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Date: Tue, 20 Dec 2011 21:45:03 +0000
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From: Stefan Hajnoczi <stefanha@gmail.com>
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Subject: Re: [Qemu-devel] [Bug 902148] Re: qemu-img V1.0 hangs on creating
 Image (0.15.1 runs)
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To: Bug 902148 <902148@bugs.launchpad.net>
Cc: richard.sandiford@linaro.org, qemu-devel@nongnu.org

On Tue, Dec 20, 2011 at 4:49 PM, Stefan Hajnoczi <stefanha@gmail.com> wrote:
> On Tue, Dec 20, 2011 at 3:25 PM, Michael Niehren
> <902148@bugs.launchpad.net> wrote:
>> here we are. Attached the tgz. I am using no spezial distribution, it's a self compiled LFS with
>> gcc V4.5.1
>>
>> Is there a different compiler-call if i use --enable-debug, which then
>> works ?
>
> Richard Sandiford looked at your gcc -fdump-tree-all-details output
> and suggests that this bug has been fixed in gcc 4.5.3:
>
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45967
>
> Using the most recent gcc should fix the issue you are seeing.

Besides using a more recent gcc you could also try building with -O0
or -O2 instead of the default -O2 optimization level.  Try
"./configure --extra-cflags=-O1 ...".

Stefan