On Thu, 16 Aug 2007 07:09:48 -0400
"Steven M. Bellovin" <smb@cs.columbia.edu> wrote:

> On Tue, 7 Aug 2007 20:19:58 +0100
> Andrew Doran <ad@NetBSD.org> wrote:
> 
> > On Tue, Aug 07, 2007 at 06:16:21PM +0100, Andrew Doran wrote:
> > 
> > > I think I found the bug. If a thread calls
> > > pthread_cond_timedwait(), and the computed wakeup time is less
> > > than 1 microsecond into the future, then the thread can sleep
> > > indefinitely. I'm testing a fix at the moment..
> > 
> > Ok, I have checked in a fix. I can no longer reproduce the problem
> > using a test case that I was given, although admittedly it does not
> > involve Firefox but instead dynamips (a Cisco emulator). You'll need
> > kernel 4.99.27. I recommend building the latest libc and libpthread
> > just to be sure. libpthread ident is below.
> > 
> > Apologies for the disruption - hopefully this will be the end of it.
> > 
> Since installing these patches, I haven't had any failures -- thanks.
> 
I spoke too soon....

My laptop is now showing a "parked" firefox.  This is 4.99.29 from
Wednesday.  Anything in particular I should do before I kill and
restart it?



		--Steve Bellovin, http://www.cs.columbia.edu/~smb