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https://bugs.launchpad.net/bugs/1983741
Title:
kernel crash and hung up while umounting xfs
Status in linux package in Ubuntu:
Incomplete
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]
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