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Bug#549606: [linux-image-2.6.30-1-amd64] VIA-Rhine II network interface lost connectivity



On Mon, 2009-10-05 at 14:05 +0200, Jens-Michael Hoffmann wrote:
> On Monday, 5. October 2009 01:29:39 Ben Hutchings wrote:
> > On Mon, 2009-10-05 at 00:15 +0100, Antonio Marcos López Alonso wrote:
> > > > Is this a new problem or did it occur with earlier kernel versions?
> > >
> > > No, it happened also in previous versions. But at least irqpoll/irqfixup
> > > worked pretty well. Now this behavior seems to get worsened even using
> > > these kernel options.
> > >
> > > > Can you try to reproduce this without the nvidia or virtualbox modules
> > > > loaded?
> > >
> > > I can but just to make things faster:
> > >
> > > Jens-Michael,
> > >
> > > Have you got any nvidia/virtualbox modules running in your host? Just to
> > > discard...
> > 
> > The warning message shows all loaded modules, and those aren't included,
> > so this question is answered.
> > 
> > I had a look at the code and the values in the 'transmit timed out'
> > message, and it seems that the NIC has reported a transmit completion
> > but this hasn't been handled.  Perhaps another device sharing its IRQ is
> > misbehaving and causing the IRQ to be disabled.  Please can you send
> > more of the kernel log from before the TX watchdog warning?  Also, if
> > this happens again, please send the contents of /proc/interrupts.
> 
> /proc/interrupts:
>            CPU0       CPU1
>   0:         42          0   IO-APIC-edge      timer
>   1:          0         82   IO-APIC-edge      i8042
>   8:          0          0   IO-APIC-edge      rtc0
>   9:          0          0   IO-APIC-fasteoi   acpi
>  14:          0        109   IO-APIC-edge      ide0
>  17:          5        581   IO-APIC-fasteoi   firewire_ohci
>  18:     350432   19112694   IO-APIC-fasteoi   eth1
>  20:       6365     143067   IO-APIC-fasteoi   sata_via
>  21:          0          0   IO-APIC-fasteoi   uhci_hcd:usb1, ehci_hcd:usb2, uhci_hcd:usb3, uhci_hcd:usb4, uhci_hcd:usb5
>  23:     150373    6348653   IO-APIC-fasteoi   eth2
[...]

OK, that seems to rule out my first hypothesis.

Could you try adding 'noapic' to the kernel command line?

Ben.

-- 
Ben Hutchings
I say we take off; nuke the site from orbit.  It's the only way to be sure.

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