[mythtv] mythbackend crash - fatal flex scanner internal error

Tue Aug 22 10:41:37 UTC 2006

I just compiled mythtv with debug flag enable and it does not tell much. 
Thansk for your help Stuart. Here is what I got:

(gdb) run
Starting program: /usr/local/bin/mythbackend
Reading symbols from shared object read from target memory...done.
Loaded system supplied DSO at 0xffffe000
[Thread debugging using libthread_db enabled]
[New Thread -1255319840 (LWP 20785)]
2006-08-22 06:35:12.632 Using runtime prefix = /usr/local
2006-08-22 06:35:12.930 New DB connection, total: 1
2006-08-22 06:35:12.982 Connected to database 'mythconverg' at host: localhost
2006-08-22 06:35:13.002 Current Schema Version: 1123
2006-08-22 06:35:13.066 Newest Schema Version : 1155
2006-08-22 06:35:13.067 New DB connection, total: 2
2006-08-22 06:35:13.068 Connected to database 'mythconverg' at host: localhost
2006-08-22 06:35:13.068 Setting Lock for Database Schema upgrade. If you see a 
long pause here it means the Schema is already locked and is being upgraded 
by another Myth process.
2006-08-22 06:35:13.070 New DB connection, total: 3
2006-08-22 06:35:13.070 Connected to database 'mythconverg' at host: localhost
2006-08-22 06:35:13.072 Upgrading to schema version 1124
2006-08-22 06:35:13.138 New DB connection, total: 4
2006-08-22 06:35:13.139 Connected to database 'mythconverg' at host: localhost
2006-08-22 06:35:13.186 Upgrading to schema version 1125
2006-08-22 06:35:13.213 Upgrading to schema version 1126
2006-08-22 06:35:13.240 Upgrading to schema version 1127
2006-08-22 06:35:13.317 Upgrading to schema version 1128
2006-08-22 06:35:13.323 Upgrading to schema version 1129
2006-08-22 06:35:13.348 New DB connection, total: 5
2006-08-22 06:35:13.349 Connected to database 'mythconverg' at host: localhost
2006-08-22 06:35:13.350 Upgrading to schema version 1130
2006-08-22 06:35:13.359 Upgrading to schema version 1131
2006-08-22 06:35:13.368 Upgrading to schema version 1132
2006-08-22 06:35:13.373 Upgrading to schema version 1133
2006-08-22 06:35:13.387 Upgrading to schema version 1134
2006-08-22 06:35:13.389 Upgrading to schema version 1135
2006-08-22 06:35:13.412 Upgrading to schema version 1136
2006-08-22 06:35:15.540 Upgrading to schema version 1137
2006-08-22 06:35:15.793 Upgrading to schema version 1138
2006-08-22 06:35:15.795 Upgrading to schema version 1139
2006-08-22 06:35:15.819 Upgrading to schema version 1140
2006-08-22 06:35:15.821 Upgrading to schema version 1141
2006-08-22 06:35:16.039 Upgrading to schema version 1142
2006-08-22 06:35:16.044 Upgrading to schema version 1143
2006-08-22 06:35:16.062 Upgrading to schema version 1144
2006-08-22 06:35:16.074 Upgrading to schema version 1145
2006-08-22 06:35:16.159 Upgrading to schema version 1146
2006-08-22 06:35:16.168 Upgrading to schema version 1147
2006-08-22 06:35:19.824 Upgrading to schema version 1148
2006-08-22 06:35:20.055 Upgrading to schema version 1149
2006-08-22 06:35:20.063 Upgrading to schema version 1150
2006-08-22 06:35:20.072 Upgrading to schema version 1151
2006-08-22 06:35:20.268 Upgrading to schema version 1152
2006-08-22 06:35:20.835 Upgrading to schema version 1153
2006-08-22 06:35:33.456 Upgrading to schema version 1154
2006-08-22 06:35:34.681 Upgrading to schema version 1155
2006-08-22 06:35:34.726 Database Schema upgrade complete, unlocking.
Starting up as the master server.
2006-08-22 06:35:34.736 mythbackend: MythBackend started as master server
[New Thread -1258796128 (LWP 20795)]
2006-08-22 06:35:34.764 EITHelper: localtime offset -4:00:00
[New Thread -1267188832 (LWP 20796)]
Detaching after fork from child process 20797.
2006-08-22 06:35:35.849 ret_pid(0) child(20797) status(0x0)
2006-08-22 06:35:36.853 ret_pid(0) child(20797) status(0x0)
2006-08-22 06:35:37.873 ret_pid(0) child(20797) status(0x0)
2006-08-22 06:35:38.878 ret_pid(20797) child(20797) status(0x0)
2006-08-22 06:35:38.879 External Tuning program exited with no error
[New Thread -1275581536 (LWP 20798)]
2006-08-22 06:35:38.894 New DB scheduler connection
2006-08-22 06:35:38.895 Connected to database 'mythconverg' at host: localhost
[New Thread -1283974240 (LWP 20800)]
[New Thread -1292366944 (LWP 20801)]
[New Thread -1300759648 (LWP 20802)]
2006-08-22 06:35:38.903 Main::Starting HttpServer
[New Thread -1309152352 (LWP 20803)]
2006-08-22 06:35:38.912 Main::Registering HttpStatus Extension
[New Thread -1317545056 (LWP 20804)]
[New Thread -1326060640 (LWP 20805)]
2006-08-22 06:35:38.999 mythbackend version: 0.19.20060708-1 www.mythtv.org
2006-08-22 06:35:38.999 Enabled verbose msgs:  important general
2006-08-22 06:35:39.001 AutoExpire: Found 1 recorders w/max rate of 72 MiB/min
2006-08-22 06:35:39.003 AutoExpire: Required Free Space: 2.1 GB w/freq: 10 min
[New Thread -1335886944 (LWP 20806)]
[New Thread -1344279648 (LWP 20807)]
[New Thread -1352672352 (LWP 20808)]
[New Thread -1361065056 (LWP 20809)]
[New Thread -1369457760 (LWP 20810)]
2006-08-22 06:35:40.925 Reschedule requested for id -1.
2006-08-22 06:35:41.078 Scheduled 4 items in 0.2 = 0.12 match + 0.03 place
2006-08-22 06:35:41.080 scheduler: Scheduled items: Scheduled 4 items in 0.2 = 
0.12 match + 0.03 place
2006-08-22 06:35:41.085 Seem to be woken up by USER
2006-08-22 06:35:44.764 mythbackend: Running housekeeping thread

[New Thread -1377850464 (LWP 20817)]
fatal flex scanner internal error--end of buffer missed

Program exited with code 02.
Current language:  auto; currently c
(gdb)

Le août 22, 2006 05:47 AM, Stuart Auchterlonie a écrit :
> On Mon, Aug 21, 2006 at 02:32:24PM -0400, Wayne Veilleux wrote:
> > fatal flex scanner internal error--end of buffer missed
>
> Okay, this is really, really odd. This only comes from
> flex/bison interpreter misuse, and we don't even use that
> in myth. So please have a read of the instructions at
>
> http://www.mythtv.org/docs/mythtv-HOWTO.html#toc22.2
>
> and see if we can get a proper error and backtrace.
>
>
> Stuart
>
> _______________________________________________
> mythtv-dev mailing list
> mythtv-dev at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev

-- 
Wayne