Re: [Qemu-devel] [PATCH][v13] megasas: LSI Megaraid SAS HBA emulation

[Alexander Graf]

On 20.02.2012, at 16:16, Hannes Reinecke wrote:

> On 02/20/2012 04:13 PM, Alexander Graf wrote:
>> 
>> On 20.02.2012, at 16:11, Hannes Reinecke wrote:
>> 
>>> This patch adds an emulation for the LSI Megaraid SAS 8708EM2 HBA.
>>> I've tested it to work with Linux, Windows Vista, and Windows7.
>>> 
>>> Changes since v12:
>>> - Fixup flag setting via properties
>>> - Disable MSI-X per default
>>> - Fixup MSI-X handling
>> 
>> If MSI-X works again, why disable it? :o Does it break in other cases?
>> 
> It doesn't. No idea why.
> That's why I disabled it :-)
> 
> The MSI-X vector is signalled, but nothing on the OS side appear to
> receive it.
> If you got any idea on how to debug it I'm all ears ...

Michael, any ideas? IIRC MSI-X used to work in earlier versions, so something 
recent must've broken it.


Alex