Public bug reported:
During an automatic btrfs balance (triggered through an btrfs maintenance
timer) there happens a Enospace error.
The next automatic "btrfs balance" step leads afterwards to an kernel error
(BTRFS: Transaction aborted (error -28)) and a readonly filesystem.
The system must be rebooted to get a writable filesystem. A scrub doesn't show
any erros.
After canceling the paused balance a new manual full balance could be
successfully executed.
In the attached syslog file there are the extract of the balance process with
the kernel stack trace of a 5.15.0-72-generic kernel.
I've seen on other systems (with former kernels of Ubuntu 22.04 LTS) these
problems with readonly filesystems after btrfs balancing.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: jammy
** Attachment added: "syslog extract with kernel oops during btrfs balance"
https://bugs.launchpad.net/bugs/2023983/+attachment/5679909/+files/kerneloops-btrfsbalance.log
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https://bugs.launchpad.net/bugs/2023983
Title:
btrfs scrub leads to an readonly filesystem
Status in linux package in Ubuntu:
New
Bug description:
During an automatic btrfs balance (triggered through an btrfs maintenance
timer) there happens a Enospace error.
The next automatic "btrfs balance" step leads afterwards to an kernel error
(BTRFS: Transaction aborted (error -28)) and a readonly filesystem.
The system must be rebooted to get a writable filesystem. A scrub doesn't
show any erros.
After canceling the paused balance a new manual full balance could be
successfully executed.
In the attached syslog file there are the extract of the balance process with
the kernel stack trace of a 5.15.0-72-generic kernel.
I've seen on other systems (with former kernels of Ubuntu 22.04 LTS) these
problems with readonly filesystems after btrfs balancing.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2023983/+subscriptions
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