All the mail mirrored from lore.kernel.org
 help / color / mirror / Atom feed
From: Chris Mason <clm@fb.com>
To: <dsterba@suse.cz>, Dave Jones <davej@codemonkey.org.uk>,
	<jbacik@fb.com>, Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [4.1-rc7] btrfs related VM_BUG_ON in filemap.c
Date: Tue, 16 Jun 2015 13:19:20 -0400	[thread overview]
Message-ID: <55805A98.9020609@fb.com> (raw)
In-Reply-To: <20150616171443.GS6761@suse.cz>

On 06/16/2015 01:14 PM, David Sterba wrote:
> On Wed, Jun 10, 2015 at 01:43:31PM -0400, Chris Mason wrote:
>> On 06/10/2015 09:40 AM, Dave Jones wrote:
>>> Found this on serial console this morning. The machine had rebooted itself shortly
>>> afterwards (surprising, given I don't have panic-on-oops or similar set).
>>>
>>
>> We had one other report of this a few months ago.  Josef and I read
>> through all of this and decided it was impossible, so someone else must
>> be holding on to that page and unlocking it.
>>
>> (that someone else could easily be btrfs, just not in this code path)
> 
> https://patchwork.kernel.org/patch/6478941/ looks like the fix, bug
> symptoms match the "keywords", I haven't inspected it closely.
> 

That one is in my integration-4.2 branch if you want to give it a shot.

-chris

  reply	other threads:[~2015-06-16 17:19 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-10 13:40 [4.1-rc7] btrfs related VM_BUG_ON in filemap.c Dave Jones
2015-06-10 17:43 ` Chris Mason
2015-06-10 18:42   ` Dave Jones
2015-06-16 17:14   ` David Sterba
2015-06-16 17:19     ` Chris Mason [this message]
2015-06-17 13:35       ` Dave Jones
2015-06-30 19:20         ` Dave Jones
2015-06-30 19:23           ` Josef Bacik
2015-06-30 19:28             ` Dave Jones

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=55805A98.9020609@fb.com \
    --to=clm@fb.com \
    --cc=davej@codemonkey.org.uk \
    --cc=dsterba@suse.cz \
    --cc=jbacik@fb.com \
    --cc=linux-kernel@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.