On 02/21/2012 12:04 AM, Michael S. Tsirkin wrote: > On Mon, Feb 20, 2012 at 04:17:05PM +0100, Alexander Graf wrote: >> >> 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 > > Hmm, there were's any recent changes I'm aware of. > Try to check that MSIX vector as qemu sees it > matches the value that the guest set. > If using kvm, compare against kernel as well. > Endian-ness issue somehow? > Are you testing on x86? > Testing on x86_64. But apparently the (linux) driver doesn't activate MSI-X. So either I didn't set it up properly in the HBA emulation or something else went wrong.
Cheers, Hannes -- Dr. Hannes Reinecke zSeries & Storage h...@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
