On 03/31/2010 06:18 PM, Chris Wright wrote:
Hrm, I'm not sure these would be related to the small BAR region patch.
It looks more like a timing issue.
small BAR == slow path == timing issue?
Would be interesting to verify using perf with the 'kvm:kvm_mmio'
software event, see how
2010/3/31 Chris Wright chr...@redhat.com:
* Kenni Lund (ke...@kelu.dk) wrote:
2010/3/31 Chris Wright chr...@redhat.com:
So I suppose I'll need to get rid of this shared IRQ before I can
conclude anything on the patch in git. Hmm, is there some cleaver way
of fixing this in Linux, or do I
2010/3/31 Kenni Lund ke...@kelu.dk:
Booting the guest and tuning to a DVB-T channel _works_ !!! :-D Thanks
a lot for your help...I have one more question, though: If I have two
devices (like the ivtv tuner and the USB card) and they share an IRQ,
if I then assign BOTH of them to the same
Kenni Lund wrote:
2010/3/31 Kenni Lund ke...@kelu.dk:
Booting the guest and tuning to a DVB-T channel _works_ !!! :-D Thanks
a lot for your help...I have one more question, though: If I have two
devices (like the ivtv tuner and the USB card) and they share an IRQ,
if I then assign BOTH of
2010/3/31 Alexander Graf ag...@suse.de:
Kenni Lund wrote:
2010/3/31 Kenni Lund ke...@kelu.dk:
Booting the guest and tuning to a DVB-T channel _works_ !!! :-D Thanks
a lot for your help...I have one more question, though: If I have two
devices (like the ivtv tuner and the USB card) and they
* Kenni Lund (ke...@kelu.dk) wrote:
2010/3/31 Chris Wright chr...@redhat.com:
* Kenni Lund (ke...@kelu.dk) wrote:
2010/3/31 Chris Wright chr...@redhat.com:
So I suppose I'll need to get rid of this shared IRQ before I can
conclude anything on the patch in git. Hmm, is there some cleaver
* Alexander Graf (ag...@suse.de) wrote:
Kenni Lund wrote:
2010/3/31 Kenni Lund ke...@kelu.dk:
Booting the guest and tuning to a DVB-T channel _works_ !!! :-D Thanks
a lot for your help...I have one more question, though: If I have two
devices (like the ivtv tuner and the USB card)
Chris Wright wrote:
* Alexander Graf (ag...@suse.de) wrote:
Kenni Lund wrote:
2010/3/31 Kenni Lund ke...@kelu.dk:
Booting the guest and tuning to a DVB-T channel _works_ !!! :-D Thanks
a lot for your help...I have one more question, though: If I have two
devices (like
2010/3/30 Chris Wright chr...@redhat.com:
* Kenni Lund (ke...@kelu.dk) wrote:
Client dmesg: http://pastebin.com/uNG4QK5j
Host dmesg: http://pastebin.com/jZu3WKZW
I just verified it and I do get the call trace in the host (which
disables IRQ 19, used by the PCI USB card), exactly at the same
On 31.03.2010, at 00:27, Kenni Lund wrote:
2010/3/30 Chris Wright chr...@redhat.com:
* Kenni Lund (ke...@kelu.dk) wrote:
Client dmesg: http://pastebin.com/uNG4QK5j
Host dmesg: http://pastebin.com/jZu3WKZW
I just verified it and I do get the call trace in the host (which
disables IRQ 19,
2010/3/31 Alexander Graf ag...@suse.de:
On 31.03.2010, at 00:27, Kenni Lund wrote:
2010/3/30 Chris Wright chr...@redhat.com:
* Kenni Lund (ke...@kelu.dk) wrote:
Client dmesg: http://pastebin.com/uNG4QK5j
Host dmesg: http://pastebin.com/jZu3WKZW
I just verified it and I do get the call
* Kenni Lund (ke...@kelu.dk) wrote:
2010/3/30 Chris Wright chr...@redhat.com:
* Kenni Lund (ke...@kelu.dk) wrote:
Client dmesg: http://pastebin.com/uNG4QK5j
Host dmesg: http://pastebin.com/jZu3WKZW
I just verified it and I do get the call trace in the host (which
disables IRQ 19, used
2010/3/31 Chris Wright chr...@redhat.com:
So I suppose I'll need to get rid of this shared IRQ before I can
conclude anything on the patch in git. Hmm, is there some cleaver way
of fixing this in Linux, or do I have to fix it by changing BIOS IRQ
settings, disabling hardware and/or moving the
* Kenni Lund (ke...@kelu.dk) wrote:
2010/3/31 Alexander Graf ag...@suse.de:
The easiest thing coming to mind is to unplug the ivtv card for now. It's
really only to verify that the patch does something useful :-).
