Re: CVS commit: src/sys

[Tobias Nygren <tnn%NetBSD.org@localhost>]

On Sat, 29 Nov 2008 23:48:12 +0000 (UTC)
Christos Zoulas <christos%netbsd.org@localhost> wrote:

> Modified Files:
>       src/sys/arch/x86/pci: pchb.c
>       src/sys/dev/pci: agp.c agp_i810.c agpreg.h pcidevs
> 
> Log Message:
> Add support for the Intel G45 AGP. From Arnaud Lacombe

Hi,

This commit seems to have broken AGP on i945GME. X.org no longer starts
for me. Reverting agp_i810.c to 1.57 makes it work again.

Any ideas?

dmesg now says:
agp_i810_bind_memory: PGTBL_CTL is 0x3ee7001 - fixing

Xorg.0.log:
(WW) intel(0): ESR is 0x00000010, page table error
(WW) intel(0): PGTBL_ER is 0x00500000, CS instruction GTT PTE, BIN instruction 
GTT PTE
(WW) intel(0): PRB0_CTL (0x000ee001) indicates ring buffer enabled
(WW) intel(0): PRB0_HEAD (0x00000000) and PRB0_TAIL (0x000eb000) indicate ring 
buffer not flushed
(WW) intel(0): Existing errors found in hardware state.
Error in I830WaitLpRing(), timeout for 2 seconds
pgetbl_ctl: 0x3ffc0001 getbl_err: 0x00500000
ipeir: 0x00000000 iphdr: 0x00000000
LP ring tail: 0x0000b008 head: 0x00000000 len: 0x000ee001 start 0x03eed000
eir: 0x0010 esr: 0x0010 emr: 0xffc5
instdone: 0xffc7 instpm: 0x0000
memmode: 0x00000001 instps: 0x400f08c0
hwstam: 0x5001 ier: 0x7001 imr: 0x9001 iir: 0x0020