[Bug 28422] X freese in many cases

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=28422

--- Comment #23 from Martin Stolpe <martinstolpe at gmail.com> 2010-06-07 14:49:28 PDT ---
I don't use neither Xen nor KVM, but here's what I think: If I've understood it
correctly they're both designed to do the same thing (they're both hypervisors
for virtual machines, correct me if I'm wrong). So if you're able to use KVM it
would have the following advantages:
  -the kernel component is included in the kernel, so no need to patch the
kernel (Xen will most likely never be integrated into the kernel)
  -you can use a newer kernel ;-)
I'm using Archlinux and I found the following package:
http://aur.archlinux.org/packages.php?ID=29023
The interesting part is, that the Xen patches are taken from gentoo. If you
want to give it a try and build the kernel remember to install the microcode
for your cards: http://gentoo-portage.com/x11-drivers/radeon-ucode

There are some other things you could try out:
You say that you got a segfault. I think this could happen when the Xorg stack
wasn't compiled in the correct order:
 1. kernel
 (2. protos)
 3. xorg-server
 4. libdrm
 5. xf86-video-ati
 6. mesa
You can try to compile 3, 4, 5 and then 6.

If that doesn't help you can try to remove all cards but one and see if you
still get the error. If you still get the segfault with only one card (and one
monitor) installed then I would guess that there is a problem that the
installed Xorg packages don't play nicely together.

Trouble-shooting is unfortunately often a time hog.

Good luck!

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