[BUG] oops in net_rx_action on 64-bit powerpc
David Miller
davem at davemloft.net
Fri Oct 24 11:16:14 EST 2008
From: "Brandeburg, Jesse" <jesse.brandeburg at intel.com>
Date: Thu, 23 Oct 2008 14:50:06 -0700
> Chris Friesen wrote:
> > I tried booting a post 2.6.27 -git on a Motorola ATCA6101 (very
> > similar to a Maple board). The first time I booted I got the first
> > log below via the serial console. I rebooted and got as far as a
> > login prompt. I was able to log in via the serial console, but then
> > got an almost identical oops again, as shown in the second log below.
> >
> > I configed out the gigE drivers for the backplane so the only
> > remaining network link was the e100 link used for booting, but the
> > problem remained.
> >
> > Anyone have any idea what might be causing this?
> >
> > Thanks,
> >
> > Chris
> >
> >
> > Starting xinetd: [ OK ]
> > Starting cron: [ OK ]
> > Unable to handle kernel paging request for data at address 0x00100108
>
> that 00100108 pattern looks familiar, I'm not much help here, but I think that had something to do with the list management of the poll_list in a netdev struct.
>
> so now you just have to figure out why someone's netdev struct is becoming NULL. :-)
Usually this is an indication of returning the wrong value from
the driver's ->poll() routine.
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