From: "H. Peter Anvin" <hpa@zytor.com>
To: Hitoshi Mitake <h.mitake@gmail.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>,
Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: segmentation fault of modpost
Date: Wed, 22 Feb 2012 16:13:55 -0800 [thread overview]
Message-ID: <4F4584C3.3040508@zytor.com> (raw)
In-Reply-To: <CAMO-S2gHb1fTvELVuBJ6ew+6WRRuUs8qWRX1HkvcCk1eB-Tpfg@mail.gmail.com>
On 02/21/2012 11:17 PM, Hitoshi Mitake wrote:
> Hi,
>
> I tried to build tip-tree with allmodconfig and ARCH=i386 on x86_64 machine.
> And modpost caused segmentation fault like this:
> modpost[23652]: segfault at 2b53bece3000 ip 00000000004030bb sp
> 00007ffffad8d260 error 4 in modpost[400000+d000]
> # from dmesg
>
> The commit of -tip tree is 64256eb8e9f8cd53100ee6142968df336c54eb32.
>
> Is this problem already reported or solved?
> If not, I'd like to solve this because I need to build all{mod,yes}config
> kernel for testing readq/writeq of x86.
>
I cannot reproduce this on a Fedora 15 development system. I have to
turn off two modules:
CONFIG_SCx200HR_TIMER=n
CONFIG_ANDROID_BINDER_IPC=n
... but modpost runs just fine. It would be good if you could compile
modpost with -g and see where in the code the failure happens.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
prev parent reply other threads:[~2012-02-23 0:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-22 7:17 segmentation fault of modpost Hitoshi Mitake
2012-02-23 0:13 ` H. Peter Anvin [this message]
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