Am Tuesday 15 March 2011 schrieben Sie: > On Mon, Mar 14, 2011 at 10:57 PM, Guido Winkelmann > > <guido-kvml@xxxxxxxxxxxxxxxxx> wrote: > > On Monday 14 March 2011 20:32:23 Stefan Hajnoczi wrote: > >> On Mon, Mar 14, 2011 at 6:05 PM, Guido Winkelmann > >> > >> <guido-kvml@xxxxxxxxxxxxxxxxx> wrote: > >> > Does anybody have an idea what might cause this or what might be done > >> > about it? > >> > >> The lsi_scsi emulation code is incomplete. It does not handle some > >> situations like the ORDERED commands or message 0x0c. > >> > >> There is a patch to address the message 0xc issue, it has not been > >> applied to qemu.git or qemu-kvm.git yet: > >> http://patchwork.ozlabs.org/patch/63926/ > >> > >> Basically there is no one actively maintaining or reviewing patches > >> for the lsi53c895a SCSI controller. > > > > Does that mean that using the SCSI transport for virtual disks is > > officially unsupported or deprecated or that it should be? > > The LSI SCSI emulation in particular has not seen much attention. As > for the wider SCSI emulation there has been work over the past few > months so it's alive and being used. Well, I cannot find any other HBAs than LSI when I run "qemu -device ?" - or at least nothing I would recognize as a SCSI HBA. As far as I can see, that pretty much means I cannot use SCSI disks in KVM at all, unless I'm prepared to live with the problems described earlier... Guido -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
