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[Qemu-devel] Re: Lost interrupts with upstream KVM
From: |
Gleb Natapov |
Subject: |
[Qemu-devel] Re: Lost interrupts with upstream KVM |
Date: |
Fri, 29 May 2009 11:26:41 +0300 |
On Fri, May 29, 2009 at 10:23:24AM +0200, Jan Kiszka wrote:
> Hi Gleb,
>
> with latest kernel modules, namely beginning with 6bc0a1a235 (Remove
> irq_pending bitmap), I'm loosing interrupts with upstream's KVM support.
> After some bisecting, hair-pulling and a bit meditation I added a
> WARN_ON(kvm_cpu_has_interrupt(vcpu)) to kvm_vcpu_ioctl_interrupt, and it
> actually triggered right before the guest got stuck.
>
> This didn't trigger with qemu-kvm (and -no-kvm-irqchip) yet but, on the
> other hand, I currently do not see a potential bug in upstream's
> kvm_arch_pre_run. Could you have a look if you can reproduce,
> specifically if this isn't a KVM kernel issue in the end?
>
Will look at it. Thanks.
--
Gleb.
- [Qemu-devel] Lost interrupts with upstream KVM, Jan Kiszka, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM,
Gleb Natapov <=
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Gleb Natapov, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Jan Kiszka, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Gleb Natapov, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Jan Kiszka, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Gleb Natapov, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Jan Kiszka, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Gleb Natapov, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Jan Kiszka, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Gleb Natapov, 2009/05/29
- [Qemu-devel] Re: Lost interrupts with upstream KVM, Jan Kiszka, 2009/05/29