On Tue, Mar 15, 2011 at 1:20 PM, Guido Winkelmann <guido-kvml@xxxxxxxxxxxxxxxxx> wrote: > 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... The LSI controller is the only available PCI SCSI HBA. Are you able to try the patch I linked? http://patchwork.ozlabs.org/patch/63926/ Stefan -- 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
