Segfaults when trying to import blobs
-
Andreas Flack
Segfaults when trying to import blobs
Sat March 15 2008 15:05:27 UTCHi!
I'm trying to get a replication setup to work ATM and while trying to
import blobs in XML representation (with
/midcom-exec-midcom.helper.replicator/import_xml.php), I always get
segfaults looking like this:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1215867200 (LWP 11130)]
xdebug_execute_internal (current_execute_data=0xbfcb505c,
return_value_used=1) at /tmp/pear/temp/xdebug/xdebug.c:1575
1575 if (XG(profiler_enabled)) {
(gdb) backtrace
#0 xdebug_execute_internal (current_execute_data=0xbfcb505c,
return_value_used=1) at /tmp/pear/temp/xdebug/xdebug.c:1575
#1 0xb6f7700b in execute () from /usr/lib/apache2/modules/libphp5.so
#2 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#3 0xb6a0bf5e in xdebug_execute (op_array=0x8666ad8) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#4 0xb6f76c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#5 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#6 0xb6a0bf5e in xdebug_execute (op_array=0xa63332c4) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#7 0xb6f76c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#8 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#9 0xb6a0bf5e in xdebug_execute (op_array=0xa6570d30) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#10 0xb6f76c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#11 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#12 0xb6a0bf5e in xdebug_execute (op_array=0xa6570108) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#13 0xb6f76c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#14 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#15 0xb6a0bf5e in xdebug_execute (op_array=0xa561878c) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#16 0xb6f9e2ab in zend_get_zval_ptr_ptr () from
/usr/lib/apache2/modules/libphp5.so
#17 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#18 0xb6a0bf5e in xdebug_execute (op_array=0xa60d4f60) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#19 0xb6f76c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#20 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#21 0xb6a0bf5e in xdebug_execute (op_array=0xa6140b8c) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#22 0xb6f76c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#23 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#24 0xb6a0bf5e in xdebug_execute (op_array=0xa6129390) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#25 0xb6f76c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#26 0xb6f66c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#27 0xb6a0bf5e in xdebug_execute (op_array=0xa6717590) at
/tmp/pear/temp/xdebug/xdebug.c:1509
#28 0xb6f47dfc in zend_execute_scripts () from
/usr/lib/apache2/modules/libphp5.so
#29 0xb6f030b2 in php_execute_script () from
/usr/lib/apache2/modules/libphp5.so
#30 0xb6fcb753 in php_ap2_register_hook () from
/usr/lib/apache2/modules/libphp5.so
#31 0x08074607 in ap_run_handler ()
#32 0x080777b1 in ap_invoke_handler ()
#33 0x08084898 in ap_process_request ()
#34 0x08081b0e in ap_register_input_filter ()
#35 0x0807b447 in ap_run_process_connection ()
#36 0x080888a4 in ap_graceful_stop_signalled ()
#37 0x08088b04 in ap_graceful_stop_signalled ()
#38 0x080898ac in ap_mpm_run ()
#39 0x0806224f in main ()
Since the segfault is for some reason reported in xdebug, I deactivated
it and this changed the backtrace to this:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1215813952 (LWP 11188)]
0xb6f84014 in execute () from /usr/lib/apache2/modules/libphp5.so
(gdb) backtrace
#0 0xb6f84014 in execute () from /usr/lib/apache2/modules/libphp5.so
#1 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#2 0xb6f83c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#3 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#4 0xb6f83c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#5 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#6 0xb6f83c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#7 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#8 0xb6f83c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#9 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#10 0xb6fab2ab in zend_get_zval_ptr_ptr () from
/usr/lib/apache2/modules/libphp5.so
#11 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#12 0xb6f83c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#13 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#14 0xb6f83c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#15 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#16 0xb6f83c11 in execute () from /usr/lib/apache2/modules/libphp5.so
#17 0xb6f73c28 in execute () from /usr/lib/apache2/modules/libphp5.so
#18 0xb6f54dfc in zend_execute_scripts () from
/usr/lib/apache2/modules/libphp5.so
#19 0xb6f100b2 in php_execute_script () from
/usr/lib/apache2/modules/libphp5.so
#20 0xb6fd8753 in php_ap2_register_hook () from
/usr/lib/apache2/modules/libphp5.so
#21 0x08074607 in ap_run_handler ()
#22 0x080777b1 in ap_invoke_handler ()
#23 0x08084898 in ap_process_request ()
#24 0x08081b0e in ap_register_input_filter ()
#25 0x0807b447 in ap_run_process_connection ()
#26 0x080888a4 in ap_graceful_stop_signalled ()
#27 0x08088b04 in ap_graceful_stop_signalled ()
#28 0x080898ac in ap_mpm_run ()
#29 0x0806224f in main ()
This is happening on Debian Stable x86 with Midgard 1.8.7. The XML files
were generated with /midcom-exec-midcom.helper.replicator/export_archive.php
I'm gonna try if the same happens on Debian Testing AMD64, but if
someone has a clue (or maybe some workaround to replicate without using
PHP, which is painfully slow), pls let me know.
Bye,
Andreas -
-
Piotr Pokora
Re: [midgard-user] Segfaults when trying to import blobs
Sat March 15 2008 15:49:05 UTCAndreas Flack writes:
Hi!
> Since the segfault is for some reason reported in xdebug, I deactivated
> it and this changed the backtrace to this:
>
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1215813952 (LWP 11188)]
> 0xb6f84014 in execute () from /usr/lib/apache2/modules/libphp5.so
> (gdb) backtrace
> #0 0xb6f84014 in execute () from /usr/lib/apache2/modules/libphp5.so
It may be *anything* which triggers this...
Do you have other modules you can disable and test?
Piotras
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