On Mon, Dec 05, 2005 at 04:58:57PM +0000, Martin Simmons wrote:
> 
> Have you tried strace with the -f option?  In FC3 at least, this traces all
> threads.

I had tried it with -f on FC4, with no good results.  Interestingly, though,
I dragged up an FC3 machine, and it seemed to find and attach to three threads
instead!

It looks like one of the threads was in a tight select/read loop:

2103  select(6, [5], NULL, [5], {0, 0}) = 0 (Timeout)
2103  read(5, 0x8cf3038, 5)             = -1 EAGAIN (Resource temporarily 
unavailable)
2103  select(6, [5], NULL, [5], {0, 0}) = 0 (Timeout)
2103  read(5, 0x8cf3038, 5)             = -1 EAGAIN (Resource temporarily 
unavailable)
2103  select(6, [5], NULL, [5], {0, 0}) = 0 (Timeout)
2103  read(5, 0x8cf3038, 5)             = -1 EAGAIN (Resource temporarily 
unavailable)


-- 
Frank Sweetser fs at wpi.edu  |  For every problem, there is a solution that
WPI Network Engineer          |  is simple, elegant, and wrong. - HL Mencken
    GPG fingerprint = 6174 1257 129E 0D21 D8D4  E8A3 8E39 29E3 E2E8 8CEC


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