F9 kernel or firefox periodic freeze?

[stan]

Chuck Anderson wrote:
> kernel-2.6.25.4-30.fc9.i686
> firefox-3.0-0.60.beta5.fc9.i386
>
> I've noticed "recently" that processes are getting stuck in D state 
> for awhile, then they recover.  I caught firefox doing this, and here 
> is what strace said.  strace showed the output stopping at the fsync 
> call for a few seconds at a time.  While it was there, the entire 
> browser was hung--no window refreshes.  The fsync happened a couple 
> times as seen below.  After that, everything came back to life again.  
> All in all, the browser stayed in the frozen state for about 10 or 20 
> seconds.
>
>   
[snip]

known issue, already bugzilla'd


https://bugzilla.redhat.com/show_bug.cgi?id=439908

https://bugzilla.mozilla.org/show_bug.cgi?id=421482