Re: 2.6.23-rc1 sky2 boot crash in sky2_mac_intr

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

--
LOG
http://www.stardust.webpages.pl/log/
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux