[Drbd-dev] DRBD Lockups: We did not send a P_BARRIER – drbd kernel thread blocked

Michael Hierweck michael at hierweck.de
Wed Apr 13 14:00:13 CEST 2022

Hello Phil,

On 13.04.22 09:20, Philipp Reisner wrote:
> Unfortunately, it is hard to tell what went wrong from the log
> messages. In recent development (after 9.1.6 before 9.1.7-rc.2) there
> were some fixes that cured some bugs that led to the same symptom
> (=log messages).
> I do not know if that also eliminated what you see. My asks are:
>   * Please verify with 9.1.7-rc.2 if you can reproduce the issue.
>   * If yes, try, step by step to create the minimal reproducing
> scenario and send it to us in a way that we can reproduce it.

Thanks for your reply.

We will test this and report. Luckily our setup allows to reproduce the bug with little effort.

I would like to mention that the bug occurred before and after #7f599c2 was merged.

Best regards,


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