Re: 2.6.12 breaks 8139cp

From: Bjorn Helgaas
Date: Thu Jun 23 2005 - 12:46:01 EST


On Thursday 23 June 2005 1:50 am, Pierre Ossman wrote:
> >On Wednesday 22 June 2005 3:03 pm, Pierre Ossman wrote:
> >>Upgrading from 2.6.11 to 2.6.12 caused my 8139cp network card to stop
> >>working. No error messages are emitted and everything seems to work
> >>(from the local computers point of view). But nothing can be recieved
> >>from the network.
>
> dmesg:s included. But they don't really differ more than some cosmetic
> changes in the output strings.
>
> The problem is I can't find anything that differs. 2.6.12 behaves more
> or less like someone cut of the rx pins in the connector. ifconfig
> doesn't report any errors so it isn't a problem with packets getting
> dropped. tcpdump only shows the outgoing packets.

Your 2.6.11 dmesg mentions the VIA IRQ fixup, but the 2.6.12 one
doesn't. I bet something's broken there.

Can you try the attached debugging patch? And please collect the
output of lspci, too.
Index: work/drivers/pci/quirks.c
===================================================================
--- work.orig/drivers/pci/quirks.c 2005-06-21 13:43:29.000000000 -0600
+++ work/drivers/pci/quirks.c 2005-06-23 10:40:55.000000000 -0600
@@ -510,7 +510,7 @@
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, new_irq);
}
}
-DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_ANY_ID, quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, quirk_via_irq);

/*
* PIIX3 USB: We have to disable USB interrupts that are