Finally got one to run away.. gdb output of the runaway gives: (gdb) where #0 0x28bbcec0 in _thread_sig_handle_pending () from /usr/lib/libc_r.so.5 #1 0x28bbc780 in _thread_sig_handler () from /usr/lib/libc_r.so.5 #2 0x28bbc981 in _thread_sig_handler () from /usr/lib/libc_r.so.5 #3 0x28bbd9f8 in _thread_sig_wrapper () from /usr/lib/libc_r.so.5 #4 0xbfbfd010 in ?? () #5 0x28bbd3e0 in _thread_sig_handle_pending () from /usr/lib/libc_r.so.5 #6 0x28bbcd3f in _thread_sig_check_pending () from /usr/lib/libc_r.so.5 #7 0x28bc2c59 in _thread_kern_scheduler () from /usr/lib/libc_r.so.5 (gdb) gdb of healthy processes gives different data: (gdb) where #0 0x2811d9b3 in read () from /usr/lib/libc.so.5 #1 0x08051212 in ap_read () #2 0x08051703 in read_with_errors () #3 0x0805197a in ap_bgets () #4 0x08060543 in ap_getline () #5 0x080607b9 in read_request_line () #6 0x08060e1d in ap_read_request () #7 0x0805debb in child_main () #8 0x0805e06a in make_child () #9 0x0805e0f8 in startup_children () #10 0x0805e726 in standalone_main () #11 0x0805eef7 in main () #12 0x0804e595 in _start () When one httpd goes bad, others quickly follow as such: PID USERNAME PRI NICE SIZE RES STATE TIME WCPU CPU COMMAND 1397 www 129 0 18972K 12604K RUN 1:03 21.19% 21.19% httpd 1398 www 129 0 18972K 12604K RUN 1:01 21.09% 21.09% httpd 1329 www 129 0 18984K 12608K RUN 1:01 21.00% 21.00% httpd 1415 www 129 0 18984K 12608K RUN 0:15 20.65% 20.65% httpd 1423 smmsp -8 0 3720K 3192K biord 0:01 0.05% 0.05% sendmail 1258 www 96 0 18992K 12624K STOP 5:51 0.00% 0.00% httpd 403 mysql 96 0 45824K 21420K select 0:18 0.00% 0.00% mysqld 242 bind 96 0 5740K 5036K select 0:12 0.00% 0.00% named 1062 www 4 0 23740K 17580K sbwait 0:01 0.00% 0.00% httpd 446 root 96 0 18908K 12544K select 0:01 0.00% 0.00% httpd The newer runaway httpds show the same gdb output as well. On 9/29/06, Joshua Slive <joshua@xxxxxxxx> wrote:
On 9/29/06, Jeff Mohler <speedtoys.racing@xxxxxxxxx> wrote: > I am suffering from runaway httpd processes, and I dont understand > enough about systems at this level, to understand why. > > I asked my server "admin" (IE: Smart helper) to add PHP support and a > few other minor things to the environment, which has been stable since > 2002. > > Now, the httpd process randomly starts to run away with the whole machine. > > I stumbled into ktrace, and Ive found some fnctl calls that go > nowhere, and tonight I caught it starting actually: A gdb backtrace might be more informative: http://httpd.apache.org/dev/debugging.html#backtrace Joshua. --------------------------------------------------------------------- The official User-To-User support forum of the Apache HTTP Server Project. See <URL:http://httpd.apache.org/userslist.html> for more info. To unsubscribe, e-mail: users-unsubscribe@xxxxxxxxxxxxxxxx " from the digest: users-digest-unsubscribe@xxxxxxxxxxxxxxxx For additional commands, e-mail: users-help@xxxxxxxxxxxxxxxx
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