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system panic

hhhyyy
Occasional Contributor

system panic

Alpha 4000+RA3000
Now the system crash often.There are lots of similar messages in the /var/adm/messages:
Aug 4 16:11:25 bssqub vmunix: ADVFS EXCEPTION
Aug 4 16:11:25 bssqub vmunix: Module = bs_sbm.c, Line = 337
Aug 4 16:11:25 bssqub vmunix: ADVFS INTERNAL ERROR: dealloc_bits_page: can't cl
ear a bit twice!
Aug 4 16:11:25 bssqub vmunix:
Aug 4 16:11:26 bssqub vmunix: panic (cpu 0): ADVFS INTERNAL ERROR: dealloc_bits
_page: can't clear a bit twice!
Aug 4 16:11:26 bssqub vmunix:
Aug 4 16:11:26 bssqub vmunix: syncing disks... 28 28 device string for dump = S
CSI 1 2 0 0 0 0 0.
Aug 4 16:11:26 bssqub vmunix: DUMP.prom: dev SCSI 1 2 0 0 0 0 0, block 1048576
Aug 4 16:11:26 bssqub vmunix: device string for dump = SCSI 1 2 0 0 0 0 0.
Aug 4 16:11:26 bssqub vmunix: DUMP.prom: dev SCSI 1 2 0 0 0 0 0, block 1048576
I use 'verify',but it does not work at all.What should I do?Please help me.Thank you
4 REPLIES
Michael Schulte zur Sur
Honored Contributor

Re: system panic

Hi,

Do you also have the fixfdmn command?
What os version are you running?
If you can mount the filesets in the domain, backup, recreate and restore the domain and filesets.

greetings,

Michael
Ivan Ferreira
Honored Contributor

Re: system panic

You should run the verify command on the domain, it seems that the domain has problems.

If you have filesystem problems that verify cannot fix, you may need to save the contents of the filesystem, recreate it and restore it.

Also, may be a physical disk problem, all errors points to the same SCSI dev.

What Tru64 version are you using:

sizer -v

Por que hacerlo dificil si es posible hacerlo facil? - Why do it the hard way, when you can do it the easy way?
Manish PATHAK_2
Regular Advisor

Re: system panic

Hello,

Please answer the following questions:

1.What is the OS version
2.Have you checked the SCSI Disk.
3.Please check the filesystem status you need to rebuild it.
4.Please run the verify command and if it is not working you need to use fixfdmn followed by the domain name.

Regards
manish
Venkatesh BL
Honored Contributor

Re: system panic

If you can locate the faulty disk, replace it and restore a new copy of the corrupted files from the latest backup.