Public bug reported:
Ubuntu Ubuntu 18.04.6 LTS 4.15.0-176-generic #185-Ubuntu SMP
nfs-kernel-server 1:1.3.4-2.1ubuntu5.5
rsync 3.1.2-2.1ubuntu1.4
cryptsetup 2:2.0.2-1ubuntu1.2
An Ubuntu server runs a rsync daemon which writes to a mounted luks
image, and an NFS server which exports this image. A rsync client from a
remote server connects to the daemon and tries to rsync. Everything was
Ok until recently.
After the system's recent update (not upgrade) the system started to
throw a bug:
BUG: unable to handle kernel paging request at ffff966dc4c51750
IP: jbd2_journal_grab_journal_head+0x9/0x40
BUG: unable to handle kernel paging request at ffff966dc4fad778
IP: ext4_finish_bio+0x109/0x230
The bug happens when the rsync client connects to the daemon and tries to rsync.
The BUG output from dmesg is attached.
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "dmesg output"
https://bugs.launchpad.net/bugs/1972962/+attachment/5588441/+files/bug.txt
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https://bugs.launchpad.net/bugs/1972962
Title:
Rsync, nfs? unable to handle kernel paging request at
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