Re: [Xen-users] X not working under xen

[Dmitry Ivanov <vonami@xxxxxxxxx>]

On Wed, Jul 25, 2012 at 5:42 AM, Sean Anderson <anderssn@xxxxxxxxxxxx> wrote:
> Sorry this isn't a direct reply, but I've just made my account and can't see
> how to reply to an archived email.
>
>>Hello,
>>
>>I'm building a dom0 system from sources and facing a problem with the
>>xorg server. I've successfully compiled and booted a dom0 with xen
>>4.1.2. Everything works fine and Im able to start an HVM Windows
>>domain. Now comes the problem: the Xorg server using either vesa or
>>fbdev driver can't start:
>>
>> - when using the vesa driver it just fails with error messages (see
>>the attached log xorg_vesa.log)
>> - when using the fbdev driver it tries to start but the screen goes
>>blank and I can't get the terminal back. However I can login using a
>>serial cable. I see that dom0 is alive and the Xorg server failed to
> 6>start.
>> ( see the attached log xorg_fbdev.log).
>>
>>CONFIG_DMAR (now it is CONFIG_INTEL_IOMMU) is on per
>>http://wiki.xen.org/wiki/Paravirtualized_DRM. The kernel config is
>>attached as well.
>>
>>Am I missing something to get it working? The Xorg server starts just
>>fine when booting dom0 without xen.
>>Thanks in advance.
>>
>>--
>>Best regards,
>>Dmitry Ivanov
>>
>>A: Because it breaks the logical sequence of discussion
>>Q: Why is top posting bad?
>
> I had a similar problem using Xen 4.1.2 and Arch Linux as dom0, with the
> Nvidia drivers.  Found a workaround here:
> bugs.debian.org/cgi-bin/bugreport.cgi?bug=646987
> Try adding "nopat" to your kernel options in grub (the dom0 kernel line, not
> the xen kernel line) and see if that works?

Yes, that worked. Thanks a lot!

-- 
Best regards,
Dmitry Ivanov

A: Because it breaks the logical sequence of discussion
Q: Why is top posting bad?

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