[squid-users] sigsegv again :-(

From: oleg <[email protected]>
Date: Thu, 13 Nov 2003 10:57:51 +0300 (���������� ����� (����))

hello.
i'm facing strange situation.
from the users' point of view squid works as normal, BUT
in my cache.log i have the following
===========================================
2003/11/13 09:16:08| Starting Squid Cache version 2.5.STABLE4 for i686-pc-linux-gnu...
2003/11/13 09:16:08| Process ID 22150
2003/11/13 09:16:08| With 1024 file descriptors available
2003/11/13 09:16:08| DNS Socket created at 0.0.0.0, port 32796, FD 4
2003/11/13 09:16:08| Adding nameserver 192.168.7.5 from squid.conf
2003/11/13 09:16:08| helperOpenServers: Starting 10 'squidGuard' processes
2003/11/13 09:16:09| helperOpenServers: Starting 7 'auth_md5_wo_ip' processes
2003/11/13 09:16:10| helperOpenServers: Starting 8 'ip_acl' processes
2003/11/13 09:16:11| Unlinkd pipe opened on FD 35
2003/11/13 09:16:11| Swap maxSize 2682880 KB, estimated 206375 objects
2003/11/13 09:16:11| Target number of buckets: 10318
2003/11/13 09:16:11| Using 16384 Store buckets
2003/11/13 09:16:11| Max Mem size: 49152 KB
2003/11/13 09:16:11| Max Swap size: 2682880 KB
2003/11/13 09:16:11| Store logging disabled
2003/11/13 09:16:11| Rebuilding storage in /cache (CLEAN)
2003/11/13 09:16:11| Using Least Load store dir selection
2003/11/13 09:16:11| Set Current Directory to /cache/
2003/11/13 09:16:11| Loaded Icons.
2003/11/13 09:16:13| Accepting HTTP connections at 192.168.7.1, port 3128, FD 36.
2003/11/13 09:16:13| Ready to serve requests.
2003/11/13 09:16:13| Store rebuilding is 5.2% complete
2003/11/13 09:16:16| Done reading /cache swaplog (78778 entries)
2003/11/13 09:16:16| Finished rebuilding storage from disk.
2003/11/13 09:16:16| 78778 Entries scanned
2003/11/13 09:16:16| 0 Invalid entries.
2003/11/13 09:16:16| 0 With invalid flags.
2003/11/13 09:16:16| 78776 Objects loaded.
2003/11/13 09:16:16| 0 Objects expired.
2003/11/13 09:16:16| 0 Objects cancelled.
2003/11/13 09:16:16| 1 Duplicate URLs purged.
2003/11/13 09:16:16| 1 Swapfile clashes avoided.
2003/11/13 09:16:16| Took 4.5 seconds (17586.1 objects/sec).
2003/11/13 09:16:16| Beginning Validation Procedure
2003/11/13 09:16:16| Completed Validation Procedure
2003/11/13 09:16:16| Validated 78776 Entries
2003/11/13 09:16:16| store_swap_size = 869504k
2003/11/13 09:16:16| storeLateRelease: released 0 objects
(squid)[0x80996a9]
/lib/libc.so.6[0x400bb4f8]
(squid)[0x80a9515]
(squid)[0x8076db8]
(squid)[0x8064839]
(squid)[0x808410f]
/lib/libc.so.6(__libc_start_main+0xc7)[0x400a8917]
(squid)(log+0xa1)[0x804a6fd]
FATAL: Received Segment Violation...dying.
2003/11/13 09:52:04| storeDirWriteCleanLogs: Starting...
2003/11/13 09:52:04| WARNING: Closing open FD 36
2003/11/13 09:52:04| 65536 entries written so far.
2003/11/13 09:52:04| Finished. Wrote 79389 entries.
2003/11/13 09:52:04| Took 0.1 seconds (1173300.0 entries/sec).
CPU Usage: 9.990 seconds = 6.880 user + 3.110 sys
Maximum Resident Size: 0 KB
Page faults with physical i/o: 362
Memory usage for squid via mallinfo():
        total space in arena: 13152 KB
        Ordinary blocks: 13133 KB 16 blks
        Small blocks: 0 KB 6 blks
        Holding blocks: 1164 KB 4 blks
        Free Small blocks: 0 KB
        Free Ordinary blocks: 18 KB
        Total in use: 14297 KB 109%
        Total free: 18 KB 0%
2003/11/13 09:52:07| Starting Squid Cache version 2.5.STABLE4 for i686-pc-linux-gnu...
2003/11/13 09:52:07| Process ID 22321
2003/11/13 09:52:07| With 1024 file descriptors available
2003/11/13 09:52:07| DNS Socket created at 0.0.0.0, port 32797, FD 4
2003/11/13 09:52:07| Adding nameserver 192.168.7.5 from squid.conf
2003/11/13 09:52:07| helperOpenServers: Starting 10 'squidGuard' processes
2003/11/13 09:52:08| helperOpenServers: Starting 7 'auth_md5_wo_ip' processes
2003/11/13 09:52:09| helperOpenServers: Starting 8 'ip_acl' processes
2003/11/13 09:52:10| Unlinkd pipe opened on FD 35
2003/11/13 09:52:10| Swap maxSize 2682880 KB, estimated 206375 objects
2003/11/13 09:52:10| Target number of buckets: 10318
2003/11/13 09:52:10| Using 16384 Store buckets
2003/11/13 09:52:10| Max Mem size: 49152 KB
2003/11/13 09:52:10| Max Swap size: 2682880 KB
2003/11/13 09:52:10| Store logging disabled
