On Fri, Dec 27, 2002 at 09:53:32PM -0700, Will Aoki wrote: > Package: libc6 > Version: 2.2.5-11.2 > Severity: important > > On powerpc, when threads terminate, they leave behind zombies. This > renders maradns and other programs that have "safety brakes" to keep > them from spawning too many threads unusable, limits the number of > threads that any process can create during its lifetime (even if it > never has more than a few at any one time), and can lead to a denial of > service when a long-running threaded process hits the process limit. > > I've observed this in mozilla, maradns, and xmms, always on powerpc and > never on other architectures (that I have access to). I'm not aware of > any pthreaded programs that don't do this, so I've concluded that it's > likely to be a libc bug, not a programming error in the various > programs. > > Ways to reproduce: > 1 - sample code below > 2 - run mozilla, open some new windows, then close them again > 3 - run xmms, play a file, hit stop > 4 - launch maradns, perform some recursive queries > > Here is some example code. On i386 and sparc, it dosen't cause zombies, > but on ppc, it generates zombies. (I'm not confident that my sample code > is completely correct, as I'm not familiar with pthreads, but it does > demonstrate the same problem I've seen in other programs.)
Not on my PPC. This seems more likely to be a bug in the benh kernel you're running; I've never seen it, on glibc 2.2.5 or 2.3.1 on PPC. -- Daniel Jacobowitz MontaVista Software Debian GNU/Linux Developer -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
