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Date: Wed, 23 Mar 2011 17:14:00 -0000
From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: Erez Zilber <erezzi.list@gmail.com>
Cc: gdb@sourceware.org, Andreas Schwab <schwab@linux-m68k.org>
Subject: Re: Huge pages and gdb
Message-ID: <20110323171411.GA18056@host1.jankratochvil.net>
References: <AANLkTinK_ux8KrnavfBOovFt-nW9mjcgVoUtsJwX0U0=@mail.gmail.com> <m2zkol7oh0.fsf@igel.home>
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On Wed, 23 Mar 2011 18:09:47 +0100, Andreas Schwab wrote:
> Erez Zilber <erezzi.list@gmail.com> writes:
> > (gdb) p pool->mem[0]
> > Cannot access memory at address 0x7f3201400000
> 
> If gdb cannot access the memory then it is not part of the core file.

And which pages are / are not dumped to the core file you can configure by:
/usr/share/doc/kernel-doc-*/Documentation/filesystems/proc.txt
  3.4   /proc/<pid>/coredump_filter - Core dump filtering settings


Regards,
Jan