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Re: [Xen-devel] pvops Dom0 graphics doesnt work with Intel i915

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: [Xen-devel] pvops Dom0 graphics doesnt work with Intel i915
From: sanjay kushwaha <sanjay.kushwaha@xxxxxxxxx>
Date: Fri, 1 Oct 2010 10:06:48 -0700
Cc: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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When I dont use nomodeset option, dom0 boots fine X runs properly. So Fedora 13 (X86_64) distro with stable-2.6.32.x pvops kernel and xen-unstable works fine for i915 without nomodeset option.


On Wed, Sep 29, 2010 at 3:56 PM, sanjay kushwaha <sanjay.kushwaha@xxxxxxxxx> wrote:
Hi Jeremy,
I switched to stable-2.6.32.x branch (which is based) but I get the same problem. Attached is the Xorg.0.log file when I booted with nomodeset option.

interestingly I did not see any kernel or driver crash messages in the dmesg output. I do see these messages multiple times in /var/log/messages

Sep 29 15:40:32 vwifi0 gdm-binary[2244]: WARNING: GdmDisplay: display lasted 0.048984 seconds
Sep 29 15:40:32 vwifi0 gdm-binary[2244]: WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors


On Wed, Sep 29, 2010 at 11:57 AM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
 On 09/29/2010 11:12 AM, sanjay kushwaha wrote:
> Hi Folks,
> I am trying to boot latest xen-unstable on my laptop which has Intel
> i915 graphics. PVOPS dom0 is based (from branch
> xen/stable-2.6.33.x)

Don't use that branch; it isn't supported (in fact, I deleted it a while
ago).  Use xen/stable-2.6.32.x for now.


> and the distro is fedora 13 64-bit. The graphics doesnt come up and it
> seems that i915 driver is crashing multiple times. If I boot in
> run-level 3 (without X) dom0 boots fine.
> I tried booting the dom0 kernel with nomodeset and nopat options
> without any success. I searched on internet and found that multiple
> people have reported similar problem but I could not find any solution.
> Has anybody found a solution or workaround to this problem?
> Thanks,
> Sanjay
> PS: I have another laptop with same version of xen and pvops dom0 but
> it has ATI radeon graphics card. This laptop boots dom0 with graphics
> when I give nomodeset and nopat options (but fails if I dont give
> either of those two options).
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