Apache httpd 2.2.21 Segmentation faults

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Hi All, 

  
I am running a apache 2.2.21 on Solaris Sparc. I see the following segmantation faults every now and then. 
Any pointers to whats wrong will be really helpful. 

Thanks.

t@1 (l@1) terminated by signal SEGV (Segmentation Fault)
0xff03e3ac: _read+0x000c:       bcc,pt   %icc,_read+0x20        ! 0xff03e3c0
(dbx) where
current thread: t@1
=>[1] _read(0x4, 0xffbff84b, 0x1, 0x0, 0x0, 0x0), at 0xff03e3ac
  [2] read(0x8, 0xffbff84b, 0x1, 0x0, 0x1cf4, 0x8), at 0xff02ca1c
  [3] ap_mpm_pod_check(0xd6d70, 0x6b854, 0xa0000, 0xff232a00, 0xfff7, 0x0), at 0x6f408
  [4] child_main(0x5, 0xffbff8b4, 0x135d98, 0x1, 0x9f0ec, 0x1b0870), at 0x6cbbc
  [5] perform_idle_server_maintenance(0x0, 0x9f000, 0xafb70, 0x2, 0x5, 0x0), at 0x6d6ac
  [6] server_main_loop(0x0, 0x0, 0x5, 0x9f0b0, 0x0, 0xffbffa78), at 0x6dd10
  [7] ap_mpm_run(0x20, 0xa07d8, 0x9f0b8, 0x0, 0x20, 0x60), at 0x6e000
  [8] main(0x9e800, 0x4b8d0, 0x9ebb4, 0x7ddd0, 0x9d8e8, 0x9e800), at 0x29eac
(dbx) threads
o>    t@1  a  l@1   ?()   signal SIGSEGV in  _read()
      t@3  a  l@3   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
      t@4  a  l@4   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
      t@5  a  l@5   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
      t@6  a  l@6   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
      t@7  a  l@7   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
      t@8  a  l@8   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
      t@9  a  l@9   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@10  a l@10   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@11  a l@11   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@12  a l@12   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@13  a l@13   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@14  a l@14   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@15  a l@15   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@16  a l@16   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@17  a l@17   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@18  a l@18   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@19  a l@19   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@20  a l@20   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@21  a l@21   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@22  a l@22   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@23  a l@23   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@24  a l@24   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@25  a l@25   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@26  a l@26   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@27  a l@27   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@28  a l@28   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@29  a l@29   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@30  a l@30   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@31  a l@31   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@32  a l@32   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@33  a l@33   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@34  a l@34   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@35  a l@35   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@36  a l@36   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@37  a l@37   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@38  a l@38   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@39  a l@39   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@40  a l@40   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@41  a l@41   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@42  a l@42   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@43  a l@43   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@44  a l@44   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@45  a l@45   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@46  a l@46   dummy_worker()   LWP suspended in  _stat64()
     t@47  a l@47   dummy_worker()   LWP suspended in  __lwp_park()
     t@48  a l@48   dummy_worker()   LWP suspended in  __pollsys()
     t@49  a l@49   dummy_worker()   LWP suspended in  __pollsys()
     t@50  a l@50   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@51  a l@51   dummy_worker()   LWP suspended in  strstr()
     t@52  a l@52   dummy_worker()   LWP suspended in  __pollsys()
     t@53  a l@53   dummy_worker()   LWP suspended in  __pollsys()
     t@54  a l@54   dummy_worker()   LWP suspended in  __pollsys()
     t@55  a l@55   dummy_worker()   sleep on 0xff0b5a60  in  __lwp_park()
     t@56  a l@56   dummy_worker()   LWP suspended in  _lstat64()
     t@57  a l@57   dummy_worker()   LWP suspended in  __pollsys()
     t@58  a l@58   dummy_worker()   LWP suspended in  _brk_unlocked()
     t@59  a l@59   dummy_worker()   LWP suspended in  __pollsys()
     t@60  a l@60   dummy_worker()   LWP suspended in  _lstat64()
     t@61  a l@61   dummy_worker()   LWP suspended in  __pollsys()
     t@62  a l@62   dummy_worker()   LWP suspended in  __pollsys()
     t@63  a l@63   dummy_worker()   LWP suspended in  _lstat64()
     t@64  a l@64   dummy_worker()   LWP suspended in  __lwp_park()
     t@65  a l@65   dummy_worker()   LWP suspended in  __pollsys()
     t@66  a l@66   dummy_worker()   sleep on 0x135e30  in  __lwp_park()
     t@67  a l@67   dummy_worker()   LWP suspended in  __lwp_unpark()
     t@68  a l@68   dummy_worker()   LWP suspended in  in <can't get PC>()
     t@69  a l@69   dummy_worker()   LWP suspended in  ___nanosleep()
(dbx)


Apache Version Info
=============

 /usr/local/apache2/bin/httpd -v
Server version: Apache/2.2.21 (Unix)
Server built:   Jan 19 2012 09:52:37
bash-3.00# /usr/local/apache2/bin/httpd -V
Server version: Apache/2.2.21 (Unix)
Server built:   Jan 19 2012 09:52:37
Server's Module Magic Number: 20051115:30
Server loaded:  APR 1.4.5, APR-Util 1.3.12
Compiled using: APR 1.4.5, APR-Util 1.3.12
Architecture:   32-bit
Server MPM:     Worker
  threaded:     yes (fixed thread count)
    forked:     yes (variable process count)
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/worker"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAVE_IPV6 (IPv4-mapped addresses enabled)
 -D APR_USE_PROC_PTHREAD_SERIALIZE
 -D APR_USE_PTHREAD_SERIALIZE
 -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D DYNAMIC_MODULE_LIMIT=128
 -D HTTPD_ROOT="/usr/local/apache2"
 -D SUEXEC_BIN="/usr/local/apache2/bin/suexec"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_ERRORLOG="logs/error_log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"



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