Hello
The same segfault I have on apache 2.2.17 with mpm-peruser 0.3, running
on freebsd 8.1.
Michal Kumzak
Dne 6.1.2011 18:01, Dave Steinberg napsal(a):
Hello list, I'm getting signal 11 messages in my error log, and I've
managed to get core dumps from my httpd proc. Here's a snippit of
what I'm seeing in gdb:
(gdb) bt
#0 apr_palloc (pool=0x80f712028, in_size=Variable "in_size" is not
available.
) at memory/unix/apr_pools.c:252
#1 0x000000080102ba60 in apr_pstrcat (a=Variable "a" is not available.
) at strings/apr_strings.c:149
#2 0x000000000044902c in pass_request (r=0x80f7120a0,
child=0x8005a8598) at peruser.c:1510
#3 0x00000000004494a9 in peruser_post_read (r=0x80f7120a0) at
peruser.c:3407
#4 0x000000000042916a in ap_run_post_read_request (r=0x80f7120a0) at
protocol.c:1671
#5 0x000000000042b4ce in ap_read_request (conn=0x80f706298) at
protocol.c:1011
#6 0x00000000004407d3 in ap_process_http_connection (c=0x80f706298)
at http_core.c:183
#7 0x000000000043d0d2 in ap_run_process_connection (c=0x80f706298) at
connection.c:43
#8 0x000000000044a174 in process_socket (p=0x80f706028,
sock=0x80f7060a0, conn_id=16, bucket_alloc=0x80f710028, pool=0x80f704028)
at peruser.c:1364
#9 0x000000000044b32b in child_main (child_num_arg=Variable
"child_num_arg" is not available.
) at peruser.c:2211
#10 0x000000000044bae5 in make_child (s=0x801617868, slot=16) at
peruser.c:2532
#11 0x000000000044c481 in ap_mpm_run (_pconf=Variable "_pconf" is not
available.
) at peruser.c:2888
#12 0x0000000000423afa in main (argc=3, argv=0x7fffffffeab8) at
main.c:739
I'm not sure if this is sufficient to help debug the problem, and I
can provide the full gdb session if desired. Apache is running here
with mod_php, mod_perl, and mod_jk ... just to make things extra fun.
Is there more info I can provide that would be helpful?
In terms of reproducing this, it seems to happen fairly consistently
on a few child procs when I do an 'apachectl graceful', but beyond
that it isn't clear what triggers it.
I'll try to collect more core files and see if they all share a common
backtrace.
PS - Before switching to mpm-peruser, I almost never saw any sig11's.
Thanks for your time,
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