From: Chuck Ebbert <76306.1226@compuserve.com>
To: Badari Pulavarty <pbadari@gmail.com>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
Andi Kleen <ak@suse.de>, Jan Beulich <jbeulich@novell.com>,
Andrew Morton <akpm@osdl.org>
Subject: Re: Was: boot failure, "DWARF2 unwinder stuck at 0xc0100199"
Date: Fri, 1 Sep 2006 06:12:51 -0400 [thread overview]
Message-ID: <200609010615_MC3-1-C9FA-ECE6@compuserve.com> (raw)
In-Reply-To: <1157049193.22667.19.camel@dyn9047017100.beaverton.ibm.com>
On Thu, 31 Aug 2006 11:33:13 -0700, Badari Pulavarty wrote:
> As you can see from the following stack - it shows
>
> msync_interval() ->
> set_page_dirty() ->
> __set_page_dirty_buffers()
>
> But actual trace is (looking at the code):
>
> msync_interval() ->
> msync_page_range() ->
> msync_pud_range() ->
> msync_pgd_range() ->
> msync_pte_range() ->
> set_page_dirty() ->
> __set_page_dirty_buffers()
>
> Why is it skipping all msync_page/pud/pgd/pte_range() routines ?
Sometimes this is caused by tail calls, i.e. when the last line
of a function calls another function it can many times be optimized
into a jump.
You can disable this by compiling with CONFIG_FRAME_POINTER=y.
--
Chuck
next reply other threads:[~2006-09-01 10:18 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-01 10:12 Chuck Ebbert [this message]
2006-09-01 10:21 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2006-08-20 1:31 J. Bruce Fields
2006-08-21 6:48 ` Jan Beulich
2006-08-29 8:53 ` Was: " Borislav Petkov
2006-08-29 9:57 ` Jan Beulich
2006-08-29 11:01 ` Borislav Petkov
2006-08-29 11:08 ` Jan Beulich
2006-08-29 11:16 ` Andi Kleen
2006-08-29 13:00 ` Borislav Petkov
2006-08-29 14:36 ` Andi Kleen
2006-08-29 14:59 ` Borislav Petkov
2006-08-30 21:46 ` Badari Pulavarty
2006-08-31 7:35 ` Jan Beulich
2006-08-31 7:41 ` Andi Kleen
2006-08-31 7:48 ` Jan Beulich
2006-08-31 15:02 ` Badari Pulavarty
2006-08-31 15:16 ` Andi Kleen
2006-08-31 16:29 ` Badari Pulavarty
2006-08-31 18:11 ` Badari Pulavarty
2006-08-31 18:10 ` Andi Kleen
2006-08-31 18:33 ` Badari Pulavarty
2006-08-31 18:32 ` Andi Kleen
2006-09-06 6:31 ` Keith Owens
2006-09-06 7:43 ` Andi Kleen
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