too many interupts/sec

Hidetoshi Shimokawa simokawa at sat.t.u-tokyo.ac.jp
Mon Feb 9 07:19:22 PST 2004


At Sun, 8 Feb 2004 21:35:43 +0100,
Petr Holub wrote:
> 
> Hi,
> 
> I've found strange problem after upgrading from 5.1-RELEASE to 5.2-RELEASE
> on my DELL Precision 530. When X server goes up, fwohci device
> starts to eat enormous number of interupts per second (as
> shown by 'systat -vmstat 1') rendering system terribly slow.
> 
> BTW: 5.1-RELEASE had also problems on this maschine as a camera
> connected via firewire was able to crash the machine when the
> camera was turned on. This seems it is OK now and I'm able to
> attach the camera on the fly and grab video using fwcontrol
> without any problem. Except for the tremendous number of interrupts
> per second slowing down whole machine when X is running.
> 
> Any ideas?

Doesn't your fwohci share the irq with other devices?
Could you show me the output of 'devinfo -u'?

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


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