softirqd consumes 100% of CPU on kernel 3149

[Doncho N. Gunchev]

On Thursday 2007-05-17 18:52:22 Fulko.Hew at sita.aero wrote:
> 
> fedora-test-list-bounces at redhat.com wrote on 05/17/2007 11:24:08 AM:
> 
> > On Wed, May 16, 2007 at 11:50:00PM -0400, Fulko Hew wrote:
> >  >
> >  > I just updated my FC7t4 system from kernel 3116 to the latest rawhide
> >  > kernel (3149).
> >  > I now see that ksoftirqd/0 consumes 100% of the CPU.
> >  > Fortunately I have a Core 2 Duo, and so the second CPU is still idle.
> >  >
> >  > This problem does not exist on kernel 3116.
> >
> > Do you have 3945 wireless ?
> > I've seen something similar happening.
> 
> Yes.
> 
> And not configured/enabled because I don't know what additional
> software/packages/config/install_process I need to get it to work.
> 
> How _do_ I get my 3945 to run in FC7 ?
> 

Hm, it runs for me but I had the same problem (much more often, with
2.6.21-1.3175.fc7 it works almost always) with older kernels. What
kernel do you have? (btw: 3194 and 3208 break suspend and I have
not tried them seriously).

-- 
Regards,
  Doncho