[Bug 37262] VNC access to KVM VM is unusable

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=37262





--- Comment #18 from Avi Kivity <avi@redhat.com>  2011-06-12 17:01:51 ---
Bisect instructions:

install git

$ git clone 
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
$ cd linux-2.6
$ cp /path/to/.config .config

# if you don't have a specialized .config already:
$ make localmodconfig

$ git bisect start v2.6.39 v2.3.39-rc1

$ make -j20 && sudo make modules_install install

[reboot to new kernel]
[test]

If it works okay:

   $ git bisect good

otherwise:

   $ git bisect bad

if git says there is work to do:

    [goto 'make' step]

otherwise:

    post the message that says: xxxxxxxxxxxx is first bad commit

Note: please test v2.6.39 and v2.6.39-rc1 first, to be sure they're bad 
and good, respectively.  You can do that using

   $ git checkout v2.6.39
   $ make -j20 && sudo make modules_install install
   [reboot and test]
   $ git checkout v2.6.39-rc1
   $ make -j20 && sudo make modules_install install
   [reboot and test]

Note2: if the problem also occurs when qemu-kvm is running in a guest, 
you can run all of the tests in a  guest, which should be a more 
pleasant experience.

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