Re: tg3 networking issue

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On Mon, 2006-07-17 at 16:27 -0700, Rick Stevens wrote:
[snip]
> > 
> > The ethtool trick did not work. I went back to kernel 2080 and enabled
> > the ati-fglrx module again. All is well now. Maybe this working setup is
> > useful to others although it does not explain why this was happening.
> 
> Hmmm.  An interrupt conflict, possibly?  A lot of video cards use IRQ9,
> and so do some network cards.  Can cause issues...

It seems so except IRQ 19 and IRQ 233 are in play here. Come to think of
it, this is the first time I've seen such a high number being used for
an IRQ. With kernel 2080 and the ati-fglrx module enabled there is no
longer a radeon entry sharing an IRQ with eth0. Actually, looking at the
output below it looks much saner than the one I initially posted when
running kernel 2157. Weird stuff.

[patrick@laptop ~]$ cat /proc/interrupts
           CPU0
  0:    1674389  local-APIC-edge  timer
  1:       5621    IO-APIC-edge  i8042
  8:    2838140    IO-APIC-edge  rtc
 12:       2437    IO-APIC-edge  i8042
 14:     121841    IO-APIC-edge  ide0
 15:      59487    IO-APIC-edge  ide1
 16:          1   IO-APIC-level  yenta
 17:     129627   IO-APIC-level  ATI IXP, ATI IXP Modem
 19:   12221547   IO-APIC-level  eth0
 20:      31059   IO-APIC-level  ohci_hcd:usb1, ohci_hcd:usb2,
ehci_hcd:usb3
 21:       5081   IO-APIC-level  acpi
NMI:       2740
LOC:    1674596
ERR:        124
MIS:          0

Regards,
Patrick



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