have a look at ML note: 300581.1; that article links to several other ML note's, with issues with this OERI frits On Sun, Oct 11, 2009 at 12:27 AM, kp R <kp0773@xxxxxxxxx> wrote: > All, > recently we got into a database(10gR2) hang situation and we were forced to > abort the instance . This database has few corrupted blocks which shows in > v$database_block_corrutpion and occasionally we get > > ORA-00607: Internal error occurred while making a change to a data block > ORA-00600: internal error code, arguments: [kddummy_blkchk], [18], > [109812], [6401], [], [], [], [] > > but this time we observed a cycle of message as shown below coming for 2 > hour so we decided to abort the instance . I have a SR opened but so far > the support is not > very helpful giving any reason. I was wondering if anyone has any idea on > this . > > > Doing block recovery for file 18 block 109812 > Block recovery from logseq 7907, block 479993 to scn 23018333209 > Thu Oct 8 10:05:07 2009 > Recovery of Online Redo Log: Thread 1 Group 2 Seq 7907 Reading mem 0 > Mem# 0: /mtrx/oradata/pmtrx/onlinelog/o1_mf_2_5azw407p_.log > Mem# 1: /mtrx/oradata/pmtrx/onlinelog/o1_mf_2_5azw44op_.log > Thu Oct 8 10:05:07 2009 > Recovery of Online Redo Log: Thread 1 Group 3 Seq 7908 Reading mem 0 > Mem# 0: /mtrx/oradata/pmtrx/onlinelog/o1_mf_3_6azx44op_.log > Mem# 1: /mtrx/oradata/pmtrx/onlinelog/o1_mf_3_6azx4fop_.log > Block recovery interrupted at rba 7908.155763.340 > Doing block recovery for file 18 block 109812 > Block recovery from logseq 7907, block 479993 to scn 23018333209 > Thu Oct 8 10:05:08 2009 > Recovery of Online Redo Log: Thread 1 Group 2 Seq 7907 Reading mem 0 > Mem# 0: /mtrx/oradata/pmtrx/onlinelog/o1_mf_2_5azw407p_.log > Mem# 1: /mtrx/oradata/pmtrx/onlinelog/o1_mf_2_5azw44op_.log > Thu Oct 8 10:05:08 2009 > Recovery of Online Redo Log: Thread 1 Group 3 Seq 7908 Reading mem 0 > Mem# 0: /mtrx/oradata/pmtrx/onlinelog/o1_mf_3_6azx44op_.log > Mem# 1: /mtrx/oradata/pmtrx/onlinelog/o1_mf_3_6azx4fop_.log > Block recovery interrupted at rba 7908.155763.340 > Doing block recovery for file 18 block 109812 > > Thanks in advance > -Kar > >