After Upgrade (RC -> final) -> PCI Passthrough Problems

trendco · Apr 2, 2012

Hi,

today i upgraded my Proxmox-RC1 installation to the Final Version ("aptitude update" & "aptitude full-upgrade"). But now, i have a Problem with one VM who uses PCI-Passthrough:

Failed to assign irq for "hostpci0": Input/output error
Perhaps you are assigning a device that shares an IRQ with another device?
kvm: -device pci-assign,host=03:00.0,id=hostpci0,bus=pci.0,addr=0x10: Device 'pci-assign' could not be initialized

What's the Problem?

Alex

maxprox · Apr 2, 2012

trendco said:
Hi,

today i upgraded my Proxmox-RC1 installation to the Final Version ("aptitude update" & "aptitude full-upgrade"). But now, i have a Problem with one VM who uses PCI-Passthrough:
What's the Problem?
Alex

Hello,

yes I know and I hope it will be resolved in the next version. Have a look at these thread the last posts:

http://forum.proxmox.com/threads/75...interrupt-remapping-support?p=50083#post50083

maxprox

trendco · Apr 2, 2012

Hi maxprox,

thanks, but there is no download for 1.0-3: http://download.proxmox.com/debian/dists/squeeze/pve/binary-amd64/

Alex

maxprox · Apr 2, 2012

just a second please (I don't know why they changed it)
maxprox

maxprox · Apr 2, 2012

EDIT: delete links

.....
I've only tried the version 3.
4 and 5 also expected to work
....

maxprox

maxprox · Apr 2, 2012

Hello Alex,

Which version of qemu-kvm-pve is not working for you?
pve-qemu-kvm: 1.0-7 or the very new version pve-qemu-kvm: 1.0-8?

regards
maxprox

trendco · Apr 2, 2012

Hi maxprox,

after the upgrade to the final Version of Proxmox, "pve-qemu-kvm: 1.0-8" is installed an does not work. But i don't know, which was installed earlier version.

Alex

trendco · Apr 2, 2012

Where can i download ""pve-qemu-kvm: 1.0-6" & "pve-qemu-kvm: 1.0-7" ?

dietmar · Apr 2, 2012

trendco said:
Where can i download ""pve-qemu-kvm: 1.0-6" & "pve-qemu-kvm: 1.0-7" ?

nowhere - those version are only used during beta/RC1, so they are no longer available.

trendco · Apr 2, 2012

Hi Dietmar,

but in earlier Version it works (see maxprox).

What is the Problem with "pve-qemu-kvm: 1.0-8"?
What can i do?

Alex

spirit · Apr 2, 2012

maybe this is related to this recent commit
http://git.kernel.org/?p=virt/kvm/qemu-kvm.git;a=commit;h=6919115a8715c34cd80baa08422d90496f11f5d7

comment from user in mailing:
http://lists.gnu.org/archive/html/qemu-devel/2012-03/msg03210.html

"> This should be "solvable" by passing prefer_msi=on to the pci-assign
> device, or likely by updating your host kernel to latest kvm.git (to> enable INTx sharing)"

dietmar · Apr 2, 2012

trendco said:
Hi Dietmar, but in earlier Version it works (see maxprox). What is the Problem with "pve-qemu-kvm: 1.0-8"?

How should I know that?

trendco said:
What can i do? Alex

Debug it.

spirit · Apr 2, 2012

Could you try this package :
http://odisoweb1.odiso.net/qemu-server_2.0-31_amd64.deb

and put in your vm config file

hostpci0: XX:XX.XX,prefer_msi=on

?

trendco · Apr 2, 2012

Hi spirit,

Could you try this package :
http://odisoweb1.odiso.net/qemu-server_2.0-31_amd64.deb

and put in your vm config file

hostpci0: XX:XX.XX,prefer_msi=on

-> that works!

But caution:

"hostpci0: 03:00.0,prefer_msi=on" -> works
"hostpci0: 03:00.0, prefer_msi=on" -> works not! (space after ',')

Alex

maxprox · Apr 2, 2012

spirit said:
Could you try this package :
http://odisoweb1.odiso.net/qemu-server_2.0-31_amd64.deb
and put in your vm config file
hostpci0: XX:XX.XX,prefer_msi=on
?

Hello Spirit,
On the one hand, I would also like to test it,
on the other side "never change a running system" ...

