[openib-general] mthca startup problem

Michael S. Tsirkin mst at mellanox.co.il
Wed Sep 22 09:23:27 PDT 2004


Quoting r. Hal Rosenstock (halr at voltaire.com) "Re: [openib-general] mthca startup problem":
> Roland Dreier wrote:
> > Good, you should be able to compare the IRQ assigned under kernel 2.4
> > with the IRQ you're getting now.  (It might be worth trying the
> > Voltaire stack with your 2.6.8.1 kernel to see if it has the same IRQ
> > problem)
> 
> IRQs are different. For 2.6.8.1, IRQ is 177 whereas for 2.4 it is IRQ28 for
> 2.4.19. dmesg in both cases shows the relevant IRQ -> 2.0. lspci for 02:00.0
> shows pin A routed to the proper IRQ.
> 
> >     hal> I've tried the latter to no avail. Where's the MSI config
> >     hal> to mthca ? I can't seem to find it.
> >
> > It's not an mthca option.  In the main kernel config, it's under
> > something like "bus options".
> 
> I've played with that to no avail.
> 
> >     hal> One more thing: I noticed that when mthca starts up it
> >     hal> displays the following: Sep 20 08:22:53 cn5 kernel:
> >     hal> ib_mthca 0000:02:00.0: FW version 000300000000, max_cmds 64
> >
> >     hal> Does the firmware rev need to be 3.2 ?
> >
> > It wouldn't hurt but I doubt it would help with this problem.
> 
> I'll wait on this until I get past this.
> 
> -- Hal

Hal,
I suggest you try calling the interrupt handler after the timeout
and see if this helps. If it does, this means you missed the interrupt.
If it does not, there's some other problem.

MST



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