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From Abhi Auradkar <>
Subject [users@httpd] Segmentation fault while using apr thread pool
Date Thu, 17 Nov 2011 03:22:07 GMT
Hi All, 

  I am facing a problem while using the apr thread pool.
I see a core dump intermittently. This is what the output looks with dbx. 

t@null (l@53) terminated by signal SEGV (no mapping at the fault address)
0x7fb7a948: add_if_empty+0x010c:        st       %i1, [%l2]
(dbx) where
=>[1] add_if_empty(0x0, 0xa9f40, 0xa9e68, 0x0, 0x0, 0xa9e68), at 0x7fb7a948
  [2] add_task(0xa9e68, 0x7f1baa38, 0x2fb7a0, 0x0, 0x1, 0x0), at 0x7fb7ac70
  [3] 0x7f1b4b1c(0xcf060, 0x249dc0, 0x0, 0x0, 0x0, 0x17400), at 0x7f1b4b1c
  [4] 0x7f1b5ecc(0x24af48, 0x249dc0, 0x0, 0x7f1d288c, 0x5c, 0x7f1d21f0), at 0x7f1b5ecc
  [5] ap_run_handler(0x249dc0, 0x8, 0x12f040, 0x9fa18, 0x12f0a8, 0x4), at 0x4197c
  [6] ap_invoke_handler(0x249dc0, 0x0, 0x12f124, 0x0, 0x12f234, 0x0), at 0x41fb4      
  [7] ap_process_request(0x249dc0, 0x0, 0x249dc0, 0x3, 0x9eb28, 0x0), at 0x5e338      
  [8] ap_process_http_connection(0x23dfd0, 0x249dc0, 0x0, 0x9eb28, 0x80000000, 0x9e800), at
  [9] ap_process_connection(0x23dfd0, 0x23dd20, 0x12f548, 0x0, 0xa0238, 0xa0000), at 0x499f4
  [10] worker_thread(0x134818, 0x540, 0x0, 0x23dfd0, 0x9f0d8, 0x32), at 0x6c0cc

Any help help will be really appreciated. 


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