This was not sufficient. Same issue with the ivtv card unplugged...if
I
* Kenni Lund (ke...@kelu.dk) wrote:
2010/3/31 Chris Wright chr...@redhat.com:
So I suppose I'll need to get rid of this shared IRQ before I can
conclude anything on the patch in git. Hmm, is there some cleaver way
of fixing this in Linux, or do I have to fix it by changing BIOS IRQ
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a multifunction PCI device that I'd like to pass through to KVM.
In order to do that, I'm reading that the PCI memory region must be
4K-page
aligned and the PCI memory resources itself must
On 29.03.2010, at 19:23, Kenni Lund wrote:
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a multifunction PCI device that I'd like to pass through to KVM.
In order to do that, I'm reading that the PCI memory region must be
4K-page
2010/3/29 Alexander Graf ag...@suse.de:
On 29.03.2010, at 19:23, Kenni Lund wrote:
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a multifunction PCI device that I'd like to pass through to KVM.
In order to do that, I'm reading that the
On 30.03.2010, at 01:00, Kenni Lund wrote:
2010/3/29 Alexander Graf ag...@suse.de:
On 29.03.2010, at 19:23, Kenni Lund wrote:
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a multifunction PCI device that I'd like to pass through to
* Alexander Graf (ag...@suse.de) wrote:
On 30.03.2010, at 01:00, Kenni Lund wrote:
2010/3/29 Alexander Graf ag...@suse.de:
On 29.03.2010, at 19:23, Kenni Lund wrote:
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a
2010/3/30 Chris Wright chr...@redhat.com:
* Alexander Graf (ag...@suse.de) wrote:
On 30.03.2010, at 01:00, Kenni Lund wrote:
2010/3/29 Alexander Graf ag...@suse.de:
On 29.03.2010, at 19:23, Kenni Lund wrote:
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C.
* Kenni Lund (ke...@kelu.dk) wrote:
Client dmesg: http://pastebin.com/uNG4QK5j
Host dmesg: http://pastebin.com/jZu3WKZW
I just verified it and I do get the call trace in the host (which
disables IRQ 19, used by the PCI USB card), exactly at the same second
It looks like IRQ 19 is shared
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a multifunction PCI device that I'd like to pass through to KVM.
In order to do that, I'm reading that the PCI memory region must be 4K-page
aligned and the PCI memory resources itself must also
It's only in qemu-kvm.git. Maybe it should go into qemu-kvm-0.12.4 if
there is one
Sent from my iPhone
On Mar 25, 2010, at 9:37 PM, Kenni Lund ke...@kelu.dk wrote:
2010/1/9 Alexander Graf ag...@suse.de:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a multifunction PCI device
On 01/14/2010 09:34 PM, Ryan C. Underwood wrote:
On Thu, Jan 14, 2010 at 09:09:32PM +0200, Avi Kivity wrote:
PCI cards can access system memory directly. If you assign a card
to a guest, the guest will program the card to transfer data to
system memory using guest addresses; since guest
On Thu, Jan 14, 2010 at 12:31:32PM -0600, Ryan C. Underwood wrote:
On Thu, Jan 14, 2010 at 05:54:51PM +0200, Avi Kivity wrote:
On 01/14/2010 05:47 PM, Michael S. Tsirkin wrote:
Michael, I think 'DisINTx-' means the device is not PCI 2.3 compliant?
