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From: Josef Bacik <josef@redhat.com>
To: Jordan Patterson <jordanp@gmail.com>
Cc: Josef Bacik <josef@redhat.com>, linux-btrfs@vger.kernel.org
Subject: Re: BUG: unable to handle kernel NULL pointer dereference at (null)
Date: Thu, 7 Apr 2011 09:17:12 -0400	[thread overview]
Message-ID: <20110407131712.GF484@dhcp231-156.rdu.redhat.com> (raw)
In-Reply-To: <BANLkTi=hZ2i-kj70yq+=E74oSZZu9G7wtw@mail.gmail.com>

On Wed, Apr 06, 2011 at 02:47:28PM -0600, Jordan Patterson wrote:
> Hi Josef:
> 
> I tried your latest patch, since I had the same issue from the first
> email.  With the patch applied, I am now hitting the
> BUG_ON(block_group->total_bitmaps >= max_bitmaps); in add_new_bitmap
> in
> fs/btrfs/free-space-cache.c:1246 as soon as I mount the filesystem,
> with or without -o clear_cache.
> 
> It works fine in 2.6.38.  I get the same error after mounting with
> clear_cache under 2.6.38 and rebooting into the current kernel with
> your patch.
> 

Do you have a backtrace so I can see how we're getting here?  This is a seperate
issue from the one this patch tries to solve, but now that it seems that's fixed
I will work on this now :).  Thanks,

Josef

  parent reply	other threads:[~2011-04-07 13:17 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-05 17:38 BUG: unable to handle kernel NULL pointer dereference at (null) Johannes Hirte
2011-04-05 17:42 ` Josef Bacik
2011-04-05 18:52   ` Johannes Hirte
2011-04-05 18:53     ` Josef Bacik
2011-04-05 19:21       ` Johannes Hirte
2011-04-05 19:31         ` Josef Bacik
     [not found]           ` <201104052308.53816.johannes.hirte@fem.tu-ilmenau.de>
2011-04-05 21:12             ` Josef Bacik
2011-04-05 22:00               ` Johannes Hirte
2011-04-05 21:57                 ` Josef Bacik
2011-04-06 11:10                   ` Johannes Hirte
2011-04-06 17:15                     ` Josef Bacik
2011-04-06 20:47                       ` Jordan Patterson
2011-04-06 23:42                         ` Johannes Hirte
2011-04-07 13:17                         ` Josef Bacik [this message]
     [not found]                           ` <BANLkTin1MN-QZWGvVE4o0T1_U9B1qtunig@mail.gmail.com>
2011-04-07 15:44                             ` Jordan Patterson
2011-04-07  8:28                       ` Johannes Hirte
2011-07-20 15:12 TB
2011-07-21  4:13 ` Randy Dunlap
2011-11-13 15:18 Andreas Hartmann
2013-08-11  5:53 [cpufreq] " Fengguang Wu
2013-08-12  4:59 ` Viresh Kumar
2014-10-23  6:58 Kevin Wilson
2014-10-23  9:05 ` Paul Bolle

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