Re: [PATCH 05/15] Coalesce userspace/kernel irqchip interrupt injection logic.

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Gleb Natapov пишет:
On Wed, Apr 15, 2009 at 03:53:40PM +0400, Dmitry Eremin-Solenikov wrote:
Jan Kiszka пишет:
Dmitry Eremin-Solenikov wrote:
Gleb Natapov wrote:
On Wed, Apr 15, 2009 at 01:30:29PM +0400, Dmitry Eremin-Solenikov wrote:
qemu-x86_64 version 0.10.2 running on i386
Due to problems with qemu-x86_64 I have to boot the 'host' kernel
with 'noapic'.
Do you mean boot 'guest' kernel with noapic? The guest is what runs
inside qemu. So you are able to boot guest with 'noapic'?

What is the command line you are using.
Well, since this caused lot's of questions, here is my setup:

Main host: Debian squeeze, kernel 2.6.28 or .29 (doesn't matter),
qemu-system-x86_64 version 0.10.2

KVM kernel run inside qemu: e3dbe3f408a46a045012f1882e9f62b27b8a616c
from Avi's tree (KVM: x86 emulator: fix call near emulation) + these
patches. I have to boot the kernels (both this kernel and 2.6.26 from
debian) with noapic to w/around APIC problems (I dunno if it's qemu or
bochsbios problem).
And the bios you are using with 0.10.2 is from 0.10.2 (when in doubt,
specify explicitly with -bios and/or -L)? Then this would be a QEMU
upstream bug.
Indeed, there seem to be problems with upstream qemu bios. I was using
the image from the debian's bochsbios package. I asked qemu to use the bios from 0.10.2 release and got slightly different messages. Attached
the kernel log

Now it seems to be a problem with KVM bios. KVM will not work with
upstream bochs or qemu bios only with its own version.

I was talking about qemu-system_x86-64, not about KVM.

--
With best wishes
Dmitry

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