From: Dave Jones <davej@codemonkey.org.uk>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: page_cache_tree_insert WARN_ON hit on 4.8+
Date: Thu, 6 Oct 2016 10:02:17 -0400 [thread overview]
Message-ID: <20161006140217.a7hsj3lzu5v3v6ig@codemonkey.org.uk> (raw)
In-Reply-To: <20161006134145.GA13177@cmpxchg.org>
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
WARNING: multiple messages have this Message-ID (diff)
From: Dave Jones <davej@codemonkey.org.uk>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: page_cache_tree_insert WARN_ON hit on 4.8+
Date: Thu, 6 Oct 2016 10:02:17 -0400 [thread overview]
Message-ID: <20161006140217.a7hsj3lzu5v3v6ig@codemonkey.org.uk> (raw)
In-Reply-To: <20161006134145.GA13177@cmpxchg.org>
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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next prev parent reply other threads:[~2016-10-06 14:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-04 17:09 page_cache_tree_insert WARN_ON hit on 4.8+ Dave Jones
2016-10-04 17:09 ` Dave Jones
2016-10-04 17:34 ` Johannes Weiner
2016-10-04 17:34 ` Johannes Weiner
2016-10-04 17:46 ` Dave Jones
2016-10-04 17:46 ` Dave Jones
2016-10-06 13:41 ` Johannes Weiner
2016-10-06 13:41 ` Johannes Weiner
2016-10-06 14:02 ` Dave Jones [this message]
2016-10-06 14:02 ` Dave Jones
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