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Message-ID: <4A5C8239.2060509@acrodea.co.jp>
Date: Tue, 14 Jul 2009 16:03:53 +0300
From: Timo Suoranta <timo.suoranta@acrodea.co.jp>
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Subject: Re: [Qemu-devel] ARM multithreading status
References: <3646AB84-79BE-4327-A732-57661E3C8919@acrodea.co.jp>	<94a0d4530907091440i65d16776vc1b575f9c5a8d454@mail.gmail.com>
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To: Qemu-devel <qemu-devel@nongnu.org>

Some additional information:

- Using clone() instead of pthreads results similar behavior.
- Running simple main(){ for(;;){}; } application inside QEMU ARM Linux
effectively blocks a lot of stuff, like ls (unless cached).

Timo Suoranta wrote:
> Using qemu-system-arm, pthread_create() does not seem to return if I 
> give it function which simply has empty infinite loop. Is that supposed 
> to work? I used this:
> 
> http://people.debian.org/~aurel32/qemu/armel/
> 
> Funny thing is, such test actually works fine if I run it through GDB. 
> No need to step, just run. I've attached my test code below as it is not 
> very long.
> 
> Any ideas? To me it looks like scheduler is not preempting :/
> Thanks!
...

--
timo