I rebuilt the code from the Debian source archive (version 2.5.9-9), and
changed StatHist.c line 93 to this:
{
double shv = statHistVal(H, 0);
double answer = floor(0.99L + shv - min);
int iAnswer = (int) answer;
if (iAnswer != 0) { // ### Stephen Blackheath
fprintf(debug_log, "Bug 310642 assertion values:\n");
fprintf(debug_log, " H->min = %f\n", H->min);
fprintf(debug_log, " H->max = %f\n", H->max);
fprintf(debug_log, " H->capacity = %d\n", H->capacity);
fprintf(debug_log, " H->scale = %f\n", H->scale);
fprintf(debug_log, " statHistVal(H, 0) = %f\n", shv);
fprintf(debug_log, " answer = %f\n", answer);
fprintf(debug_log, " iAnswer = %d\n", iAnswer);
fflush(debug_log);
}
assert(iAnswer == 0);
}
Some script is obviously successfully restarting the daemon now, so it
*appears* to be reliable, unlike before where the script sometimes
failed to restart.
Here are the relevant excerpts from cache.log - I have no idea what
these numbers mean. A wild guess - perhaps it should be "floor(0.99f +
statHistVal(H,0) - min)" ?? 0.99L seems like nonsense to me.
-------------------------------------
2005/06/01 06:29:33| storeDirWriteCleanLogs: Starting...
2005/06/01 06:29:35| Finished. Wrote 1053 entries.
2005/06/01 06:29:35| Took 0.2 seconds (5949.0 entries/sec).
2005/06/01 06:29:35| logfileRotate: /var/log/squid/store.log
Bug 310642 assertion values:
H->min = -1.000000
H->max = 6.000000
H->capacity = 7
H->scale = 1.000000
statHistVal(H, 0) = -1.000000
answer = 1.000000
iAnswer = 1
2005/06/01 10:14:22| assertion failed: StatHist.c:108: "iAnswer == 0"
2005/06/01 10:14:26| Starting Squid Cache version 2.5.STABLE9 for
i386-debian-linux-gnu...
-------------------------------------
2005/06/01 10:14:27| Beginning Validation Procedure
2005/06/01 10:14:27| Completed Validation Procedure
2005/06/01 10:14:27| Validated 1103 Entries
2005/06/01 10:14:27| store_swap_size = 124068k
2005/06/01 10:14:27| storeLateRelease: released 0 objects
2005/06/01 10:14:28| WARNING: Disk space over limit: 122728 KB > 102400 KB
Bug 310642 assertion values:
H->min = -1.000000
H->max = 6.000000
H->capacity = 7
H->scale = 1.000000
statHistVal(H, 0) = -1.000000
answer = 1.000000
iAnswer = 1
2005/06/02 06:09:17| assertion failed: StatHist.c:108: "iAnswer == 0"
2005/06/02 06:09:21| Starting Squid Cache version 2.5.STABLE9 for
i386-debian-linux-gnu...
2005/06/02 06:09:21| Process ID 1737
2005/06/02 06:09:21| With 1024 file descriptors available
2005/06/02 06:09:21| DNS Socket created at 0.0.0.0, port 3838, FD 7
2005/06/02 06:09:21| Adding nameserver 203.79.104.69 from /etc/resolv.conf
2005/06/02 06:09:21| User-Agent logging is disabled.
2005/06/02 06:09:21| Referer logging is disabled.
2005/06/02 06:09:21| Unlinkd pipe opened on FD 11
Bug 310642 assertion values:
H->min = -1.000000
H->max = 6.000000
H->capacity = 7
H->scale = 1.000000
statHistVal(H, 0) = -1.000000
answer = 1.000000
iAnswer = 1
2005/06/02 06:09:21| assertion failed: StatHist.c:108: "iAnswer == 0"
2005/06/02 06:09:24| Starting Squid Cache version 2.5.STABLE9 for
i386-debian-linux-gnu...
2005/06/02 06:09:24| Process ID 1740
2005/06/02 06:09:24| With 1024 file descriptors available
2005/06/02 06:09:24| DNS Socket created at 0.0.0.0, port 3838, FD 7
2005/06/02 06:09:24| Adding nameserver 203.79.104.69 from /etc/resolv.conf
-------------------------------------
2005/06/02 06:29:36| storeDirWriteCleanLogs: Starting...
2005/06/02 06:29:38| Finished. Wrote 109 entries.
2005/06/02 06:29:38| Took 0.1 seconds (1227.3 entries/sec).
2005/06/02 06:29:38| logfileRotate: /var/log/squid/store.log
Bug 310642 assertion values:
H->min = -1.000000
H->max = 6.000000
H->capacity = 7
H->scale = 1.000000
statHistVal(H, 0) = -1.000000
answer = 1.000000
iAnswer = 1
2005/06/02 08:42:35| assertion failed: StatHist.c:108: "iAnswer == 0"
2005/06/02 08:42:39| Starting Squid Cache version 2.5.STABLE9 for
i386-debian-linux-gnu...
2005/06/02 08:42:39| Process ID 3194
2005/06/02 08:42:39| With 1024 file descriptors available
2005/06/02 08:42:39| DNS Socket created at 0.0.0.0, port 4972, FD 7
-------------------------------------
2005/06/02 08:42:39| Completed Validation Procedure
2005/06/02 08:42:39| Validated 109 Entries
2005/06/02 08:42:39| store_swap_size = 92112k
2005/06/02 08:42:40| storeLateRelease: released 0 objects
Bug 310642 assertion values:
H->min = -1.000000
H->max = 17.000000
H->capacity = 18
H->scale = 1.000000
statHistVal(H, 0) = -1.000000
answer = 1.000000
iAnswer = 1
2005/06/02 17:46:12| assertion failed: StatHist.c:108: "iAnswer == 0"
2005/06/02 17:46:16| Starting Squid Cache version 2.5.STABLE9 for
i386-debian-linux-gnu...
2005/06/02 17:46:16| Process ID 7873
2005/06/02 17:46:16| With 1024 file descriptors available
2005/06/02 17:46:16| DNS Socket created at 0.0.0.0, port 1366, FD 7
2005/06/02 17:46:16| Adding nameserver 203.79.104.69 from /etc/resolv.conf
-------------------------------------
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