On Thu, Nov 02, 2023 at 06:06:24PM +0100, daggs wrote:
> Sent: Thursday, November 02, 2023 at 2:34 PM
> From: "Martin Kletzander" <mkletzan(a)redhat.com>
> To: "daggs" <daggs(a)gmx.com>
> Cc: users(a)lists.libvirt.org
> Subject: Re: hdd kills vm
>
> On Wed, Nov 01, 2023 at 10:24:05PM +0100, daggs wrote:
> >> Sent: Wednesday, November 01, 2023 at 10:06 AM
> >> From: "Martin Kletzander" <mkletzan(a)redhat.com>
> >> To: "daggs" <daggs(a)gmx.com>
> >> Cc: users(a)lists.libvirt.org
> >> Subject: Re: hdd kills vm
> >>
[...]
> >> >so bottom line, you suggest the following:
> >> >1. remove the manual cpu pin, let qemu sort that out.
> >>
> >> You might try it, of course pinning it is in the end the better option.
> >>
> >> >2. add a virtio scsi controller and connect the os hdd to it
> >> >3. pass the hss via scsi pt and not dev node
> >> >4. if I able to do #3, no need to add device='lun' as it
won't use the disk option
> >> >
> >>
> >> First try (3), then you don't need to do anything else and if that
> >> succeeds you have the superior configuration. If you can pass through
> >> something that will not remove anything from your host system.
> >>
> >> >Dagg.
> >> >
> >>
> >
> >I've decided to first try #3 as yo suggested, based on this output:
> >$ lsscsi
> >[0:0:0:0] disk ATA WDC WD1003FZEX-0 1A01 /dev/sda
> >[1:0:0:0] disk ATA WDC WD10EZEX-08W 1A02 /dev/sdb
> >[2:0:0:0] disk ATA SAMSUNG HD103SJ 0001 /dev/sdc
> >[3:0:0:0] disk ATA SAMSUNG HD103SJ 0001 /dev/sdd
> >[4:0:0:0] disk ATA ST1000DM005 HD10 00E5 /dev/sde
> >[5:0:0:0] disk ATA WDC WD10EZEX-08W 1A02 /dev/sdf
> >[6:0:0:0] disk Kingston DataTraveler 3.0 0000 /dev/sdg
> >[7:0:0:0] cd/dvd TS8XDVDS TRANSCEND 1.02 /dev/sr0
> >
> >I deduced my data is 0:0:0:0, so I've added this to the file:
>
> I have to trust you here, the link to the XML does not lead anywhere at the moment.
>
used this tutorial:
https://github.com/stevenewbs/blog/blob/master/libvirtd%20qemu%20Blu%20Ra...
new link is here:
https://bpa.st/SU4Q
> ><controller type='scsi' index='0'
model='virtio-scsi'>
> > <address type='pci' domain='0x0000' bus='0x00'
slot='0x0c' function='0x0'/>
> ></controller>
> ><hostdev mode='subsystem' type='scsi'
managed='no'>
>
> With managed='no' you are responsible for detaching and re-attaching the
device
> for it to be accessible to QEMU. With managed='yes' libvirt can do that for
> you. But be really really sure that it is the device you want to plug to the
> guest domain.
so it should work if I set managed to 'yes'?
I think so, make sure it is the right disk. You could also pass through the
whole HBA with type='scsi_host' since it looks like there is nothing else on
that one IIUC.
>
> > <source>
> > <adapter name='scsi_host0'/>
> > <address bus='0' target='0' unit='0'/>
> > </source>
> > <address type='drive' controller='0' bus='0'
target='0' unit='0'/>
> ></hostdev>
> >removed the previous config and tried to boot, the vm didn't booted, the qemu
log shows this:
> >char device redirected to /dev/pts/0 (label charserial0)
> >2023-11-01T05:00:27.949977Z qemu-system-x86_64: vfio: Cannot reset device
0000:07:00.4, depends on group 16 which is not owned.
> >2023-11-01T05:00:28.113089Z qemu-system-x86_64: vfio: Cannot reset device
0000:07:00.4, depends on group 16 which is not owned.
> >2023-11-01T05:01:04.511969Z qemu-system-x86_64: libusb_release_interface: -99
[OTHER]
> >2023-11-01T05:01:04.511993Z qemu-system-x86_64: libusb_release_interface: -99
[OTHER]
> >2023-11-01T17:22:48.200982Z qemu-system-x86_64: libusb_release_interface: -4
[NO_DEVICE]
> >2023-11-01T17:22:48.201015Z qemu-system-x86_64: libusb_release_interface: -4
[NO_DEVICE]
> >2023-11-01T17:22:48.201025Z qemu-system-x86_64: libusb_release_interface: -4
[NO_DEVICE]
> >2023-11-01T17:22:48.201035Z qemu-system-x86_64: libusb_release_interface: -4
[NO_DEVICE]
> >libusb_release_interface: -4 [NO_DEVICE]
> >libusb_release_interface: -4 [NO_DEVICE]
> >libusb_release_interface: -4 [NO_DEVICE]
> >libusb_release_interface: -4 [NO_DEVICE]
> >2023-11-01T20:37:31.246043Z qemu-system-x86_64: vfio: Cannot reset device
0000:07:00.4, depends on group 16 which is not owned.
> >2023-11-01T20:37:31.465993Z qemu-system-x86_64: vfio: Cannot reset device
0000:07:00.4, depends on group 16 which is not owned.
> >2023-11-01T20:38:07.049875Z qemu-system-x86_64: libusb_release_interface: -99
[OTHER]
> >2023-11-01T20:38:07.049910Z qemu-system-x86_64: libusb_release_interface: -99
[OTHER]
> >2023-11-01T20:38:07.050063Z qemu-system-x86_64: libusb_set_interface_alt_setting:
-99 [OTHER]
> >2023-11-01T20:47:47.400781Z qemu-system-x86_64: libusb_release_interface: -99
[OTHER]
> >2023-11-01T20:47:47.400804Z qemu-system-x86_64: libusb_release_interface: -99
[OTHER]
> >2023-11-01 20:47:57.096+0000: shutting down, reason=shutdown
> >2023-11-01 20:57:37.514+0000: shutting down, reason=failed
> >
> >if I keep the scsi part but restore the previous device pt, it boots.
> >any idea why it failed booting?
> >
> >Dagg.
> >
>