On Mon, 05 Feb 2007 18:35:06 -0600 Robert Hancock <[EMAIL PROTECTED]> wrote:
> Daniel Barkalow wrote: > > On Sun, 4 Feb 2007, Robert Hancock wrote: > > > >> Something's busted with forcedeth in 2.6.20-rc6-mm3 for me relative to > >> 2.6.20-rc6. There's no errors in dmesg, but it seems no packets ever get > >> received and so the machine can't get an IP address. I tried reverting all > >> the > >> -mm changes to drivers/net/forcedeth.c, which didn't help. The network > >> controller shares an IRQ with the USB OHCI controller which is receiving > >> interrupts, so it doesn't seem like an interrupt routing problem, though I > >> suppose something wierd could be happening there. > > > > IIRC, forcedeth tries to use MSI by default. Perhaps the hardware is using > > it, but the kernel thinks enabling it didn't work? I think there's a > > module option for forcedeth to disable MSI, which might be worth a try to > > see if it has any effect. > > I must have messed something up when testing before - reverting to > forcedeth.c from 2.6.20-rc6 does indeed fix the problem. And it doesn't > seem like no packets at all are received with the -mm3 version (driver > version 0.60), either - if I do a tcpdump I can get Ethernet packets > showing up, but I can't ping my router so it seems like something isn't > getting through properly. With the 2.6.20-rc6 version (driver version > 0.59) it works fine. I switched back and forth between versions and this > seems repeatable. > > I don't think it's MSI related, the CK804 version of these controllers > doesn't support MSI and the driver shouldn't be trying to use it. I > tried the MSI and MSI-X disable options on the 0.60 driver, but that > didn't help. > OK, thanks. Jeff, please note that the forcedeth changes in git-netdev-all have a problem. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html