On Wed, May 25, 2005 at 05:45:29AM +0200, Matthias Buelow wrote:

Once you remove the debugging options..

> uhci3: [GIANT-LOCKED]
> pcm0: [GIANT-LOCKED]

> interrupt                          total       rate
> irq1: atkbd0                        1856          1
> irq13: npx0                            1          0
> irq14: ata0                           94          0
> irq17: wi0                           506          0
> irq20: fxp0 atapci1                73527         72
> irq21: uhci0 ehci0                     1          0
> irq22: uhci1                        4876          4
> irq23: pcm0 uhci3                   1008          0

pcm0 and uhci3 share an interrupt on your system, and both are under
Giant, so they'll fight over it when one receives an interrupt, and
nothing else can run in the kernel when that is happening.  Do you
need USB support?  If not, get rid of it.

Kris

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