Re: [RFT] sky2: pci express error fix

[Stephen Hemminger <shemminger@osdl.org>]

On Fri, 27 Jan 2006 01:11:20 +0900
Kalin KOZHUHAROV <kalin@thinrope.net> wrote:

> Stephen Hemminger wrote:
> > For all those people suffering with pci express errors
> > on the sky2 driver.  The problem is the PCI subsystem sometimes
> > won't let the sky2 driver write to PCI express registers. It depends
> > on the phase of the moon (actually ACPI) and number of devices.
> > 
> > Anyway, this should fix it. Please tell me if it solves it for you.
> 
> Can you describe the bug a bit more? What happens?
> 
> I had a few times something like this:
> 
> [   24.145040] sky2 eth0: phy interrupt status 0x1c40 0xbc0c

> 
> [ 3647.341757] sky2 eth0: phy interrupt status 0x1c40 0xbc4c
>

Looks like a noisy crappy cable causing PHY link status changes.


> after which all network was dead. (and it wasn't a module so had to
> restart). As you can see from the above two logs, sometimes it failed on
> boot, sometimes after an hour. Sourry, I didn't remember the phase of the
> moon, but I can check :-)
> 
> I have two Asus P5GDC-V Deluxe boards, with these chips. One of them is
> happily working with sk98lin (the binary one), the other is dying miserably,
> so now I use r8169 card to be able to isolate the problem (separate mail).
> 
>