Hello step21,
I can replicate your bug with fstrim -a command. Can you please try it (save
your work before)?
In fact, bug reproduces itself in a weekly bases thanks to fstrim systemd
timer. Timer can be disabled with: sudo systemctl disable fstrim.timer command.
In my understanding, fstrim tries to trim cache drive, however it locked
by bcache.
OS: Ubuntu 18.10
Kernel: 4.18.0-12-generic #13-Ubuntu
Can you please confirm?
** Changed in: linux (Ubuntu)
Status: Expired => Incomplete
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https://bugs.launchpad.net/bugs/1793901
Title:
kernel oops in bcache module
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