Re: [Qemu-devel] [Bug 818673] Re: virtio: trying to map MMIO memory

[Stefan Hajnoczi]

On Thu, Aug 25, 2011 at 3:53 PM, David Rando <address@hidden> wrote:
> Do you know if it's something related to the virtio net driver? anyone
> tried going to the e1000 only? i have some machines with e1000 and some
> of them with virtio-net, but i have crash no matter what driver is using
> (but the virtio driver is installed anyway, despite i'm using the
> e1000).
>
> I was searching in the git repository for windows drivers,
> (http://git.kernel.org/?p=virt/kvm/kvm-guest-drivers-
> windows.git;a=history;f=NetKVM/Common/ndis56common.h;hb=HEAD ) but
> couldn't find anything related to this.
>
> Any news? i can't debug the driver, i would do it if i knew how.
>
> David Rando.
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/818673
>
> Title:
>  virtio: trying to map MMIO memory
>
> Status in QEMU:
>  New
>
> Bug description:
>  Qemu host is Core i7, running Linux.  Guest is Windows XP sp3.
>  Often, qemu will crash shortly after starting (1-5 minutes) with a statement 
> "qemu-system-x86_64: virtio: trying to map MMIO memory"
>  This has occured with qemu-kvm 0.14, qemu-kvm 0.14.1, qemu-0.15.0-rc0 and 
> qemu 0.15.0-rc1.
>  Qemu is started as such:
>  qemu-system-x86_64 -cpu host -enable-kvm -pidfile 
> /home/rick/qemu/hds/wxp.pid -drive file=/home/rick/qemu/hds/wxp.raw,if=virtio 
> -m 768 -name WinXP -net nic,model=virtio -net user -localtime -usb -vga qxl 
> -device virtio-serial -chardev spicevmc,name=vdagent,id=vdagent -device 
> virtserialport,chardev=vdagent,name=com.redhat.spice.0 -spice 
> port=1234,disable-ticketing -daemonize -monitor 
> telnet:localhost:12341,server,nowait
>  The WXP guest has virtio 1.1.16 drivers for net and scsi, and the most 
> current spice binaries from spice-space.org.
>
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Vadim,
Have you had any luck reproducing this issue or any advice for David?

Thanks,
Stefan