Greetings Peter, > Sent: Thursday, October 22, 2020 at 8:54 PM > From: "daggs" <daggs@xxxxxxx> > To: "Peter Krempa" <pkrempa@xxxxxxxxxx> > Cc: libvir-list@xxxxxxxxxx > Subject: Re: [PATCH 0/6] qemu: Fix cdrom as SCSI hostdev via -blockdev > > Greetings Peter, > > I've built the os with scsi virtio, now I do see the cdrom, see: > # ls -lia /sys/bus/scsi/devices > total 0 > 7017 drwxr-xr-x 2 root root 0 Oct 22 2020 . > 7015 drwxr-xr-x 4 root root 0 Oct 22 2020 .. > 18874 lrwxrwxrwx 1 root root 0 Oct 22 2020 0:0:0:0 -> ../../../devices/pci0000:00/0000:00:1e.0/0000:06:00.0/0000:07:01.0/virtio2/host0/target0:0:0/0:0:0:0 > 17468 lrwxrwxrwx 1 root root 0 Oct 22 2020 host0 -> ../../../devices/pci0000:00/0000:00:1e.0/0000:06:00.0/0000:07:01.0/virtio2/host0 > 18051 lrwxrwxrwx 1 root root 0 Oct 22 2020 host1 -> ../../../devices/pci0000:00/0000:00:1f.2/ata1/host1 > 18099 lrwxrwxrwx 1 root root 0 Oct 22 2020 host2 -> ../../../devices/pci0000:00/0000:00:1f.2/ata2/host2 > 18147 lrwxrwxrwx 1 root root 0 Oct 22 2020 host3 -> ../../../devices/pci0000:00/0000:00:1f.2/ata3/host3 > 18195 lrwxrwxrwx 1 root root 0 Oct 22 2020 host4 -> ../../../devices/pci0000:00/0000:00:1f.2/ata4/host4 > 18243 lrwxrwxrwx 1 root root 0 Oct 22 2020 host5 -> ../../../devices/pci0000:00/0000:00:1f.2/ata5/host5 > 18291 lrwxrwxrwx 1 root root 0 Oct 22 2020 host6 -> ../../../devices/pci0000:00/0000:00:1f.2/ata6/host6 > 18835 lrwxrwxrwx 1 root root 0 Oct 22 2020 target0:0:0 -> ../../../devices/pci0000:00/0000:00:1e.0/0000:06:00.0/0000:07:01.0/virtio2/host0/target0:0:0 > > I've tested with 6.7.0 and 6.8.0 + your patchset, in both the cdrom is visible, in 6.7.0, the guest's dmesg is filled with theses errors: > [ 57.510366] sr 0:0:0:0: ioctl_internal_command return code = 8000002 > [ 57.510400] sr 0:0:0:0: Sense Key : 0xb [current] > [ 57.510403] sr 0:0:0:0: ASC=0x0 ASCQ=0x6 > > every few seconds these lines are added to the log. > with 6.8.0 + your patchset, I see these outputs only few times in the boot process. here is the dmesg: https://dpaste.com/F32A9B92H > I've inserted a audio cd and expected the os ui to detected it but it didn't. I assume there is another bug there. > anything I can do to help hunting this bug? looks like I was mistaken, I see the same prints in 6.8.0 + your patchset. this means it is not related, so question is, is this a livbirt misconfig or qemu bug? any insights? Thanks, Dagg.
