>>>>> On Mon, 5 Dec 2005 12:40:46 -0500, Frank Sweetser <[EMAIL PROTECTED]> 
>>>>> said:

  Frank> 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.

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

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

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

I think you'll have to attach gdb to it to see where this thread looping.

__Martin


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