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[Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s |
Date: |
Mon, 03 Nov 2008 21:36:52 +0100 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
Anthony Liguori wrote:
> Jan Kiszka wrote:
>> Anthony Liguori wrote:
>>
>>> If anyone notices a slow down, I'd check this revision. There may be
>>> broken bits of code out there that depends on wake up rate. I've done a
>>> fair bit of testing and haven't found any but you never know.
>>>
>>
>> OK, here is one brokenness for you: Musicpal (qemu-arm-system) becomes
>> unusable, sounds is stopping for seconds, even keyboard input is
>> inpossible, including switching to the monitor console. What should I
>> check for? Note that this board uses a ptimer to a PIT to the guest. May
>> this make a difference here?
>>
>
> Keyboard input should be governed by the VGA refresh timer which should
> be firing 30 times a second.
If you mean *the* VGA emulation - there is none, the target is an
embedded ARM board.
>
> How do you have qemu configured?
qemu-system-arm -M musicpal -pflash musicpal.image -snapshot \
-kernel u-boot.image -serial stdio
(I can provide you both privately if you want to play with it.)
> Are you using SDL?
Yes.
> What sound driver
> are you using on the host?
ALSA.
Jan
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- [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Jan Kiszka, 2008/11/02
- [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Anthony Liguori, 2008/11/03
- [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s,
Jan Kiszka <=
- [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Jan Kiszka, 2008/11/03
- [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Anthony Liguori, 2008/11/03
- [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Jan Kiszka, 2008/11/03
- Re: [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, andrzej zaborowski, 2008/11/04
- Re: [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Jan Kiszka, 2008/11/04
- Re: [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, andrzej zaborowski, 2008/11/04
- Re: [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Jamie Lokier, 2008/11/04
- Re: [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, M. Warner Losh, 2008/11/04
- Re: [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, Jan Kiszka, 2008/11/04
- Re: [Qemu-devel] Re: [5578] Increase default IO timeout from 10ms to 5s, M. Warner Losh, 2008/11/04