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Date:      Tue, 10 Feb 2004 00:52:01 +0900
From:      Hidetoshi Shimokawa <simokawa@sat.t.u-tokyo.ac.jp>
To:        "Petr Holub" <hopet@ics.muni.cz>
Cc:        firewire@freebsd.org
Subject:   Re: too many interupts/sec
Message-ID:  <87bro8gsim.wl@tora.nunu.org>
In-Reply-To: <000401c3ef22$d97584f0$2136fb93@kloboucek>
References:  <87ekt4gu12.wl@tora.nunu.org> <000401c3ef22$d97584f0$2136fb93@kloboucek>

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If you don't mind, can you change "#undef OHCI_DEBUG"
to "#define OHCI_DEBUG" in /sys/dev/firewire/fwohci.c?
It must generate much of output in the storm...

/\ Hidetoshi Shimokawa
\/  simokawa@sat.t.u-tokyo.ac.jp
PGP public key: http://www.sat.t.u-tokyo.ac.jp/~simokawa/pgp.html

At Mon, 9 Feb 2004 16:39:05 +0100,
Petr Holub wrote:
> 
> > Doesn't your fwohci share the irq with other devices?
> > Could you show me the output of 'devinfo -u'?
> 
> BTW: yet another thing that might help chasing the problem.
> It behaves in very deterministic way. I've built the firewire
> as module to be able to use the machine normally and I have
> found following behavior:
> 
> (without X)
> kldload firewire
> (no problems)
> startx
> (interrupt storm)
> kldunload firewire
> (no problems)
> kldload firewire
> (interrupt storm)
> kill X
> (no problems)
> 
> So it occurs deterministicaly when both firewire and X
> are loaded. Unloading any of them (or both of them ;-) )
> helps.
> 
> Petr
> 
> ================================================================
>                             Petr Holub
> CESNET z.s.p.o.                       Supercomputing Center Brno
> Zikova 4                             Institute of Compt. Science
> 162 00 Praha 6, CZ                            Masaryk University
> Czech Republic                     Botanicka 68a, 60200 Brno, CZ 
> e-mail: Petr.Holub@cesnet.cz               phone: +420-549493944
>                                              fax: +420-541212747
>                                        e-mail: hopet@ics.muni.cz
> 
> 



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