amd64 S3 patch on HP 6715b: NICs won't work after resume from S3

Nate Lawson nate at root.org
Mon Dec 29 16:19:21 UTC 2008


Coleman Kane wrote:
> I've been testing Jung-uk Kim's recent amd64 suspend patch on my HP
> notebook, and it seems to be very close to working well.
> 
> The notebook goes into S3 state properly, but when it comes back out it
> seems that the hardware is left in a bad state. I cannot attach my
> if_bge and if_ndis network drivers after a resume.

Dump the pci config register states for those devices both before and
after the resume. Where the bits differ is probably where you'll find
the problem.

Example to read 256 bytes:
  pciconf -r pci0:4:0 0:256

-- 
Nate


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