Oracle Database Discussions

Hi, i am getting rman-3009 error on daily incremental backups 6weekly full backups. this happens sometimes, not everyday. i couldnt find why. the detailed information (output) is below. any help would be welcome.

RMAN-03009: failure of backup command on ORA_DISK_3 channel at 11/17/2006 04:02
05
ORA-00600: internal error code, arguments: [17114], [0xFFFFFFFF78B10020], [], [
, [], [], [], []
ORA-00600: internal error code, arguments: [kghfrempty:ds], [0xFFFFFFFF78B10010
, [], [], [], [], [], []
channel ORA_DISK_3 disabled, job failed on it will be run on another channel
channel ORA_DISK_1: starting compressed incremental level 1 datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00028 name=/izmir1/oradata/iasdb/iasdb/portal2.dbf
channel ORA_DISK_1: starting piece 1 at 17-NOV-06
channel ORA_DISK_1: finished piece 1 at 17-NOV-06
piece handle=/yedekler/backup/iasdb/rman/tji2jfdu_1_1 comment=NONE
channel ORA_DISK_1: starting piece 2 at 17-NOV-06
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 11/17/2006 05:03
16
ORA-00600: internal error code, arguments: [17114], [0xFFFFFFFF78C20020], [], [
, [], [], [], []
ORA-00600: internal error code, arguments: [kghfrempty:ds], [0xFFFFFFFF78C20010
, [], [], [], [], [], []
channel ORA_DISK_1 disabled, job failed on it will be run on another channel
channel ORA_DISK_2: starting compressed incremental level 1 datafile backupset
channel ORA_DISK_2: specifying datafile(s) in backupset
input datafile fno=00028 name=/izmir1/oradata/iasdb/iasdb/portal2.dbf
channel ORA_DISK_2: starting piece 1 at 17-NOV-06
channel ORA_DISK_2: finished piece 1 at 17-NOV-06
piece handle=/yedekler/backup/iasdb/rman/tki2jj0k_1_1 comment=NONE
channel ORA_DISK_2: starting piece 2 at 17-NOV-06
RMAN-03009: failure of backup command on ORA_DISK_2 channel at 11/17/2006 06:04
56
ORA-00600: internal error code, arguments: [17183], [0xFFFFFFFF773F0000], [], [
, [], [], [], []
ORA-00600: internal error code, arguments: [17114], [0xFFFFFFFF78C20020], [], [
, [], [], [], []
channel ORA_DISK_2 disabled, job failed on it will be run on another channel
channel ORA_DISK_4: starting compressed incremental level 1 datafile backupset
channel ORA_DISK_4: specifying datafile(s) in backupset
input datafile fno=00028 name=/izmir1/oradata/iasdb/iasdb/portal2.dbf
channel ORA_DISK_4: starting piece 1 at 17-NOV-06
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_4 channel at 11/17/2006 06:58
31
ORA-00600: internal error code, arguments: [17183], [0xFFFFFFFF773F0000], [], [
, [], [], [], []
ORA-00600: internal error code, arguments: [17114], [0xFFFFFFFF78C20020], [], [
, [], [], [], []

Recovery Manager complete.