2003/11/13 09:52:10| Rebuilding storage in /cache (CLEAN)
2003/11/13 09:52:10| Using Least Load store dir selection
2003/11/13 09:52:10| Set Current Directory to /cache/
2003/11/13 09:52:10| Loaded Icons.
2003/11/13 09:52:12| Accepting HTTP connections at 192.168.7.1, port 3128, FD 36.
2003/11/13 09:52:12| Ready to serve requests.
2003/11/13 09:52:12| Store rebuilding is 5.2% complete
2003/11/13 09:52:12| Done reading /cache swaplog (79389 entries)
2003/11/13 09:52:12| Finished rebuilding storage from disk.
2003/11/13 09:52:12| 79389 Entries scanned
2003/11/13 09:52:12| 0 Invalid entries.
2003/11/13 09:52:12| 0 With invalid flags.
2003/11/13 09:52:12| 79389 Objects loaded.
2003/11/13 09:52:12| 0 Objects expired.
2003/11/13 09:52:12| 0 Objects cancelled.
2003/11/13 09:52:12| 0 Duplicate URLs purged.
2003/11/13 09:52:12| 0 Swapfile clashes avoided.
2003/11/13 09:52:12| Took 1.9 seconds (40905.7 objects/sec).
2003/11/13 09:52:12| Beginning Validation Procedure
2003/11/13 09:52:12| Completed Validation Procedure
2003/11/13 09:52:12| Validated 79389 Entries
2003/11/13 09:52:12| store_swap_size = 874492k
2003/11/13 09:52:13| storeLateRelease: released 0 objects
(squid)[0x80996a9]
/lib/libc.so.6[0x400bb4f8]
(squid)[0x80a9515]
(squid)[0x8076db8]
(squid)[0x8064839]
(squid)[0x808410f]
/lib/libc.so.6(__libc_start_main+0xc7)[0x400a8917]
(squid)(log+0xa1)[0x804a6fd]
FATAL: Received Segment Violation...dying.
2003/11/13 09:52:14| storeDirWriteCleanLogs: Starting...
2003/11/13 09:52:14| WARNING: Closing open FD 36
2003/11/13 09:52:14| 65536 entries written so far.
2003/11/13 09:52:14| Finished. Wrote 79389 entries.
2003/11/13 09:52:14| Took 0.1 seconds (1149316.0 entries/sec).
CPU Usage: 0.900 seconds = 0.700 user + 0.200 sys
Maximum Resident Size: 0 KB
Page faults with physical i/o: 329
Memory usage for squid via mallinfo():
        total space in arena: 9672 KB
        Ordinary blocks: 9655 KB 2 blks
        Small blocks: 0 KB 5 blks
        Holding blocks: 1164 KB 4 blks
        Free Small blocks: 0 KB
        Free Ordinary blocks: 17 KB
        Total in use: 10819 KB 112%
        Total free: 17 KB 0%
2003/11/13 09:52:17| Starting Squid Cache version 2.5.STABLE4 for i686-pc-linux-gnu...
2003/11/13 09:52:17| Process ID 22367
2003/11/13 09:52:17| With 1024 file descriptors available
2003/11/13 09:52:17| DNS Socket created at 0.0.0.0, port 32797, FD 4
2003/11/13 09:52:17| Adding nameserver 192.168.7.5 from squid.conf
2003/11/13 09:52:17| helperOpenServers: Starting 10 'squidGuard' processes
2003/11/13 09:52:18| helperOpenServers: Starting 7 'auth_md5_wo_ip' processes
2003/11/13 09:52:19| helperOpenServers: Starting 8 'ip_acl' processes
2003/11/13 09:52:21| Unlinkd pipe opened on FD 35
2003/11/13 09:52:21| Swap maxSize 2682880 KB, estimated 206375 objects
2003/11/13 09:52:21| Target number of buckets: 10318
2003/11/13 09:52:21| Using 16384 Store buckets
2003/11/13 09:52:21| Max Mem size: 49152 KB
2003/11/13 09:52:21| Max Swap size: 2682880 KB
2003/11/13 09:52:21| tore logging disabled
2003/11/13 09:52:21| Rebuilding storage in /cache (CLEAN)
2003/11/13 09:52:21| Using Least Load store dir selection
2003/11/13 09:52:21| Set Current Directory to /cache/
2003/11/13 09:52:21| Loaded Icons.
2003/11/13 09:52:22| Accepting HTTP connections at 192.168.7.1, port 3128, FD 36.
2003/11/13 09:52:22| Ready to serve requests.
2003/11/13 09:52:22| Store rebuilding is 5.2% complete
2003/11/13 09:52:23| Done reading /cache swaplog (79389 entries)
2003/11/13 09:52:23| Finished rebuilding storage from disk.
2003/11/13 09:52:23| 79389 Entries scanned
2003/11/13 09:52:23| 0 Invalid entries.
2003/11/13 09:52:23| 0 With invalid flags.
2003/11/13 09:52:23| 79389 Objects loaded.
2003/11/13 09:52:23| 0 Objects expired.
2003/11/13 09:52:23| 0 Objects cancelled.
2003/11/13 09:52:23| 0 Duplicate URLs purged.
2003/11/13 09:52:23| 0 Swapfile clashes avoided.
2003/11/13 09:52:23| Took 2.1 seconds (37022.0 objects/sec).
2003/11/13 09:52:23| Beginning Validation Procedure
2003/11/13 09:52:23| Completed Validation Procedure
2003/11/13 09:52:23| Validated 79389 Entries
2003/11/13 09:52:23| store_swap_size = 874492k
2003/11/13 09:52:23| storeLateRelease: released 0 objects
=======================================================================================

