Re: One more attempt: stuck processes

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On Nov 15, 2007 4:54 PM, Sebastian Hagedorn <Hagedorn@xxxxxxxxxxxx> wrote:> --On 15. November 2007 08:32:18 -0500 Ken Murchison <murch@xxxxxxxxxxxxxx>> wrote:>> >>> Since it looks like things are hanging when a process is being used, I'd> >>> like to see if the problem goes away if we don't reuse the processes.> >>> I'm just trying to do a bsearch() on the problem.> >>> >> OK. I've made the change and HUP'ed master. I can see the first> >> processes with -U 1. So I guess I'll have to wait a while to see if any> >> of those get stuck as well.> >> > OK, let me know.>> Didn't work :-(>> # ps -aef| grep U> UID        PID  PPID  C STIME TTY          TIME CMD> ...> cyrus    25038 32385  0 15:44 ?        00:00:00 pop3d -s -U 1> ...>> That's more than an hour ago. So:>> # strace -p 25038> Process 25038 attached - interrupt to quit> read(0,  <unfinished ...>
Do you know what is 0, if it was a socket it should timeout, isn't it ?
# ls -l /proc/25038/fd
should answer the question
>> # gdb -p 25038> GNU gdb Red Hat Linux (6.3.0.0-1.138.el3rh)> ...> (gdb) bt> #0  0x0079f41e in __read_nocancel () from /lib/tls/libc.so.6> #1  0x00d0b2f7 in BIO_new_socket () from /lib/libcrypto.so.4> #2  0x00d092b2 in BIO_read () from /lib/libcrypto.so.4> #3  0x005dae13 in ssl23_read_bytes () from /lib/libssl.so.4> #4  0x005d9c51 in ssl23_get_client_hello () from /lib/libssl.so.4> #5  0x005d9712 in ssl23_accept () from /lib/libssl.so.4> #6  0x005ddc9a in SSL_accept () from /lib/libssl.so.4> #7  0x08052cb3 in shut_down ()> #8  0x0804e513 in shut_down ()> #9  0x0804d58c in ?? ()> #10 0x00000001 in ?? ()> #11 0x082ee848 in ?? ()> #12 0x00000000 in ?? ()>> Any other ideas?>> -->      .:.Sebastian Hagedorn - RZKR-R1 (Gebäude 52), Zimmer 18.:.> Zentrum für angewandte Informatik - Universitätsweiter Service RRZK> .:.Universität zu Köln / Cologne University - ✆ +49-221-478-5587.:.>                    .:.:.:.Skype: shagedorn.:.:.:.> ----> Cyrus Home Page: http://cyrusimap.web.cmu.edu/> Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html>


-- Alain Spineuxaspineux gmail comMay the sources be with you----Cyrus Home Page: http://cyrusimap.web.cmu.edu/Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twikiList Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html


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