Re: [LARTC] Ethernet card interrupt conflict

[N N Ashok <nalkunda@cse.msu.edu>]

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On Sunday 06 April 2003 17:49, yuxiao jia scrawled:
> Hello
>
> Thanks for your reply, when two ethernet card share same IRQ, only one card
> can work
>
> for example eth0 and eth2 share same IRQ, eth0 IP address is 172.16.30.1,
> eth2 is 172.16.50.1,
>
> I only can ping gateway of eth0 (e.g 172.16.30.2), canot ping 172.16.50.2
>
> I try lilo.conf "append="noapic" and change BIOS, do not work for me
>
> I canot undetsand when Linux boot, no matther how I change slot, it only
> can boot 3 ethernet card,
> I can  run "ifconfig eth3 up" make the four card up, but still shared eth0
> and eth2 canot work well
>
> thanks
>
> yuxiao.
>
>
>
> ----- Original Message -----
> From: "N N Ashok" <nalkunda@cse.msu.edu>
> To: "yuxiao jia" <yxjia@site.uottawa.ca>; <lartc@mailman.ds9a.nl>
> Sent: Sunday, April 06, 2003 4:14 PM
> Subject: Re: [LARTC] Ethernet card interrupt conflict
>
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> >
> > On Sunday 30 March 2003 17:20, yuxiao jia scrawled:
> > > Hello all
> > >
> > > I install 4 ethernet card in my Linux router. When I use
> > >
> > > cat /proc/interrupt      it show me two interface use same IRQ
> > >
> > > ...11:...........eth0 and eth2
> > >
> > > I want to know how I can modify the eth0 to another unsued IRQ or avoid
> > > this things happen
> > >
> > > Thanks
> > >
> > > Regrads
> > >
> > > yuxiao
> >
> > I also have such an entry in my /proc/interrupts.
> >  11:     423024          XT-PIC  eth2, eth3
> >
> > They are on a 4-port Ethernet card. Also does this have any negative
>
> effect on
>
> > the performance? Just curious, cos everything seems to be working fine
> > for
>
> me
>
> > now.
> >
> > Thanks,
> > Ashok
> >
<snipped footer>

Hi,
  I just pinged my eth2 and eth3 (which have the same interrupt) and both 
responded properly to the pings. I made each one the default route to my 
machine and there was no problem.

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