Re: next-20140114 - BUG: spinlock wrong CPU on CPU#3, mount/597

From: Valdis . Kletnieks
Date: Thu Jan 16 2014 - 11:21:05 EST


On Thu, 16 Jan 2014 11:39:34 +0100, Jan Kara said:

> Hum, the complaint is for group->notification_waitq->lock which
> is an internal lock for the wait queue. Actually the corruption seems to be
> only a single bit flip - the whole spinlock structure looks correct, only
> owner_cpu got flipped from 0x3 to 0x23. Ah, do you have patch from Hugh:
>
> fanotify: fix corruption preventing startup
>
> The corruption would match that very well and Andrew queued it just
> recently...

Aha. It landed after next-20140114 got put together. WIll try -0116 (which
does have it) and if that doesn't fix it, I'll follow up...

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