[Drbd-dev] DRBD8: unconfigured devices and scheduling after_state_ch problem

Philipp Reisner philipp.reisner at linbit.com
Thu Oct 25 12:16:21 CEST 2007

On Tuesday 16 October 2007 23:55:49 Montrose, Ernest wrote:
> Hi all,
> We have been seeing a problem where "unconfigured" devices e.g devices
> that are Standalone and Diskless with sequential sync order schedule
> after_state_ch().  The problem is that there isn't a worker thread in
> this case.  So we observed two side effects. One all these queued work
> make shutting down the node take a long time as unloading the driver
> takes time to clean up. Two we can potentially have a memory exhaustion
> issue.
> Included here is a patch to help fix the problem.

Right, I applied this...

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