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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 22137] - unknown segfault in worker MPM child process
Date Thu, 07 Aug 2003 13:51:51 GMT
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=22137

unknown segfault in worker MPM child process





------- Additional Comments From glenn@apache.org  2003-08-07 13:51 -------
I checked pflags and it can only act upon running processes.
Here is the status of all the threads for the child which died.
My reading of this shows that the SEGV occurred in thread 1.

t@1 (l@1) terminated by signal SEGV (Segmentation Fault)
Current function is child_main
 1308               rv = ap_mpm_pod_check(pod);
(/opt/SUNWspro/bin/dbx) threads                                              
o>    t@1  a l@1  ?()   signal SIGSEGV  in _read()
      t@2  b l@2  ?()   LWP suspended   in __signotifywait()
      t@3         ?()   sleep on (unknown)      in _reap_wait()
      t@5         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
      t@6         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
      t@7  a l@5  dummy_worker()        sleep on 0x152bf8       in __lwp_sema_wait()
      t@8  a l@8  dummy_worker()        sleep on 0x152bf8       in __lwp_sema_wait()
      t@9         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@10         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@11         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@12  a l@7  dummy_worker()        sleep on 0x152bf8       in __lwp_sema_wait()
     t@13  a l@4  dummy_worker()        LWP suspended   in ?()
     t@14         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@15         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@16         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@17  a l@9  dummy_worker()        LWP suspended   in _poll()
     t@18         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@19         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@20         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@21  a l@11 dummy_worker()        sleep on 0x152bf8       in __lwp_sema_wait()
     t@22         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@23         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@24  a l@6  dummy_worker()        sleep on 0x152bf8       in __lwp_sema_wait()
     t@25         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@26         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@27         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@28         dummy_worker()        sleep on 0x152bf8       in
_cond_wait_cancel()
     t@29  a l@10 dummy_worker()        sleep on 0x152bf8       in __lwp_sema_wait()

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