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Bug #39399
openceph.py: ureadahead on ubuntu may prevent osd umount
Status:
New
Priority:
Normal
Assignee:
-
Category:
-
% Done:
0%
Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Crash signature (v1):
Crash signature (v2):
Description
2019-04-21T05:56:27.794 INFO:tasks.ceph:Unmounting /var/lib/ceph/osd/ceph-0 on ubuntu@smithi112.front.sepia.ceph.com 2019-04-21T05:56:27.794 INFO:teuthology.orchestra.run.smithi112:Running: 2019-04-21T05:56:27.794 INFO:teuthology.orchestra.run.smithi112:> sync && sudo umount -f /var/lib/ceph/osd/ceph-0 2019-04-21T05:56:27.895 INFO:teuthology.orchestra.run.smithi112.stderr:umount: /var/lib/ceph/osd/ceph-0: target is busy 2019-04-21T05:56:27.896 INFO:teuthology.orchestra.run.smithi112.stderr: (In some cases useful info about processes that 2019-04-21T05:56:27.896 INFO:teuthology.orchestra.run.smithi112.stderr: use the device is found by lsof(8) or fuser(1).) 2019-04-21T05:56:27.896 DEBUG:teuthology.orchestra.run:got remote process result: 32 2019-04-21T05:56:27.896 INFO:teuthology.orchestra.run.smithi112:Running: 2019-04-21T05:56:27.897 INFO:teuthology.orchestra.run.smithi112:> sudo PATH=/usr/sbin:$PATH lsof ; ps auxf 2019-04-21T05:56:27.983 INFO:teuthology.orchestra.run.smithi112.stdout:COMMAND PID TID USER FD TYPE DEVICE SIZE/OFF NODE NAME ... 2019-04-21T05:56:28.073 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 252,1 96636764160 38 /var/lib/ceph/osd/ceph-0/block 2019-04-21T05:56:28.074 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 3276192 4037 /usr/lib/locale/locale-archive 2019-04-21T05:56:28.074 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 14648 105446 /lib/x86_64-linux-gnu/libcom_err.so.2.1 2019-04-21T05:56:28.074 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 18976 105476 /lib/x86_64-linux-gnu/libuuid.so.1.3.0 2019-04-21T05:56:28.075 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 1868984 105569 /lib/x86_64-linux-gnu/libc-2.23.so 2019-04-21T05:56:28.075 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 138696 105567 /lib/x86_64-linux-gnu/libpthread-2.23.so 2019-04-21T05:56:28.075 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 270696 105418 /lib/x86_64-linux-gnu/libext2fs.so.2.4 2019-04-21T05:56:28.075 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 262408 105478 /lib/x86_64-linux-gnu/libblkid.so.1.1.0 2019-04-21T05:56:28.075 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 100376 105663 /lib/x86_64-linux-gnu/libnih.so.1.0.0 2019-04-21T05:56:28.076 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 31712 105592 /lib/x86_64-linux-gnu/librt-2.23.so 2019-04-21T05:56:28.076 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root mem REG 8,1 162632 105565 /lib/x86_64-linux-gnu/ld-2.23.so 2019-04-21T05:56:28.076 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root 0r CHR 1,3 0t0 6 /dev/null 2019-04-21T05:56:28.076 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root 1u unix 0xffff880074973400 0t0 12388 type=STREAM 2019-04-21T05:56:28.077 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root 2u unix 0xffff880074973400 0t0 12388 type=STREAM 2019-04-21T05:56:28.077 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root 3r DIR 0,9 0 1 /sys/kernel/debug/tracing 2019-04-21T05:56:28.077 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root 4r REG 0,9 0 2093 /sys/kernel/debug/tracing/trace 2019-04-21T05:56:28.077 INFO:teuthology.orchestra.run.smithi112.stdout:ureadahea 304 root 5r REG 252,1 96636764160 38 /var/lib/ceph/osd/ceph-0/block
/a/yuriw-2019-04-17_22:58:23-powercycle-nautilus-distro-basic-smithi/3860155
probably we need to disable ureadahead on ubuntu? see http://manpages.ubuntu.com/manpages/trusty/man8/ureadahead.8.html
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