linux-kernel - Re: fstat suddenly return -EINVAL [Was: Bus error on make allyesconfig, kernelbuild with HEAD]

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Message-ID: <20101108101920.GA5527@cr0.nay.redhat.com>
Date:	Mon, 8 Nov 2010 18:20:02 +0800
From:	Américo Wang <xiyou.wangcong@...il.com>
To:	Ben Gamari <bgamari.foss@...il.com>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	Américo Wang <xiyou.wangcong@...il.com>,
	Christoph Egger <siccegge@...fau.de>,
	linux-kernel@...r.kernel.org,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	Michal Marek <mmarek@...e.cz>
Subject: Re: fstat suddenly return -EINVAL [Was: Bus error on make
 allyesconfig, kernelbuild with HEAD]

On Sun, Nov 07, 2010 at 06:07:08PM -0500, Ben Gamari wrote:
>On Sun, 7 Nov 2010 23:30:56 +0100, Sam Ravnborg <sam@...nborg.org> wrote:
>> I looked briefly at the fstat implmnetation in the kernel and
>> this did not give me any hints.
>> I therefore changed to subject to attrack attention of more readers.
>> 
>Thanks!
>
>> Can you supply us with a bit more information about your system:
>> - filesystem (as fstat seems to reach filesystem specific code)
>> - glibc version 
>> - box (architecture + 32 or 64 bit kernel)
>> - do you see other things misbehave or is this only a kernel build thing
>> 
>> If you have provided this info in the past I have missed it.
>> 
>The kernel tree resides on an ext4 partition. The machine has two Xeon
>E5520 processors and runs 64-bit Ubuntu 10.04 which uses eglibc 2.11.1.
>Note that the kernel is being cross-compiled for ARM under an
>OpenEmbedded toolchain (have tried both gcc 4.4.4 and 4.5). This is the
>only strange behavior that I know of.
>

But fixdep should be compiled by the host compiler...

So, does this error also occur when you do non-cross compiling on the
same partition?

Thanks for your testing!
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