On Thu, 5 Jul 2012, Konrad Rzeszutek Wilk wrote:

On Thu, Jul 05, 2012 at 11:00:05PM +0100, M A Young wrote:
On Tue, 3 Jul 2012, Konrad Rzeszutek Wilk wrote:

Besides that..there is:

9846ff1 xen: support pirq_eoi_map
(and its fix) 521394e xen: use the pirq number to check the pirq_eoi_map

In my case it is definitely IRQ related. From xl dmesg I get

If you revert those two, are those issues still present?
(XEN) physdev.c:164: dom0: wrong map_pirq type 3

This is one is due to another one - a fix that went in 3.3 (allowing
PCI domains to work).

(XEN) do_IRQ: 1.240 No irq handler for vector (irq -1)

So vector 240...or 0xf0. That I am not sure about.


(XEN) traps.c:2488:d0 Domain attempted WRMSR 0000000000000079 from
0x00000000000
00000 to 0xffffc90005193030.
(XEN) traps.c:2488:d0 Domain attempted WRMSR 0000000000000079 from
0x00000000000
00000 to 0xffffc9000519b030.
(XEN) do_IRQ: 1.240 No irq handler for vector (irq -1)
(XEN) traps.c:2488:d1 Domain attempted WRMSR 0000000000000079 from
0x00000000000
00000 to 0xffffc900001a9030.
(XEN) do_IRQ: 1.40 No irq handler for vector (irq -1)
(XEN) do_IRQ: 1.240 No irq handler for vector (irq -1)
(XEN) do_IRQ: 1.240 No irq handler for vector (irq -1)

40 and 240 should be IRQ 0 and 1

(XEN) IRQ: 0 affinity:00000000,00000000,00000000,00000001 vec:f0 type=IO-AP
IC-edge    status=00000000 mapped, unbound
(XEN) IRQ: 1 affinity:00000000,00000000,00000000,00000001 vec:28 type=IO-AP
IC-edge    status=00000050 in-flight=0 domain-list=0:  1(----),
(XEN) IO-APIC interrupt information:
(XEN)     IRQ  0 Vec240:
(XEN) Apic 0x00, Pin 2: vec=f0 delivery=LoPri dest=L status=0 polarity=0
irr=0 trig=E mask=0 dest_id:1
(XEN)     IRQ  1 Vec 40:
(XEN) Apic 0x00, Pin 1: vec=28 delivery=LoPri dest=L status=0 polarity=0
irr=0 trig=E mask=0 dest_id:1

Incidentally, I have had IRQ problems with this computer before, eg. see http://lists.xen.org/archives/html/xen-devel/2010-08/msg01390.html though that turned out to be on the xen side.

        Michael Young
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