From: Andreas Schwab <schwab@linux-m68k.org>
To: Erez Zilber <erezzi.list@gmail.com>
Cc: gdb@sourceware.org
Subject: Re: Huge pages and gdb
Date: Wed, 23 Mar 2011 17:09:00 -0000 [thread overview]
Message-ID: <m2zkol7oh0.fsf@igel.home> (raw)
In-Reply-To: <AANLkTinK_ux8KrnavfBOovFt-nW9mjcgVoUtsJwX0U0=@mail.gmail.com> (Erez Zilber's message of "Wed, 23 Mar 2011 10:44:59 +0200")
Erez Zilber <erezzi.list@gmail.com> writes:
> My application (running on RHEL 6) calls mmap() to map huge pages.
> After it crashed, I opened gdb with the core file and tried to take a
> look in the huge-pages buffer that was mmapped. I got the following
> error:
>
> gdb) p pool->mem
> $2 = 0x7f3201400000 <Address 0x7f3201400000 out of bounds>
> (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.
Please check with "info target" whether one of the segments cover the
address range. If not, then either the address really is invalid, or it
is an issue with the core producer and gdb cannot do anything about
that.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2011-03-23 17:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-23 8:45 Erez Zilber
2011-03-23 17:09 ` Andreas Schwab [this message]
2011-03-23 17:14 ` Jan Kratochvil
2011-03-27 7:45 ` Erez Zilber
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