gdb backtrace of stack
========================================================
This GDB was configured as "i386-redhat-linux-gnu"...
(gdb) list *0x80996a9
0x80996a9 is in death (tools.c:281).
276 #endif /* _SQUID_SOLARIS_ */
277 #if HAVE_BACKTRACE_SYMBOLS_FD
278 {
279 static void *(callarray[8192]);
280 int n;
281 n = backtrace(callarray, 8192);
282 backtrace_symbols_fd(callarray, n, fileno(debug_log));
283 }
284 #endif
285 #endif /* PRINT_STACK_TRACE */
(gdb) list *0x80a9515
0x80a9515 is in authenticateDigestHandleReply (digest/auth_digest.c:899).
894 digest_user = auth_user_request->auth_user->scheme_data;
895 if (reply && (strncasecmp(reply, "ERR", 3) == 0))
896 digest_request->flags.credentials_ok = 3;
897 else {
898 CvtBin(reply, digest_user->HA1);
899 digest_user->HA1created = 1;
900 }
901 valid = cbdataValid(r->data);
902 if (valid)
903 r->handler(r->data, NULL);
(gdb) list *0x8076db8
0x8076db8 is in helperHandleRead (helper.c:751).
746 } else if ((t = strchr(srv->buf, '\n'))) {
747 /* end of reply found */
748 debug(84, 3) ("helperHandleRead: end of reply found\n");
749 *t = '\0';
750 if (cbdataValid(r->data))
751 r->callback(r->data, srv->buf);
752 srv->flags.busy = 0;
753 srv->offset = 0;
754 helperRequestFree(r);
755 srv->request = NULL;
(gdb) list *0x8064839
0x8064839 is in comm_poll (comm_select.c:447).
442 #endif
443 else {
444 F->read_handler = NULL;
445 hdl(fd, F->read_data);
446 statCounter.select_fds++;
447 if (commCheckICPIncoming)
448 comm_poll_icp_incoming();
449 if (commCheckDNSIncoming)
450 comm_poll_dns_incoming();
451 if (commCheckHTTPIncoming)
(gdb) list *0x808410f
0x808410f is in main (main.c:743).
738 }
739 eventRun();
740 if ((loop_delay = eventNextTime()) < 0)
741 loop_delay = 0;
742 #if HAVE_POLL
743 switch (comm_poll(loop_delay)) {
744 #else
745 switch (comm_select(loop_delay)) {
746 #endif
747 case COMM_OK:
===============================================================================

my build options were
=========================================
    ./configure \
        --enable-storeio="ufs diskd" \
        --enable-removal-policies="lru heap" \
        --enable-delay-pools \
        --disable-icmp \
        --disable-wccp \
        --disable-snmp \
        --enable-arp-acl \
        --disable-htcp \
        --enable-err-languages="English Russian-1251 Russian-koi8-r" \
        --enable-default-err-language="Russian-koi8-r" \
        --enable-poll \
        --disable-ident-lookups \
        --enable-truncate \
        --enable-auth="basic digest" \
        --enable-stacktraces
=====================================================

AFAICS squid does not exit, it just starts new child instead of one that died.
and no core files at coredump_dir

this is squid 2.5.STABLE4 with all availible patches applied (except some
latest cosmetic)
Red Hat 9.0
2.4.22 kernel from kernel.org

can someone tell something on this?

oleg
Received on Thu Nov 13 2003 - 00:57:49 MST

This archive was generated by hypermail pre-2.1.9 : Tue Dec 09 2003 - 17:21:16 MST