Re: [Qemu-devel] [PATCH v2 6/6] i8259: add -no-spurious-interrupt-hack option

2012-08-27 Thread Anthony Liguori
Matthew Ogilvie mmogilvi_q...@miniinfo.net writes: This patch provides a way to optionally suppress spurious interrupts, as a workaround for systems described below: Some old operating systems do not handle spurious interrupts well, and qemu tends to generate them significantly more often

Re: [Qemu-devel] [PATCH v2 6/6] i8259: add -no-spurious-interrupt-hack option

2012-08-27 Thread Paolo Bonzini
Il 27/08/2012 15:55, Anthony Liguori ha scritto: This patch provides a way to optionally suppress spurious interrupts, as a workaround for systems described below: Some old operating systems do not handle spurious interrupts well, and qemu tends to generate them significantly more often

Re: [Qemu-devel] [PATCH v2 6/6] i8259: add -no-spurious-interrupt-hack option

2012-08-27 Thread Anthony Liguori
Paolo Bonzini pbonz...@redhat.com writes: Il 27/08/2012 15:55, Anthony Liguori ha scritto: This patch provides a way to optionally suppress spurious interrupts, as a workaround for systems described below: Some old operating systems do not handle spurious interrupts well, and qemu

Re: [Qemu-devel] [PATCH v2 6/6] i8259: add -no-spurious-interrupt-hack option

2012-08-24 Thread Matthew Ogilvie
On Fri, Aug 24, 2012 at 07:40:36AM +0200, Jan Kiszka wrote: On 2012-08-23 08:24, Matthew Ogilvie wrote: This patch provides a way to optionally suppress spurious interrupts, [snip] I'm not sure why it only sporadically hits this sequence of events. There doesn't seem to be other IRQs

Re: [Qemu-devel] [PATCH v2 6/6] i8259: add -no-spurious-interrupt-hack option

2012-08-24 Thread Jan Kiszka
On 2012-08-24 10:05, Matthew Ogilvie wrote: On Fri, Aug 24, 2012 at 07:40:36AM +0200, Jan Kiszka wrote: On 2012-08-23 08:24, Matthew Ogilvie wrote: This patch provides a way to optionally suppress spurious interrupts, [snip] I'm not sure why it only sporadically hits this sequence of

[Qemu-devel] [PATCH v2 6/6] i8259: add -no-spurious-interrupt-hack option

2012-08-23 Thread Matthew Ogilvie
This patch provides a way to optionally suppress spurious interrupts, as a workaround for systems described below: Some old operating systems do not handle spurious interrupts well, and qemu tends to generate them significantly more often than real hardware. Examples: - Microport UNIX System

Re: [Qemu-devel] [PATCH v2 6/6] i8259: add -no-spurious-interrupt-hack option

2012-08-23 Thread Jan Kiszka
On 2012-08-23 08:24, Matthew Ogilvie wrote: This patch provides a way to optionally suppress spurious interrupts, as a workaround for systems described below: Some old operating systems do not handle spurious interrupts well, and qemu tends to generate them significantly more often than