Messages in this thread |  | | Date | Fri, 2 Feb 2007 17:47:26 +0100 | From | Adrian Bunk <> | Subject | Re: MSI failure on nForce 430 (WAS: intel 82571EB gigabit fails to see link on 2.6.20-rc5 in-tree e1000 driver (regression)) |
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On Sat, Jan 20, 2007 at 02:34:37PM -0500, Adam Kropelin wrote: > (cc: list trimmed and thread moved to linux-pci) > > I have a PCI-E e1000 card that does not see interrupts on 2.6.20-rc5 > unless CONFIG_PCI_MSI is disabled. An e1000 maintainer indicated that > the PHY state is correct, it's just that the interrupt is not getting > thru to the kernel. Interestingly, on 2.6.19 PHY interrupts get thru ok > with MSI enabled (link status responds appropriately) but packet tx > fails with timeout errors, implying that perhaps MAC interrupts are not > arriving. > > I've attached the contents dmesg, 'lspci -vvv', and 'cat > /proc/interrupts' from 2.6.20-rc5. > > This is an nForce 430 based chipset on a Dell E521 which has had > interrupt routing issues before. Prior to 2.6.19 it had to be booted > with 'noapic' in order to come up at all. It also had USB lockup > problems until I applied the latest BIOS update (v1.1.4). So a BIOS > interrupt routing bug with MSI is not out of the question. > > I'm happy to gather more data or run tests...
Was this regression fixed by Eric's patch that is included in -rc7?
> --Adam
cu Adrian
--
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