Code:

drwxr-xr-x  2 root root 4,0K  2. Apr 12:02 test
root@fcprox01:/opt# pveversion -v
pve-manager: 2.0-42 (pve-manager/2.0/3d6d8258)
running kernel: 2.6.32-10-pve
proxmox-ve-2.6.32: 2.0-63
pve-kernel-2.6.32-10-pve: 2.6.32-63
pve-kernel-2.6.32-6-pve: 2.6.32-55
pve-kernel-2.6.32-7-pve: 2.6.32-60
lvm2: 2.02.88-2pve2
clvm: 2.02.88-2pve2
corosync-pve: 1.4.1-1
openais-pve: 1.1.4-2
libqb: 0.10.1-2
redhat-cluster-pve: 3.1.8-3
resource-agents-pve: 3.9.2-3
fence-agents-pve: 3.1.7-1
pve-cluster: 1.0-25
qemu-server: 2.0-28
pve-firmware: 1.0-15
libpve-common-perl: 1.0-21
libpve-access-control: 1.0-17
libpve-storage-perl: 2.0-14
vncterm: 1.0-2
vzctl: 3.0.30-2pve2
vzprocps: 2.0.11-2
vzquota: 3.0.12-3
pve-qemu-kvm: 1.0-3                      <==
ksm-control-daemon: 1.1-1
root@fcprox01:/opt#

This ist RC1 with pve-qemu-kvm changed to 1.0-3 and this combination works for me. Version pve-qemu-kvm 1.0-7 does not.

If I run now aptitude update; & aptitude full-upgrade I get the Version pve-qemu-kvm 1.0-8 and like Alex above I think it will not run.
When I install your version and realize that it also does not work, is it then possible to go back?
I mean, whether it is possible for the current proxmox pve version (stable) to switch pve-qemu-kvm back to 1.0-3?

regards
maxprox

maxprox · Apr 2, 2012

trendco said:
-> that works!
Alex

Hi Alex,

please can you show me your version?
The result of pveversion -v ...

maxprox

trendco · Apr 2, 2012

maxprox said:
Hi Alex,

please can you show me your version?
The result of pveversion -v ...

maxprox

pve-manager: 2.0-54 (pve-manager/2.0/4b59ea39)
running kernel: 2.6.32-10-pve
proxmox-ve-2.6.32: 2.0-63
pve-kernel-2.6.32-10-pve: 2.6.32-63
pve-kernel-2.6.32-7-pve: 2.6.32-60
lvm2: 2.02.88-2pve2
clvm: 2.02.88-2pve2
corosync-pve: 1.4.1-1
openais-pve: 1.1.4-2
libqb: 0.10.1-2
redhat-cluster-pve: 3.1.8-3
resource-agents-pve: 3.9.2-3
fence-agents-pve: 3.1.7-2
pve-cluster: 1.0-26
qemu-server: 2.0-31
pve-firmware: 1.0-15
libpve-common-perl: 1.0-23
libpve-access-control: 1.0-17
libpve-storage-perl: 2.0-16
vncterm: 1.0-2
vzctl: 3.0.30-2pve2
vzprocps: 2.0.11-2
vzquota: 3.0.12-3
pve-qemu-kvm: 1.0-8
ksm-control-daemon: 1.1-1

maxprox · Apr 2, 2012

Hello,

For me it does not work!
Neither the current stable proxmox 2.0 version without changes nor with qemu-server_2.0-31_amd64.deb
both neither with nor without "...,prefer_msi=on"
Only after I've downgrade the pve-qemu-kvm: 1.0-8 to version 1.0-5 it works as bevore

Code:

root@fcprox01:/opt# pveversion -v
pve-manager: 2.0-54 (pve-manager/2.0/4b59ea39)
running kernel: 2.6.32-10-pve
proxmox-ve-2.6.32: 2.0-63
pve-kernel-2.6.32-10-pve: 2.6.32-63
pve-kernel-2.6.32-6-pve: 2.6.32-55
pve-kernel-2.6.32-7-pve: 2.6.32-60
lvm2: 2.02.88-2pve2
clvm: 2.02.88-2pve2
corosync-pve: 1.4.1-1
openais-pve: 1.1.4-2
libqb: 0.10.1-2
redhat-cluster-pve: 3.1.8-3
resource-agents-pve: 3.9.2-3
fence-agents-pve: 3.1.7-2
pve-cluster: 1.0-26
qemu-server: 2.0-33
pve-firmware: 1.0-15
libpve-common-perl: 1.0-23
libpve-access-control: 1.0-17
libpve-storage-perl: 2.0-16
vncterm: 1.0-2
vzctl: 3.0.30-2pve2
vzprocps: 2.0.11-2
vzquota: 3.0.12-3
pve-qemu-kvm: 1.0-8   ==> I've replaced with version 1.0-5
ksm-control-daemon: 1.1-1
root@fcprox01:/opt#

maxprox

spirit · Apr 2, 2012

note:
my qemu-server_2.0-31_amd64.deb is not the version from proxmox (but same version number).
I have just recompiled with adding option to pass prefer_msi=on to config file.

maxprox :do you have tested it with my package ?

rollback pve-qemu-kvm is not an option for the future, as we always update to last kvm version.
Note: we use kvm git devel version, not yet stable 1.1, so maybe this is a bug not yet corrected by kvm devel.

spirit · Apr 2, 2012

I just updated the package

http://odisoweb1.odiso.net/qemu-server_2.0-31_amd64.deb

you could try a new option:

hostpci0: XX:XX.X,prefer_msi=on,share_intx=off

Please test !

After Upgrade (RC -> final) -> PCI Passthrough Problems

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