To add some more observations:
After running umount in the context of an "at" job, the issue nearly
disappeared completely. Before this change, i already suspected power saving
mechanisms to increase the probability of a freeze. Last week i had a freeze
again, as the lid of my laptop has been cl
Craig:
> So the bug is occuring for me in the context I've shown above.
Strange. However, you guessed right, my script gets called by a RunAfter
directive.
Since the bug did not appear the last three times, the reason might be
different. Maybe its the two minute delay after the job has been
finis
Craig:
> The lockup is a little different now. Whereas previously the system would
> hang before any of the snapshots were removed, now some of the snapshots are
> successfully umount'd and lvremove'd before the hang. This could be the
> result of changes made to the script that does the umount
Finally there is a bug report for my issue, yay!
This bug hits me on precise with any of the current LTS kernels, i am
struggling with it for more than a year, maybe even two. Sometimes all
just works fine, sometimes the system locks up. I wasn't able to see the
error message since i never had the
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