Re: [2.6.15] running tcpdump on 3c905b causes freeze (reproducable)

[Andrew Morton]

Folkert van Heusden <folkert@xxxxxxxxxxxxxx> wrote:
>
>  > > > > > Have you tried enabling the NMI watchdog?  Enable CONFIG_X86_LOCAL_APIC and
>  > > > > > boot with `nmi_watchdog=1' on the command line, make sure that the NMI line
>  > > > > > of /proc/interrupts is incrementing.
>  > > > > I'll give it a try. I've added it to the append-line in the lilo config.
>  > > > > Am now compiling the kernel.
>  > > > No change. Well, that is: the last message on the console now is
>  > > > "setting eth1 to promiscues mode".
>  > > Did you confirm that the NMI counters in /proc/interrupts are incrementing?
>  > Yes:
>  > root@muur:/home/folkert# for i in `seq 1 5` ; do cat /proc/interrupts  | grep NMI ; sleep 1 ; done
>  > NMI:    6949080    6949067
>  > NMI:    6949182    6949169
>  > NMI:    6949284    6949271
>  > NMI:    6949386    6949373
>  > NMI:    6949488    6949475
> 
>  Is there anything else I can try?

argh.   I haven't forgotten.  Hopefully after -rc1 I'll have more time...

Your report didn't mention whether that card work OK under earlier 2.6
kernels.  If it does, a bit of bisection searching would really help.
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