[Qemu-devel] Re: no sound in MusicPal with qemu 0.12.2

[Jan Kiszka <jan.kiszka@web.de>]

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malc wrote:
> On Sat, 23 Jan 2010, ondrej drbohlav wrote:
> 
>> Hi there,
>>
>> I have compiled qemu 0.12.2 on an x64 ubuntu (8.10) and run MusicPal
>> in it with SDL.
>> MusicPal works OK but there is no sound.
> 
> Confirmed.
> 
>> I have done essentially the same with qemu 0.11.1. The sound is there
>> (thanks jki for suggesting a previous version).
>>
>> Please find below the configs and logs & contact me if additional info
>> is needed.
>>
>> Cheers, Ondrej
>>
>> 1) qemu-0.12.2
> 
> [..snip..]
> 
> Someone would have to bisect it.

Already done: it's b3a219883ebe21f55a8ee5e7e5b38b9eb309e9c0. But that
patch looks sane. I guess it just revealed a hidden bug in Musicpal's
i2c use. Need to dig deeper.

> 
> BTW, Jan, 2e87c5b937444c1155073f7b10d630e0e383e5d8 doesn't quite do
> what i said helps[1] and conseqently musicpal enters an infinite loop
> again...
> 
> [1] http://lists.gnu.org/archive/html/qemu-devel/2009-09/msg00920.html
> 

OK, I will have to look into the Linux driver code to check the loop
termination conditions again.

Jan


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