ORA-00600: internal error code, arguments: [2103], [1], [0], [1], [900], [], [],

Bug 5496862[@more@]channel t2: starting piece 1 at 30-MAR-07
RMAN-03009: failure of backup command on t1 channel at 03/30/2007 01:23:22
ORA-00600: internal error code, arguments: [2103], [1], [0], [1], [900], [], [],
[]
continuing other job steps, job failed will not be re-run
RMAN-03009: failure of backup command on t1 channel at 03/30/2007 01:38:54
ORA-00600: internal error code, arguments: [2103], [0], [0], [1], [900], [], [],
[]
channel t1 disabled, job failed on it will be run on another channel
RMAN-03009: failure of backup command on t2 channel at 03/30/2007 01:38:54
ORA-00600: internal error code, arguments: [2103], [1], [0], [1], [900], [], [],
[]
continuing other job steps, job failed will not be re-run
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on t2 channel at 03/30/2007 01:54:26
ORA-00600: internal error code, arguments: [2103], [0], [0], [1], [900], [], [], []