Re: hdd kills vm

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> Sent: Friday, November 03, 2023 at 1:15 PM
> From: "Martin Kletzander" <mkletzan@xxxxxxxxxx>
> To: "daggs" <daggs@xxxxxxx>
> Cc: users@xxxxxxxxxxxxxxxxx
> Subject: Re: hdd kills vm
>
> 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@xxxxxxxxxx>
> >> To: "daggs" <daggs@xxxxxxx>
> >> Cc: users@xxxxxxxxxxxxxxxxx
> >> 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@xxxxxxxxxx>
> >> >> To: "daggs" <daggs@xxxxxxx>
> >> >> Cc: users@xxxxxxxxxxxxxxxxx
> >> >> 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%20Ray%20passthrough.md
> >
> >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.
I'll try with managed=yes


>
> >>
> >> >  <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.
> >> >
> >>
> >
>
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