No it doesn't, just that interrupt
On 15.01.2010, at 14:11, Pasi Kärkkäinen wrote:
On Thu, Jan 14, 2010 at 12:31:32PM -0600, Ryan C. Underwood wrote:
On Thu, Jan 14, 2010 at 05:54:51PM +0200, Avi Kivity wrote:
On 01/14/2010 05:47 PM, Michael S. Tsirkin wrote:
Michael, I think 'DisINTx-' means the device is not PCI 2.3
On 01/11/2010 12:15 AM, Ryan C. Underwood wrote:
I guess I'll run the things I've found by the list to see if I'm off
track or not.
There is this patch:
http://marc.info/?l=xen-develm=124748015304566w=4
which would seem to be related to what I'm doing, trying to pass through
a multifunction
On Thu, Jan 14, 2010 at 03:59:53PM +0200, Avi Kivity wrote:
Also, just for further complication, the Ricoh chip does not support
MSI and shares an IRQ on the system board with the USB host controller.
I have rebound the USB host controller to pci-stub, but I'm not sure if
that totally takes
On 01/14/2010 05:26 PM, Ryan C. Underwood wrote:
On Thu, Jan 14, 2010 at 03:59:53PM +0200, Avi Kivity wrote:
Also, just for further complication, the Ricoh chip does not support
MSI and shares an IRQ on the system board with the USB host controller.
I have rebound the USB
On Thu, Jan 14, 2010 at 05:34:42PM +0200, Avi Kivity wrote:
On 01/14/2010 05:26 PM, Ryan C. Underwood wrote:
On Thu, Jan 14, 2010 at 03:59:53PM +0200, Avi Kivity wrote:
Also, just for further complication, the Ricoh chip does not support
MSI and shares an IRQ on the system
On 01/14/2010 05:47 PM, Michael S. Tsirkin wrote:
Michael, I think 'DisINTx-' means the device is not PCI 2.3 compliant?
No it doesn't, just that interrupt disable bit is not set.
Thanks. Ryan, while kvm doesn't support assigning a device with shared
interrupts now, in the
On Thu, Jan 14, 2010 at 05:54:51PM +0200, Avi Kivity wrote:
On 01/14/2010 05:47 PM, Michael S. Tsirkin wrote:
Michael, I think 'DisINTx-' means the device is not PCI 2.3 compliant?
No it doesn't, just that interrupt disable bit is not set.
Thanks. Ryan, while kvm doesn't support
On 01/14/2010 08:31 PM, Ryan C. Underwood wrote:
On Thu, Jan 14, 2010 at 05:54:51PM +0200, Avi Kivity wrote:
On 01/14/2010 05:47 PM, Michael S. Tsirkin wrote:
Michael, I think 'DisINTx-' means the device is not PCI 2.3 compliant?
No it doesn't, just that interrupt
On Thu, Jan 14, 2010 at 09:09:32PM +0200, Avi Kivity wrote:
PCI cards can access system memory directly. If you assign a card
to a guest, the guest will program the card to transfer data to
system memory using guest addresses; since guest addresses don't
correspond to host addresses,
I have a multifunction PCI device that I'd like to pass through to KVM.
In order to do that, I'm reading that the PCI memory region must be 4K-page
aligned and the PCI memory resources itself must also be exact multiples
of 4K pages.
I have added the following on my kernel command
I guess I'll run the things I've found by the list to see if I'm off
track or not.
There is this patch:
http://marc.info/?l=xen-develm=124748015304566w=4
which would seem to be related to what I'm doing, trying to pass through
a multifunction device (a Ricoh firewire controller which has
I have a multifunction PCI device that I'd like to pass through to KVM.
In order to do that, I'm reading that the PCI memory region must be 4K-page
aligned and the PCI memory resources itself must also be exact multiples
of 4K pages.
I have added the following on my kernel command line:
On 09.01.2010, at 03:45, Ryan C. Underwood wrote:
I have a multifunction PCI device that I'd like to pass through to KVM.
In order to do that, I'm reading that the PCI memory region must be 4K-page
aligned and the PCI memory resources itself must also be exact multiples
of 4K pages.
I
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