[blfs-dev] possible problem in intel video driver

Armin K. krejzi at email.com
Thu May 21 10:42:49 PDT 2015


On 05/21/2015 07:28 PM, Ken Moffat wrote:
> I'm slowly bringing up a current desktop system on my intel i3.  I
> built Xorg with the latest versions of everything, but startx did
> not work.  The log showed a segfault in X, consistently.
> 
> After renaming intel_drv.so so that it could not be found, I got a
> running Xorg : it is now using the modesetting driver from
> xorg-server.
> 
> Looking at what has changed since BLFS-7.7, either libdrm-2.4.61 or
> gcc5 are the prime suspects.  So, has anybody got the intel driver
> working with gcc 5 ?  If so, which version of libdrm, please ?
> 
> I'll start googling later, after I've built firefox.  I mention
> libdrm because 2.4.60 (I think) was being blamed for troubles on the
> nouveau list.
> 
> ĸen
> 

Chris narrowed down the issue in using xf86-video-intel with kernel-4.0.
Problem is in the SNA code. Switching to UXA seems to fix the problem.
I am using UXA for a long time now and didn't notice any problems with
either kernel-4.0 or gcc-5.

-- 
Note: My last name is not Krejzi.

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