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Posted to bugs@httpd.apache.org by bu...@apache.org on 2011/03/09 14:27:09 UTC
DO NOT REPLY [Bug 50247] httpd hangs on poll(...) and read(...)
https://issues.apache.org/bugzilla/show_bug.cgi?id=50247
tal.yalon@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |NEW
Version|2.2.8 |2.2.16
Severity|normal |critical
--- Comment #3 from tal.yalon@gmail.com 2011-03-09 08:27:06 EST ---
Hi there,
Although I don't know anything about Alex's bug, we experience something that
looks like a bug that might be very similar so I thought to add more info here
rather than opening a new one.
The httpd in question is 2.2.16 running on EC2.
We see that after a while (10 minutes) of a significant load, some of the
worker processes get hang on poll().
This is the stacktrace from one of the processes that are in this state:
#0 0x00007f76fa70c748 in poll () from /lib64/libc.so.6
#1 0x00007f76fabe2822 in apr_wait_for_io_or_timeout () from
/usr/lib64/libapr-1.so.0
#2 0x00007f76fabdd2da in apr_socket_recv () from /usr/lib64/libapr-1.so.0
#3 0x00007f76fc0dfddd in ap_lingering_close ()
#4 0x00007f76fc0eaa7e in ?? ()
#5 0x00007f76fc0ead1a in ?? ()
#6 0x00007f76fc0eadd0 in ?? ()
#7 0x00007f76fc0eb908 in ap_mpm_run ()
#8 0x00007f76fc0c54fb in main ()
Please let me know if there's any more information I can provide - this problem
is obviously a major concern to us.
Thanks,
Tal
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