Hi Florian,
On 24/07/07, Florian Lohoff <[EMAIL PROTECTED]> wrote:
On Tue, Jul 24, 2007 at 09:50:08AM +0100, Stephen Hemminger wrote:
> The problem is related to power management. The PHY has a number of PCI
configuration
> registers for power control, and the function of these changes based on the
version and
> revision of the chip. The driver does work on older versions of the EC-U, in
> Fujitsu laptop's, it is just the new rev that is broken.
>
> The driver should probably fail smarter (by not loading) if the PHY isn't
powered
> up correctly, but that doesn't help your problem.
>
> The vendor has provided me with documentation on many versions
> of the chip, but I don't have doc's on the lastest revision differences of
the EC Ultra,
> so a proper solution is not easily available. The best method for resolving
this would
> be to first try the vendor driver version of sk98lin and see if that fixes
it. If so,
> then it is easy to change sky2, to match the phy setup in the vendor driver.
> Another possibility is to look for places in sky2 driver where there are
places
> that compare version/revision.
>
> The most likely bits that need to change are in PCI registers: 0x80, 0x84 and
0x88
> You could also load the windows driver and dump PCI config space (with lspci
from
> cygwin), and see what the settings are there.
>
> I am away from my office for a month, and therefore away from any sky2
> hardware for testing.
I'll try the above and keep you posted. The crash itself seems to be a
2.6.23-rc1 regression though. I never experienced this with 2.6.22-rc5
which i was running before.
Can you try to figure out what is causing this crash and then use git-bisect?
Regards,
Michal
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