Laptop troubles...

Adam K Kirchhoff adamk at voicenet.com
Mon Nov 15 11:45:31 PST 2004


Nate Lawson wrote:

> Bruno Ducrot wrote:
>
>> On Tue, Nov 09, 2004 at 03:07:56PM -0800, Nate Lawson wrote:
>>
>>> That's fine, try cx_lowest=C2.  If that works, a workaround is to 
>>> set cx_performance_state=C2 and cx_economy_state=C2 in /etc/rc.conf 
>>> (or something like that, see /etc/defaults/rc.conf for the right 
>>> variable names).  Please send me the output of acpidump -t -d > 
>>> adam.asl separately as an attachment.  I think I will have enough 
>>> with that to debug why C3 is hanging your system.  I'm pretty sure 
>>> the problem area of the commit is in enabling C3 for systems that 
>>> don't have bus master control.
>>>
>>
>> C3 support with a PIIX4 southbridge is buggy as hell and
>> should be disabled no matter what.
>
>
> Right, thanks for the reminder.  I actually have quirk code to do this 
> but it wasn't enabled since I wanted to find an actual test case 
> before turning it on.  Adam, please recompile with the attached 
> patch.  Also, send me pciconf -l.  The patch will disable C3 and you 
> should only get C1/C2 if your system is truly a PIIX4.
>
> Thanks,
> Nate


With that patch, I still have the option of setting C3.  And, if I do, I 
get the lockups.  I'm attaching the output of pciconf -l.

Adam

-------------- next part --------------
agp0 at pci0:0:0:	class=0x060000 card=0x00000000 chip=0x71908086 rev=0x03 hdr=0x00
pcib1 at pci0:1:0:	class=0x060400 card=0x00000000 chip=0x71918086 rev=0x03 hdr=0x01
isab0 at pci0:7:0:	class=0x068000 card=0x00000000 chip=0x71108086 rev=0x02 hdr=0x00
atapci0 at pci0:7:1:	class=0x010180 card=0x00000000 chip=0x71118086 rev=0x01 hdr=0x00
uhci0 at pci0:7:2:	class=0x0c0300 card=0x00000000 chip=0x71128086 rev=0x01 hdr=0x00
none0 at pci0:7:3:	class=0x068000 card=0x00000000 chip=0x71138086 rev=0x03 hdr=0x00
cbb0 at pci0:10:0:	class=0x060700 card=0x0010103c chip=0xac51104c rev=0x00 hdr=0x02
cbb1 at pci0:10:1:	class=0x060700 card=0x0010103c chip=0xac51104c rev=0x00 hdr=0x02
none1 at pci0:11:0:	class=0x020000 card=0x625610b7 chip=0x605510b7 rev=0x10 hdr=0x00
none2 at pci0:11:1:	class=0x078000 card=0x615810b7 chip=0x100710b7 rev=0x10 hdr=0x00
pcm0 at pci0:13:0:	class=0x040100 card=0x0010103c chip=0x1998125d rev=0x00 hdr=0x00
none3 at pci1:0:0:	class=0x030000 card=0x0010103c chip=0x4c4d1002 rev=0x64 hdr=0x00


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