Messages in this thread | | | Date | Fri, 23 Nov 2001 22:19:17 -0800 | From | Andrew Morton <> | Subject | Re: threads & /proc |
| |
Anton Petrusevich wrote: > > Hi Guys, > > Well, I'm a bit surprised that nobody asked it yet. Do we have sound > thread support? I am able to put my linux-2.4.15-pre{1,7} -- > definitely, and if I remember right, 2.4.14-pre{7,8} too in some strange > state, when any program like top, killall or ps that wanna get some > information from /proc (even midnight commander if you are trying to > look at state of any process) blocks indefinitely. It goes to unclean > shutdown, for example. kill doesn block, but do nothing. (I tried to > kill processes from ls /proc list). And I see it only after several > [unsuccessful] runs of my multithreaded program. Well, I can't say > it's a correctly written program, I am still looking for bugs there. > I don't have 100% way to get into this state, but I suspect some locking > issues with /proc.
I've seen this once, on a semi-production machine which, unfortunately, wasn't set up for diagnostic work. Uniprocessor.
If you can send out some code which demonstrates the bug then that will be invaluable - it will be fixed quickly.
- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |