[eepro100] shared interrupt (irq)

Christoph Plattner christoph.plattner@alcatel.at
Thu, 11 Oct 2001 08:46:17 +0200


I need a help here ...

Waht is a Line Card and how can it be resetted ?

Bye
	Christoph



Naveen C Joshi wrote:
> 
> Hi Christoph,
> Thanks for early reply.
> 
> >Ad 1 - reboot problem
> >For the answer here I need more information.
> >When it hangs, are there error messages ?
> 
> There is no one error message for hangs. It looks as searching for IP
> address at reboot time and freezes, while it has a static IP address.
> 
> >Do you use NFS ROOT ?
> 
> There is no NFS configured in the machine even.
> >etc ....
> 
> >
> >Ad 2 - interrupt sharing
> >..
> >It is dependent of the devices and resources if there are sharable
> >or not. EEPRO100 devices are shareable, but for example IDE devices
> >(derived from the old ISA technology) are not. So you have problems
> >shareing IRQ15 for the 2nd IDE device and the EEPRO100.
> 
> The EEPRO100 devices are shareable with the pci Line Card. When I gives the
> reboot command to host and manually reboots the line Card also then its ok
> and no problem with eth0. But without resetting the Line Card at reboot time
> it has the same problem as freez the eth0.
> 
> So, I think the interrupt 11 for eth0  which is sharable with line card is
> not refreshing properly.
> 
> Can I refesh it by a script or is it internal problem?
> 
> Pl. reply
> 
> Best regards
> 
> Naveen
> 
> >With friendly regards
> >       Christoph P.
> >
> >Naveen C Joshi wrote:
> > >
> > > Hi all,
> > >
> > > My Last Message was....
> > > ======================================================
> > > I have a problem that I am hoping someone might be able to give me some
> > > insight on.  Let me start at the beginning....
> > >
> > > I have a HardHat linux with kernal 2.2.12-20b and two ethernet interface
> > > card are eepro OEM i82557/82558 10/100 on board.  Whenever I am working
> >on
> > > it remotely and gives the reboot command it always hanged up at etho
> > > enterface at rebooting time.
> > >
> > > If i gives the shutdown command and  boot it next time it comes up
> >without
> > > any problem.
> > >
> > > Is there driver problem or anything else...
> > >
> > > Please give me the right solution as soon as possible.
> > >
> > > Thanks
> > > ==================================================================
> > > After lot of testing and R&D I found that I have the one another Line
> >Card
> > > which is sharing the same interrupt with eth0(eepro100).
> > >
> > > Now I need some help, which can refresh interrupt/clean the modules at
> > > restart time. Because when I gives the 'Shutdown' command it comes up
> >and no
> > > problem, but when I gives 'restart' command it does not comes up. Is
> >there
> > > any kind of solution which can refresh the interrupt at restart time
> >which
> > > is shared interrupt(as 10).
> > >
> > > Pl. give me some hint to resolv this problem.
> > >
> > > Thanks
> > >
> > > Naveen
> > >
> > > _________________________________________________________________
> > > Get your FREE download of MSN Explorer at
> >http://explorer.msn.com/intl.asp
> > >
> > > _______________________________________________
> > > eepro100 mailing list
> > > eepro100@scyld.com
> > > http://www.scyld.com/mailman/listinfo/eepro100
> >
> >
> >------------------------------------------------------------------
> >private:  christoph.plattner@gmx.at
> >company:  christoph.plattner@alcatel.at
> 
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

-- 
  +--------V--------+	Christoph.Plattner@alcatel.at
  |  A L C A T E L  |	-----------------------------
  +-----------------+	Phone: +43 1 27722 3706	
         T A S		Fax:   +43 1 27722 3955