Mailing List Archive: G33 graphics broken after 2.6.23-rc6

G33 graphics broken after 2.6.23-rc6

Oct 5, 2007, 5:20 PM

Post #1 of 3 (1338 views)

I've got a new-ish system that I've been trying to get working that's
very close; the only things left are networking (which the latest e1000
driver from sf.net might fix) and graphics.

The system is a DG33TL micro ATX motherboard with a 2.13GHz Core 2 Duo
processor and 2GB RAM. The graphics adapter is:

00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express
Integrated Graphics Controller (rev 02) (prog-if 00 [VGA])
Subsystem: Intel Corporation Unknown device 5044
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 22
Region 0: Memory at 90280000 (32-bit, non-prefetchable) [size=512K]
Region 1: I/O ports at 2430 [size=8]
Region 2: Memory at 80000000 (32-bit, prefetchable) [size=256M]
Region 3: Memory at 90100000 (32-bit, non-prefetchable) [size=1M]
Capabilities: [90] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable-
Address: 00000000 Data: 0000
Capabilities: [d0] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

It works fine in the Ubuntu kernels (pre 2.6.22-13) and in mainline through
2.6.23-rc6; since 2.6.23-rc7 (and Ubuntu 2.6.22-13), the X server won't
start up, and I get this at the end of my Xorg.log:

============================================
(II) intel(0): xf86BindGARTMemory: bind key 0 at 0x006ff000 (pgoffset 1791)
(WW) intel(0): xf86BindGARTMemory: binding of gart memory with key 0
at offset 0x6ff000 failed (Invalid argument)

Fatal server error:
Couldn't bind memory for front buffer

============================================

Up until that (II) line, the logs are basically identical, and the working
one just goes into another xf86BindGARTMemory call afterwards, then goes
along its merry way. The version of the Intel X.org driver is
2.1.1-0ubuntu5. I've attached a diff of dmesg outputs for the Ubuntu
2.6.22-12 kernel and 2.6.23-rc9.

Matt

Re: G33 graphics broken after 2.6.23-rc6 [ In reply to ]

kyle at mcmartin

Oct 5, 2007, 9:42 PM

Post #2 of 3 (1254 views)

Permalink

On Fri, Oct 05, 2007 at 08:20:01PM -0400, Matthew Reppert wrote:
> It works fine in the Ubuntu kernels (pre 2.6.22-13) and in mainline through
> 2.6.23-rc6; since 2.6.23-rc7 (and Ubuntu 2.6.22-13), the X server won't
> start up, and I get this at the end of my Xorg.log:
>

AOL. And I was in the middle of watching a bloody movie too.

commit f443675affe3f16dd428e46f0f7fd3f4d703eeab
Author: Zhenyu Wang <zhenyu.z.wang@intel.com>
Date: Tue Sep 11 15:23:57 2007 -0700

intel_agp: fix stolen mem range on G33

G33 GTT stolen memory is below graphics data stolen memory and be seperate,
so don't subtract it in stolen mem counting.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Acked-by: Dave Airlie <airlied@linux.ie>
Cc: Dave Jones <davej@codemonkey.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Looks to be the commit that breaks things.

Regards,
Kyle M.
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Re: G33 graphics broken after 2.6.23-rc6 [ In reply to ]

kyle at mcmartin

Oct 5, 2007, 10:34 PM

Post #3 of 3 (1248 views)

Permalink

On Sat, Oct 06, 2007 at 12:42:21AM -0400, Kyle McMartin wrote:
> commit f443675affe3f16dd428e46f0f7fd3f4d703eeab
> intel_agp: fix stolen mem range on G33
> G33 GTT stolen memory is below graphics data stolen memory and be seperate,
> so don't subtract it in stolen mem counting.
>

Found it, without this corresponding change to xf86-video-intel, this
breaks utterly:

commit 2a8592f2ebcba86b1127aa889155d58a3dc186ca
Author: Zhenyu Wang <zhenyu.z.wang@intel.com>
Date: Wed Sep 5 14:52:56 2007 +0800

Fix G33 GTT stolen mem range

G33 GTT table lives in seperate stolen mem with
graphics data stolen mem.

I think this should be reverted for 2.6.23, it certainly doesn't seem to have
been appropriate for 2.6.23-rc6.

Cheers,
Kyle M.
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