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

[vrozenfe]

I've made several unsuccessful attempts to reproduce this problem,
running VMs on top of F14 and RHEL6.2

The only one relatively close problem,  reported by our QE, was
https://bugzilla.redhat.com/show_bug.cgi?id=727034 
It must be fixed in our internal repository. (Public repository
is out of sync, but I'm going to update it soon) 

I put our recent  (WHQL candidates) drivers here:
http://people.redhat.com/vrozenfe/virtio-win-prewhql-0.1.zip

Please give them a try and share your experience.

Best,
Vadim.

** Bug watch added: Red Hat Bugzilla #727034
   https://bugzilla.redhat.com/show_bug.cgi?id=727034

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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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