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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: Hugh Dickins <hugh@veritas.com>
Cc: Ian Campbell <ijc@hellion.org.uk>,
	linux-kernel@vger.kernel.org, Kel Modderman <kel@otaku42.de>,
	Markus Armbruster <armbru@redhat.com>
Subject: Re: kernel BUG at lib/radix-tree.c:473!
Date: Thu, 14 Aug 2008 10:38:32 -0700	[thread overview]
Message-ID: <48A46D98.1010607@goop.org> (raw)
In-Reply-To: <Pine.LNX.4.64.0808141347480.11013@blonde.site>

Hugh Dickins wrote:
> In both cases it's handling a page fault: I'm curious as to what kind
> of vma this fault is occurring on.  Could you devise a way of getting
> us /proc/<pid>/maps output, together with the faulting address, when
> it hits one of these BUGs?  Or should I try to put together a patch
> for that?
>   

Irritatingly, it looks like the i386 register dump doesn't include cr2.  
My 64-bit dump has cr2 as 00007fb12cb2a000 which is a good solid 
usermode address.  I'll run X under strace to see if that gives a clue 
to what it corresponds to.

    J

  parent reply	other threads:[~2008-08-14 17:39 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-14  7:02 kernel BUG at lib/radix-tree.c:473! Ian Campbell
2008-08-14 10:41 ` Peter Zijlstra
2008-08-14 13:06 ` Hugh Dickins
2008-08-14 14:56   ` Ian Campbell
2008-08-14 17:42     ` Hugh Dickins
2008-08-14 17:38   ` Jeremy Fitzhardinge [this message]
2008-08-14 19:33   ` Jeremy Fitzhardinge
2008-08-14 21:03     ` Hugh Dickins
2008-08-14 22:04       ` Jeremy Fitzhardinge
2008-08-14 22:48         ` Markus Armbruster
2008-08-17 12:09           ` Jaya Kumar
2008-08-17 14:00             ` zhang wenjie
2008-08-14 23:13         ` Johannes Weiner
2008-08-15  0:00           ` Hugh Dickins
2008-08-17 16:19             ` Ian Campbell
2008-08-18  1:32               ` Nick Piggin
2008-08-18  7:54                 ` Ian Campbell
2008-08-18  8:04                   ` Peter Zijlstra
2008-08-18  8:05                   ` Nick Piggin
2008-08-18  8:22                   ` Jaya Kumar
  -- strict thread matches above, loose matches on Subject: below --
2008-08-17  3:37 zhang wenjie

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