Generate Trace file when doing RMAN

OS AIX 5.3L with Oracle 10g (10.2.0.1), Since beginning of the RMAN backup, the Oracle generated trc file in udump and it is quite big ( over my dump_file_size limit). According to Metalink, it is a bug (Bug:4529700), since 2005 and it seems happening to all platforms. So does this bug have patch yet? How can I aovid the dump trace file to avoid exploring the storage directory?

Here is first 30 lines
$ head -30 baan_ora_2654306.trc
Dump file /oracleapp/apps/admin/baan/udump/baan_ora_2654306.trc
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
ORACLE_HOME = /oracleapp/apps/oracle/product/10.2.0/db_1
System name: AIX
Node name: baan
Release: 3
Version: 5
Machine: 000D6DB6D600
Instance name: baan
Redo thread mounted by this instance: 1
Oracle process number: 23
Unix process pid: 2654306, image: oracle@baan (TNS V1-V3)
*** ACTION NAME:(0000001 STARTED1) 2007-07-12 03:00:09.240
*** SERVICE NAME:(SYS$USERS) 2007-07-12 03:00:09.240
*** SESSION ID:(1078.11893) 2007-07-12 03:00:09.240
ksfqxc:ctx=0x106a29f0 flags=0x30000000 dev=0x0 lbufsiz=1048576 bp=0x10566548
*** ACTION NAME:(0000008 STARTED1) 2007-07-12 03:00:18.381
ksfqxc:ctx=0x106a29f0 flags=0x30000000 dev=0x0 lbufsiz=1048576 bp=0x10566548
*** 2007-07-12 03:00:20.267
*** ACTION NAME:(0000013 STARTED62) 2007-07-12 03:00:20.267
ksfqfret:ctx=0x106a29f0 filename=/remote/solar/flash_recovery/baan_standby/baan627362170_82_1.bkf blksiz=8192 startblk=1
ksfqqrd:offset=1 nblocks=127 filsiz=194148
ksfqrd:ctx=0x106a29f0 nblocks=0 wait=1
ksfqrd:buf=0x10aec000 offset=1 blksread=127
*** ACTION NAME:(0000014 STARTED62) 2007-07-12 03:00:21.112
ksfqfret:ctx=0x106a29f0 filename=/remote/solar/flash_recovery/baan_standby/baan627363196_83_1.bkf blksiz=16384 startblk=1
ksfqqrd:offset=1 nblocks=63 filsiz=75
ksfqrd:ctx=0x106a29f0 nblocks=127 wait=1
...(and bottom of 20 lines)
ksfqrd:ctx=0x1065cc08 nblocks=0 wait=0
ksfqrd:buf=0x1172c000 offset=217601 blksread=64
ksfqrd:ctx=0x107cfae8 nblocks=0 wait=0
ksfqrd:buf=0x1196c000 offset=89601 blksread=64
ksfqrd:ctx=0x108dc440 nblocks=0 wait=0
ksfqrd:ctx=0x108dc440 nblocks=0 wait=1
ksfqrd:buf=0x10bfc000 offset=473665 blksread=64
ksfqrd:ctx=0x10adc538 nblocks=0 wait=0
ksfqrd:buf=0x10e9c000 offset=217665 blksread=64
ksfqrd:ctx=0x1069dff8 nblocks=0 wait=0
ksfqrd:buf=0x110ec000 offset=217665 blksread=64
ksfqrd:ctx=0x1069ccc8 nblocks=0 wait=0
ksfqrd:buf=0x1132c000 offset=217665 blksread=64
ksfqrd:ctx=0x1065df38 nblocks=0 wait=0
ksfqrd:buf=0x1157c000 offset=217665 blksread=64
ksfqrd:ctx=0x1065cc08 nblocks=0 wait=0
ksfqrd:buf=0x117bc000 offset=217665 blksread=64
ksfqrd:ctx=0x107cf
*** DUMP FILE SIZE IS LIMITED TO 5242880 BYTES ***
because of the limit of my dump_file_size, so it stopped and Oracle generates another small one.
and these trace file always were generated at the end of the RMAN backup.
If you read the bottom of the note, it mention the bug: 4529700 -- Trace File Created During Rman Database Backup and in that note: it gave an example content of the file. You probably refereed to another bug: 4596065, which generated an empty trace.

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