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From: Alexandre Raymond <cerbere@gmail.com>
Date: Mon, 4 Jul 2011 12:59:41 -0400
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Subject: Re: [Qemu-devel] qemu crashes on Mac OS X
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To: Damjan Marion <damjan.marion@gmail.com>
Cc: qemu-devel@nongnu.org

Hi Damjan,

On Fri, Jul 1, 2011 at 10:56 AM, Damjan Marion <damjan.marion@gmail.com> wr=
ote:
>
> On Jul 1, 2011, at 11:17 AM, Damjan Marion (damarion) wrote:
>
>>
>> Hi,
>>
>> I have an issue when I try to run qemu-system-arm on Mac OS X.
>> Sometime between 1 and 15 secs after qemu is started it crashes
>> as shown bellow.
>>
>> Same thing on linux host works fine.
>>
>> Is anybody else experiencing this?
>> Any Hints?
>
> After bisection seems that this starts happening after following patch:
>
> commit 09716e45a05cc0c93bcf55bd0c0888dd678e490f
> Author: Alexander Graf <agraf@suse.de>
> Date: =C2=A0 Thu Jun 9 00:55:37 2011 +0200
>
> =C2=A0 =C2=A0sigfd: use pthread_sigmask
>
>
> diff --git a/compatfd.c b/compatfd.c
> index bd377c4..41586ce 100644
> --- a/compatfd.c
> +++ b/compatfd.c
> @@ -29,7 +29,7 @@ static void *sigwait_compat(void *opaque)
> =C2=A0 =C2=A0 sigset_t all;
>
> =C2=A0 =C2=A0 sigfillset(&all);
> - =C2=A0 =C2=A0sigprocmask(SIG_BLOCK, &all, NULL);
> + =C2=A0 =C2=A0pthread_sigmask(SIG_BLOCK, &all, NULL);
>
> =C2=A0 =C2=A0 while (1) {
>
>
> However before this patch qemu doesn't respond to keyboard (i.e. commit 3=
1b7c261).
>
> Last full working commit is 630ecca.
>
> Thanks,
>
> Damjan
>

Can you try applying the following two patches and see if it solves
your problem?

http://patchwork.ozlabs.org/patch/100348/
http://patchwork.ozlabs.org/patch/100477/

Alexandre