing. Added it as well as
libblockdev-mpath2. Rebooted. mdadm starts reconstruction and is OK
when I come back from sleep.
System looks stable since then.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/udisks2/+bug/1769553/+subscriptions
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