From: Christoph Hellwig <hch@infradead.org>
To: Philippe De Muyter <phdm@macqel.be>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>,
linux-kernel@vger.kernel.org,
libdc1394-devel@lists.sourceforge.net
Subject: Re: mmap'ed memory in core files ?
Date: Wed, 2 Jul 2008 09:30:13 -0400 [thread overview]
Message-ID: <20080702133013.GA1848@infradead.org> (raw)
In-Reply-To: <20080702105027.GA1111@frolo.macqel>
On Wed, Jul 02, 2008 at 12:50:27PM +0200, Philippe De Muyter wrote:
> Unfortunately, the part that applies to me (I have tested it) is the next one :
>
> Memory-mapped I/O pages such as frame buffer are never dumped, [...],
> regardless of the coredump_filter value.
>
> Is that a design decision, or a mere finding of the way it is implemented
> now ?
It's an implementation issue, and there are patches queue for 2.6.27
that allow gdb access to these regions, which should be easily
extendable to cover core dumps, too.
next prev parent reply other threads:[~2008-07-02 13:30 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-01 13:21 mmap'ed memory in core files ? Philippe De Muyter
2008-07-01 18:16 ` Michael Kerrisk
2008-07-01 21:44 ` Bron Gondwana
2008-07-02 5:14 ` Michael Kerrisk
2008-07-02 6:35 ` Rob Mueller
2008-07-02 11:07 ` Andi Kleen
2008-07-02 11:52 ` Bron Gondwana
2008-07-02 10:50 ` Philippe De Muyter
2008-07-02 10:58 ` Michael Kerrisk
2008-07-02 11:04 ` Philippe De Muyter
2008-07-02 12:24 ` Stefan Richter
2008-07-02 13:16 ` Philippe De Muyter
2008-07-03 3:51 ` Hidehiro Kawai
2008-07-03 9:22 ` Philippe De Muyter
2008-07-04 5:50 ` Hidehiro Kawai
2008-07-04 6:33 ` Stefan Richter
2008-07-04 11:25 ` Philippe De Muyter
2008-07-04 14:29 ` Hugh Dickins
2008-07-04 11:13 ` Philippe De Muyter
2008-07-03 9:37 ` Philippe De Muyter
2008-07-03 16:52 ` [PATCH] ieee1394 : dump mmapped video1394 buffers in core files Philippe De Muyter
2008-07-04 18:33 ` Stefan Richter
2008-07-04 20:49 ` Philippe De Muyter
2008-07-02 13:30 ` Christoph Hellwig [this message]
2008-07-02 11:01 ` mmap'ed memory in core files ? Philippe De Muyter
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