Messages in this thread | | | Date | Thu, 3 Jan 2013 17:08:14 -0500 | From | Tejun Heo <> | Subject | Re: nfsd oops on Linus' current tree. |
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Hello,
On Thu, Jan 03, 2013 at 03:11:20PM -0500, J. Bruce Fields wrote: > Both rpciod and nfsiod already set WQ_MEM_RECLAIM. > > But, right, looking at kernel/workqueue.c, it seems that the dedicated > "rescuer" threads are invoked only in the case when work is stalled > because a new worker thread isn't allocated quickly enough.
Because that's the *only* case where progress can't be guaranteed otherwise.
> So, what to do that's simplest enough that it would work for > post-rc2/stable? I was happy having just a simple dedicated > thread--these are only started when nfsd is, so there's no real thread > proliferation problem.
The analysis is likely completely wrong, so please don't go off doing something unnecessary. Please take look at what's causing the deadlocks again.
Thanks.
-- tejun
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