Re: squid hangs after several days running ...

async-io (pthreads) is not officially supported in Squid on FreeBSD.
Please try without it.

--
Henrik Nordstrom
Squid hacker
The Hermit Hacker wrote:
> 
> at ~10am this morning, squid hung solid ... after running since Saturday:
> 
> demeter# ps aux | grep squid
> nobody   297 99.0 40.8 427112 426848  ??  R    Sat04PM 520:12.96 squid -NsY
> root     290  0.0  0.0   660   76 con- I    Sat04PM   0:00.00 /bin/sh /usr/local/squid/bin/RunCache
> 
> I have a cron job that runs every hour, on the hour, to rotate the squid
> logs via 'squid -k rotate', which is what it looks like 'triggers' the
> hang, as the last write to /var/log/messages is at 9:59:
> 
> tail -f /var/log/messages
> Feb 23 09:00:08 demeter squid[297]: urlParse: Illegal character in hostname 'proxy.acadiau.ca:3128proxy.acadiau.ca'
> Feb 23 09:00:44 demeter last message repeated 6 times
> Feb 23 09:02:45 demeter last message repeated 20 times
> Feb 23 09:12:46 demeter last message repeated 96 times
> Feb 23 09:22:51 demeter last message repeated 190 times
> Feb 23 09:32:55 demeter last message repeated 192 times
> Feb 23 09:43:01 demeter last message repeated 202 times
> Feb 23 09:53:05 demeter last message repeated 198 times
> Feb 23 09:59:57 demeter last message repeated 137 times
> Feb 23 13:05:30 demeter /kernel: pid 15267 (gcore), uid 0 on /: file system full
> 
> using gcore to get a core of the runing image, and gdb to see inside of
> it, not much appears to be visible?
> 
> demeter# gdb /usr/local/squid/bin/squid core.297
> GNU gdb 4.18
> Copyright 1998 Free Software Foundation, Inc.
> GDB is free software, covered by the GNU General Public License, and you are
> welcome to change it and/or distribute copies of it under certain conditions.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "i386-unknown-freebsd"...
> Core was generated by `squid'.
> Reading symbols from /usr/lib/libcrypt.so.2...done.
> Reading symbols from /usr/lib/libm.so.2...done.
> Reading symbols from /usr/lib/libc_r.so.4...done.
> Reading symbols from /usr/libexec/ld-elf.so.1...done.
> #0  0x4819aecc in _thread_sys_poll () from /usr/lib/libc_r.so.4
> (gdb) where
> #0  0x4819aecc in _thread_sys_poll () from /usr/lib/libc_r.so.4
> #1  0x4819a1f8 in _thread_kern_scheduler () from /usr/lib/libc_r.so.4
> #2  0x48199c35 in _thread_kern_scheduler () from /usr/lib/libc_r.so.4
> #3  0x0 in ?? ()
> (gdb) quit
> 
> I build squid with:
> 
> #!/bin/tcsh
> setenv CFLAGS "-g"
> ./configure \
>         --prefix=/usr/local/squid \
>         --enable-useragent-log \
>         --enable-referer-log \
>         --enable-snmp \
>         --enable-async-io \
>         --enable-stacktraces \
>         --enable-storeio=ufs,aufs,diskd
> 
> and the machine is reasonably up to date ...
> 
> demeter# uname -a
> FreeBSD demeter.acadiau.ca 4.2-STABLE FreeBSD 4.2-STABLE #2: Wed Feb 14 11:16:35 AST 2001     root@demeter.acadiau.ca:/usr/obj/usr/src/sys/demeter  i386
> 
> Marc G. Fournier                                 marc.fournier@acadiau.ca
> Senior Systems Administrator                            Acadia University
> 
>   "These are my opinions, which are not necessarily shared by my employer"