[squid-users] Squid 2.5Stable3 cores

Squid is coreing frequently now (every few minutes). This is a
2.5STABLE3 on RH 7.2 for s/390.

This GDB was configured as "s390-redhat-linux"...
(no debugging symbols found)...
Core was generated by `(squid) -D'.
Program terminated with signal 6, Aborted.
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libssl.so.2...done.
Loaded symbols for /lib/libssl.so.2
Reading symbols from /lib/libcrypto.so.2...done.
Loaded symbols for /lib/libcrypto.so.2
Reading symbols from /lib/libpthread.so.0...done.

warning: Unable to set global thread event mask: generic error
[New Thread 1024 (LWP 4249)]
Error while reading shared library symbols:
Cannot enable thread event reporting for Thread 1024 (LWP 4249): generic
error
Reading symbols from /lib/librt.so.1...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libresolv.so.2...done.
Loaded symbols for /lib/libresolv.so.2
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld.so.1...done.
Loaded symbols for /lib/ld.so.1
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
#0 0x4025f9de in kill () at soinit.c:56
56 soinit.c: No such file or directory.
in soinit.c
(gdb) bt
#0 0x4025f9de in kill () at soinit.c:56
#1 0x4016f360 in raise (sig=6) at signals.c:65
#2 0x40261124 in abort () at ../sysdeps/generic/abort.c:88
#3 0x004967e2 in strcpy () at soinit.c:56
(gdb)


/var/log/messages shows:
Aug 19 11:22:39 linprox squid[1440]: Squid Parent: child process 4249
started
Aug 19 11:24:36 linprox kernel: User process fault: interruption code
0x10
Aug 19 11:24:36 linprox kernel: failing address: 1010000
Aug 19 11:24:36 linprox kernel: CPU: 0
Aug 19 11:24:36 linprox kernel: Process squid (pid: 4249,
stackpage=05163000)
Aug 19 11:24:36 linprox kernel:
Aug 19 11:24:36 linprox kernel: User PSW: 070dd000 c02b601e
Tainted: PF
Aug 19 11:24:36 linprox kernel: task: 05162000 ksp: 05163e80 pt_regs:
05163f68
Aug 19 11:24:36 linprox kernel: User GPRS:
Aug 19 11:24:36 linprox kernel: 0092e808 00000003 01010101 000dc6e8
Aug 19 11:24:36 linprox kernel: 01010101 4035cb50 00000000 7fffd188
Aug 19 11:24:36 linprox kernel: 01010101 00000000 00000000 7fffca98
Aug 19 11:24:36 linprox kernel: c03601ec c02b5ffc c02827ce 7fffca98
Aug 19 11:24:36 linprox kernel: User ACRS:
Aug 19 11:24:36 linprox squid[1440]: Squid Parent: child process 4249
exited due
to signal 6
Aug 19 11:24:36 linprox kernel: 40177f60 00000000 00000000 00000000
Aug 19 11:24:37 linprox kernel: 00000000 00000000 00000000 00000000
Aug 19 11:24:37 linprox last message repeated 2 times
Aug 19 11:24:37 linprox kernel: User Code:
Aug 19 11:24:37 linprox kernel: bf 31 20 00 a7 84 00 1c a7 2a 00 01 18
32 14 31
a7 74 ff f8
Aug 19 11:24:40 linprox squid[1440]: Squid Parent: child process 4594
started

Squid Cache: Version 2.5.STABLE3
configure options: s390-redhat-linux --prefix=/usr --exec-prefix=/usr
--bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc
--datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib
--libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com
--mandir=/usr/share/man --infodir=/usr/share/info --exec_prefix=/usr
--bindir=/usr/sbin --libexecdir=/usr/lib/squid --localstatedir=/var
--sysconfdir=/etc/squid --enable-poll --enable-snmp
--enable-removal-policies=heap,lru
--enable-storeio=aufs,coss,diskd,ufs,null --enable-ssl
--with-openssl=/usr/kerberos --enable-delay-pools
--enable-linux-netfilter --with-pthreads '--enable-auth=basic ntlm'
--enable-basic-auth-helpers --enable-ntlm-auth-helpers
--enable-external-acl-helpers

Here's the squid.conf
http_port 3128
pid_filename /var/run/squid/squid.pid
debug_options ALL,1
cache_dir null /tmp
cache_store_log none
cache_access_log /var/www/html/squid/daily/logs/access.log
cache_log /var/www/html/squid/daily/logs/cache.log
auth_param ntlm program /usr/lib/squid/wb_ntlmauth
auth_param ntlm children 96
auth_param ntlm max_challenge_reuses 0
auth_param ntlm max_challenge_lifetime 2 minutes
auth_param basic program /usr/lib/squid/wb_auth
auth_param basic children 5
auth_param basic realm Proxy
auth_param basic credentialsttl 40 hours
external_acl_type NT_global_group ttl=3600 negative_ttl=600
concurrency=20 %LOGIN /usr/lib/squid/wbinfo_group.pl
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern . 0 20% 4320
acl password proxy_auth REQUIRED
acl all src 0.0.0.0/0.0.0.0
no_cache deny all
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl to_localhost dst 127.0.0.0/8
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl CONNECT method CONNECT
acl NTauth external NT_global_group InternetHTTP
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow NTauth
http_reply_access allow all
cache_mgr my.email@blah.com
cache_effective_user squid
cache_effective_group squid
coredump_dir /var/log/squid/core/
logfile_rotate 3

This tends to happen during busy times,
Thanks,
Daniel

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