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[Qemu-devel] [Bug 1175513] Re: Qemu 1.5-git gpu clock control doesn`t wo
From: |
Alex Williamson |
Subject: |
[Qemu-devel] [Bug 1175513] Re: Qemu 1.5-git gpu clock control doesn`t work after guest reboot |
Date: |
Mon, 06 May 2013 20:05:26 -0000 |
So the result is:
HD6850 - works fully, host hang on guest poweroff
GT210 - works fully, no host issues
Is that correct? Are you attempting to rebind the HD6850 to host
drivers after qemu is shutdown, or does the host hang happen prior to
where that would be possible? What about killing qemu with a ^C, does
it hang the host the same way? If you could run the host in text mode
or with a serial or net console so we can see if there are any messages
prior to the hang, that would be extremely useful.
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https://bugs.launchpad.net/bugs/1175513
Title:
Qemu 1.5-git gpu clock control doesn`t work after guest reboot
Status in The Linux Kernel:
New
Status in QEMU:
New
Bug description:
I run qemu from git with such command:
qemu-system-x86_64 -nodefaults -m 4096 -smp 8,cores=4,threads=2,sockets=1
-cpu 'kvm64' -device usb-mouse -M q35 -vga qxl -no-hpet -boot once=c,menu=on
-device vfio-pci,host=02:00.0,x-vga=on \
-enable-kvm -monitor stdio -chardev
socket,path=/tmp/qga.sock,server,nowait,id=qga0 -device virtio-serial -device
virtserialport,chardev=qga0,name=org.qemu.guest_agent.0 -net
nic,vlan=0,model=e1000 -net tap,ifname=tap0,script=/etc/guest-ifup -usb -device
intel-hda -device hda-duplex \
-drive
file='/home/<user>/qemu/win7',if=none,id=drive-virtio-disk0,cache=writeback,aio=native,format=qed,discard=on
-device virtio-blk-pci,drive=drive-virtio-disk0,id=virtio-disk \
-drive
file='/dev/sr0',if=none,id=drive-ide1-0-0,media=cdrom,snapshot=off,format=raw
-device ide-drive,bus=ide.1,unit=0,drive=drive-ide1-0-0,id=ide1-0-0 \
-spice port=5930,disable-ticketing
Before guest (Windows 7) reboot, videocard works in 3D mode with full
frequency. But after reboot videocard works in 3D only with powersafe
frequency. Then I must reboot host for recover gpu clock control.
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