Re: 2.6.18-mm2 networking problem + IRQ panic

[Badari Pulavarty <pbadari@us.ibm.com>]

Andrew Morton wrote:
> On Mon, 02 Oct 2006 16:07:12 -0700
> Badari Pulavarty <pbadari@us.ibm.com> wrote:
>
>   
> > Hi,
> >
> > I am having problem bringing up networking on 2.6.18-mm2.
> > I don't see any interrupts for eth0. I also see "cannot 
> > handle IRQ" panic on shutdown - wondering if they are related..
> >
> > ...
> >     
> yes, this is probably the insert-ioapics-and-local-apic-into-resource-map
> patch.  Does mainline crash too?  It should.  Or at least, it should have
> the same resource allocation errors.
>
>   
Yes. Backing out this solved the problem. (I got the patch from your -mm1
broken out directory and reverted that).

x86_64-mm-insert-ioapics-and-local-apic-into-resource-map

> I've backed that out and applied an updated version.  My current rollup
> (which actually seems to mostly compile now) is at
>
> http://userweb.kernel.org/~akpm/badari.bz2
>
> That's against 2.6.18.  Can you see if that fixes things?
>
>   
> > INIT:do_IRQ: cannot handle IRQ -1
> > ----------- [cut here ] --------- [please bite here ] ---------
> > Kernel BUG at arch/x86_64/kernel/irq.c:118
> > invalid opcode: 0000 [1] SMP
> > last sysfs file: /devices/pci0000:00/0000:00:06.0/irq
> > CPU 1
> > Modules linked in: acpi_cpufreq ipv6 thermal processor fan button
> > battery ac dm_mod floppy parport_pc lp parport
> > Pid: 1, comm: init Not tainted 2.6.18-mm2 #1
> > RIP: 0010:[<ffffffff8020ced0>]
> >
> >     
>
> Once upon a time we'd have got a backtrace from that.
>   
:)

Thanks,
Badari


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