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SubjectRe: [2.6.0-test-9] natsemi oops

Thanks Manfred -- I left out ipx and everything is working great so far.
So count that as an ipx problem instead.

Cheers,
David

Manfred Sproul wrote:

[netdev added to cc list: it looks like a module refcount bug with ipx]

David Liontooth wrote:

>The natsemi oops is triggered in 2.6.0-test9 too.
>
>kernel BUG at include/linux/module.h:296
>
>
That's BUG_ON(module_refcount(module) == 0) in __module_get. I doubt
that the natsemi driver has anything to do with the bug, it looks like a
bug in the ipx core.


----- Original Message -----
From: "David Liontooth"

>
> The natsemi oops is triggered in 2.6.0-test9 too.
>
> kernel BUG at include/linux/module.h:296
>
> Everything freezes.
>
> Am I the only one to get this?
>
> I don't know when it started, but 2.5.69 has no problems.
>
> Cheers,
> David
>
>
> ----- Original Message -----
> From: "David Liontooth"
> Subject: Re: [2.6.0-test-7] natsemi oops
>
> >
> > Correction: I get the oops also when natsemi is compiled as a module.
> > It is triggered not when the module is loaded, but when it is used
> > the first time. Oops (some fragments below) followed by a total freeze;
> > nothing gets logged.
> >
> > Is this a known problem?
> >
> > Is there a workaround?
> >
> > Cheers,
> > David
> >
> >
> > ----- Original Message -----
> > From: David Liontooth
> > Subject: [2.6.0-test-7] natsemi oops
> >
> > >
> > > The 2.6.0-test-7 boots fine and works great -- until I plug
> > > in the ethernet cable. Within a second I get an oops and
> > > everything freezes. Booting with "acpi=off" makes no difference.
> > > If I boot with the ethernet cable plugged in, I get to the
> > > login prompt, and it oopses within a second. If I time it right,
> > > I can log into the machine remotely for one second before it
> > > oopses (so the natsemi driver is working). Very reproducible!
> > > /proc/kmsg is empty.
> > >
> > > If I compile natsemi as a module, I don't get the oops.
> > > However, now the driver is not working -- I can't ping out.
> > > Everything works fine in 2.5.69, which I've been running
> > > since early July.
> > >
> > > Here's some of the oops, taken by hand:
> > >
> > > Process swapper (pid: 0, threadinfo=c042a000 task c03a47a0)
> > >
> > > Stack
> > >
> > > Call trace:
> > >
> > > ipxitf_auto_create
> > > ipx_rcv
> > > netif_receive_skb
> > > process_backlog
> > > net_rx_action
> > > do_softirq
> > > do_IRQ
> > > _stext
> > > common_interrupt
> > > acpi_processor_idle
> > > cpu_idle
> > > start_kernel
> > > unknown_bootoption
> > >
> > > Kernel panic: Fatal exception in interrupt
> > > In interrupt handler -- not syncing
> > >
> > > Configuration, lspci, and dmesg attached.
> > >
> > > Cheers,
> > > David
> > >
> > >
> > >
> > << config-2.6.0-test7-3 >>
> > << dmesg-2.6.0-test7-7 >>
> > << lspci-2.6.0-test7 >>
> >
> > --
--
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