kernel crash and hung up while umounting xfs

Bug #1983741 reported by york

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6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Incomplete
Undecided
Unassigned

Bug Description

OS: Ubuntu 18.04.1
Using XFS with Ceph rdb and mount by OverlayFS, sometimes system hung up with kernel crash like below:

2022-07-27 16:17
Jul 27 15:21:43 k8s-node-b01-17-05 kernel: [25666453.856553] VFS: Busy inodes after unmount of overlay. Self-destruct in 5 seconds. Have a nice day...
Jul 27 15:22:01 k8s-node-b01-17-05 kernel: [25666471.122435] XFS (rbd59): Unmounting Filesystem
Jul 27 15:22:25 k8s-node-b01-17-05 kernel: [25666495.392431] BUG: Dentry 00000000d683c981{i=38c31f07,n=README_zh.md} still in use (1) [unmount of xfs rbd23]

Tags: ceph xfs
Revision history for this message
Chris Guiver (guiverc) wrote :

Thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal:

apport-collect 1983741

When reporting bugs in the future please use apport by using 'ubuntu-bug' and the name of the package affected. You can learn more about this functionality at https://wiki.ubuntu.com/ReportingBugs.

affects: ubuntu → linux (Ubuntu)
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1983741

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
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