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SubjectRe: page_cache_tree_insert WARN_ON hit on 4.8+
On Thu, Oct 06, 2016 at 03:41:45PM +0200, Johannes Weiner wrote:
> On Tue, Oct 04, 2016 at 01:46:45PM -0400, Dave Jones wrote:
> > On Tue, Oct 04, 2016 at 07:34:25PM +0200, Johannes Weiner wrote:
> > > On Tue, Oct 04, 2016 at 01:09:55PM -0400, Dave Jones wrote:
> > > > Hit this during a trinity run.
> > > > Kernel built from v4.8-1558-g21f54ddae449
> > > >
> > > > WARNING: CPU: 0 PID: 5670 at ./include/linux/swap.h:276 page_cache_tree_insert+0x198/0x1b0
>
> To tie up this thread, we tracked it down in another thread and Linus
> merged a fix for this:
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3798ae8c6f3767c726403c2ca6ecc317752c9dd

Yep, can confirm I've seen no reoccurrences since that merge.

Dave

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