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

2012-08-27 Thread Anthony Liguori
Paolo Bonzini 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 ten

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 significant

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

2012-08-27 Thread Anthony Liguori
Matthew Ogilvie 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 than > real hardware. T

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 seque

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 IRQ

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

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

2012-08-22 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 V/