State of i810 driver?

[Andrew J. Barr]

On Friday 27 October 2006 02:46, Alan Chandler wrote:
> I have just bought myself some new hardware - a Core 2 duo on an Intel
> DG965SS motherboard (which is of course 965G based).
>
> Running the machine in X86 mode, I upgraded the linux kernel to 2.6.19-rc2
> following a note on here which said it was necessary to get an up to date
> agpgart module, and I now seem to have a basically working system.
>
> I am running Debian Unstable - which means the version of the driver as of
> now (in Debian terms its 2:1.7.2-1 - but I think it maps through) is 1.7.2
>
> Running a normal kde desktop it seems to work fine - but as soon as I
> attempt to play a video I get the display driver appearing to crash in some
> form of loop (about 10 seconds long).  The only way out seems to be a hard
> reset of the machine.

I see this too on a DG965RY motherboard. Downgrade to the 1.6.5 version of the 
driver. It's not in the Debian archive anymore but you can get it from 
snapshot.debian.net.

> I did try to capture the log (before it got overwritten on the reboot). 
> The latest time I did it, there was nothing in it after the normal startup.
>  The previous time - the following was at the end - but that was before I
> took out a VideoRam 17000 line from xorg.conf (which I had accidentally
> left in there when I was trying to figure out the problems that required me
> to upgrade to 2.6.19-rc2)
>
> Error in I830WaitLpRing(), now is -2007065991, start is -2007067992
> pgetbl_ctl: 0x3f780001 pgetbl_err: 0x0
> ipeir: 0 iphdr: 0
> LP ring tail: 48 head: f8ec len: 1f001 start 0
> eir: 0 esr: 0 emr: ffdf
> instdone: 0 instpm: 10
> memmode: 0 instps: 0
> hwstam: dfff ier: 0 imr: dfff iir: 0
> space: 63644 wanted 131064
>
> Fatal server error:
> lockup
>
> Error in I830WaitLpRing(), now is -2007062984, start is -2007064985
> pgetbl_ctl: 0x3f780001 pgetbl_err: 0x0
> ipeir: 0 iphdr: 0
> LP ring tail: 50 head: f8ec len: 1f001 start 0
> eir: 0 esr: 0 emr: ffdf
> instdone: 0 instpm: 10
> memmode: 0 instps: 0
> hwstam: dfff ier: 0 imr: dfff iir: 0
> space: 63636 wanted 131064
>
> FatalError re-entered, aborting
> lockup
>
>
> Is this a known problem?  Is the fact that it appears to want 128M as
> opposed to 64M something I can do something about with an option in
> Xorg.conf?
>
>
> I have also seen talk of the "modesetting" branch but I am unclear if I
> need to be thinking about that (since again I think I have read somewhere
> that you need it to change the memory setting from a BIOS derived value).
>
> I saw a thread which suggested that it might be being made available to
> Debian Unstable shortly.  If its needed in order for playing video, then I
> am all for it.

-- 
Andrew Barr

Men go crazy in congregations they only get better one by one.
	-- Sting, "All This Time" (The Soul Cages, 1991)