Intel GPU kernel driver

[Kostik Belousov]

On Sun, Jul 10, 2011 at 10:54:10PM +0300, Andrey Kosachenko wrote:
> Hi, Konstantin,
> 
> First of all thanks for time and efforts you've spent on the challenge 
> in question!
> 
> I tried to test patches (actually at the moment of writing the latest 
> one is all.4.1.patch) on my laptop (Lenovo ThinkPad T410) with 
> integrated Intel graphics card (Ironlake, 0x00468086).
> 
> To make a long story short, basically it works over here (saying that I 
> meant X server comes up, LVDS operates in native resolution 1440x900, 
> didn't notice any issues with typical desktop applications (text 
> editors, xterm, browser (flash is played smoothly) and so forth)).
> 
> I do really understand that this is pretty early stage of the project, 
> so I did not expect working composite effects and stuff like that 
> (actually I tried desktop effects but X segfaults:
> 
> ===
> (II) intel(0): EDID vendor "LEN", prod id 16438
> (II) intel(0): Printing DDC gathered Modelines:
> (II) intel(0): Modeline "1440x900"x0.0  114.06  1440 1488 1520 2044  900 
> 903 909 930 -hsync -vsync (55.8 kHz)
> (II) intel(0): Modeline "1440x900"x0.0  114.06  1440 1488 1520 2204  900 
> 903 909 1035 -hsync -vsync (51.8 kHz)
> Segmentation fault: 11 at address 0xc
> 
> Fatal server error:
> Caught signal 11 (Segmentation fault: 11). Server aborting
> 
> 
> Please consult the The X.Org Foundation support
>          at http://wiki.x.org
>  for help.
> Please also check the log file at "/var/log/Xorg.0.log" for additional 
> information.
> 
> (II) UnloadModule: "synaptics"
> (II) UnloadModule: "mouse"
> (II) UnloadModule: "kbd"
> (II) AIGLX: Suspending AIGLX clients for VT switch
> (WW) intel(0): drmDropMaster failed: Unknown error: -22
> ===
> 
> so turned it off.
> 
> 
> Anyway things I saw definitely made me think about withdrawal of laptop 
> from my girlfriend (who I granted it nearly a year ago since it was not 
> operational under freebsd) ;).
> 
> So far I'd like to admin 2 issues:
> 
> - switching between vts (Ctrl+Alt+F[1-9]) doesn't work over here, 
> attempt to switch to consoles within range [1-8] leads to garbled screen 
> (https://lh4.googleusercontent.com/-WmDhn1X-Ze0/Thn-O5dfeiI/AAAAAAAAABM/WIX3co3DQaM/s720/20110710_003-1.jpeg) 
> though 9-th (occupied by X) is always displayed properly;
> 
> - attempt to play video (by means of vlc) freezes machine completely. I 
> hasn't spotted it yet (system is installed in zfs and there is no 
> freebsd-swap partition, so I didn't manage to make savecore leave smth. 
> for further investigation);
> 
> PS:
> I didn't mention any listings (pciconf,dmesg,...) however if those 
> considered to be useful/helpful just let me know.

Most likely, GPU hung, and what you saw as working X was operating
without acceleration. Without dmesg, it cannot be diagnosed further.
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