Re: Deadlock with session handling code?

From: Date: Thu, 08 Sep 2005 21:55:33 +0000
Subject: Re: Deadlock with session handling code?
References: 1 2 3  Groups: php.internals 
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Also, here's another backtrace that my co-worker thought might be helpful: [snip] Here's another backtrace from a stuck process. Do your gurus have any idea on what this could mean? [sdudley@s259203hz1sl02 siteDown]$ more gdb.12094 0x006e7689 in poll () from /lib/tls/libc.so.6 (gdb) bt #0 0x006e7689 in poll () from /lib/tls/libc.so.6 #1 0x00f48c54 in apr_poll () from /usr/lib/libapr-0.so.0 #2 0x00f493a2 in apr_wait_for_io_or_timeout () from /usr/lib/libapr-0.so.0 #3 0x00f3ed73 in apr_socket_sendv () from /usr/lib/libapr-0.so.0 #4 0x00f3f244 in apr_sendv () from /usr/lib/libapr-0.so.0 #5 0x0807bb65 in ap_add_output_filters_by_type () #6 0x0807d038 in ap_core_translate () #7 0x0807483c in ap_pass_brigade () #8 0x08062d11 in ap_http_header_filter () #9 0x0807483c in ap_pass_brigade () #10 0x08076edf in ap_content_length_filter () #11 0x0807483c in ap_pass_brigade () #12 0x08064aa4 in ap_byterange_filter () #13 0x0807483c in ap_pass_brigade () #14 0x01175a2b in execute () from /etc/httpd/modules/libphp4.so #15 0x01148195 in php_ob_get_length () from /etc/httpd/modules/libphp4.so #16 0x0114822f in php_ob_get_length () from /etc/httpd/modules/libphp4.so #17 0x01147039 in php_body_write () from /etc/httpd/modules/libphp4.so #18 0x01136916 in php_request_shutdown () from /etc/httpd/modules/libphp4.so #19 0x011620dc in zend_print_zval_ex () from /etc/httpd/modules/libphp4.so #20 0x01162062 in zend_print_zval () from /etc/httpd/modules/libphp4.so #21 0x01161c47 in zend_print_variable () from /etc/httpd/modules/libphp4.so #22 0x011702ff in execute () from /etc/httpd/modules/libphp4.so #23 0x00df5126 in apc_copy_class_entry_for_execution () from /usr/lib/php4/apc.so #24 0x01163306 in zend_execute_scripts () from /etc/httpd/modules/libphp4.so #25 0x01137e33 in php_execute_script () from /etc/httpd/modules/libphp4.so #26 0x0117669d in execute () from /etc/httpd/modules/libphp4.so ---Type <return> to continue, or q <return> to quit--- #27 0x0807483c in ap_pass_brigade () #28 0x0807c489 in ap_core_translate () #29 0x080685c5 in ap_run_handler () #30 0x08068bdf in ap_invoke_handler () #31 0x08065266 in ap_process_request () #32 0x080608bc in _start () #33 0x09ddb300 in ?? () #34 0x00000004 in ?? () #35 0x09ddb300 in ?? () #36 0x080722dc in ap_run_pre_connection () #37 0x08072195 in ap_run_process_connection () #38 0x08066ae1 in ap_graceful_stop_signalled () #39 0x08066c34 in ap_graceful_stop_signalled () #40 0x08066ed9 in ap_graceful_stop_signalled () #41 0x08067570 in ap_mpm_run () #42 0x0806da4f in main () (gdb) [/snip] -- Ben Ramsey http://benramsey.com/

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