On Thursday, February 08, 2001 04:00:26 PM +0100 Andrius Adomaitis <charta@gaumina.lt> wrote:
>
> Hello,
>
> I have dual PIII 800 machine running as mail server on DAC 960 RAID &
> reiserfs comming with 2.4.1kernel.
>
> Under very high loads I get following messages in my kernel log:
>
> kernel: vs-13060: reiserfs_update_sd: stat data of object [7906789
> 7906806 0x0 SD](nlink == 1) not found (pos 23)
> kernel: vs-13060: reiserfs_update_sd: stat data of object [7906789
> 7906806 0x0 SD] (nlink == 1) not found (pos 23)
> kernel: PAP-5660: reiserfs_do_truncate: wrong result -1 of search for
> [7906789 7906806 0xfffffffffffffff DIRECT]
> kernel: vs-13060: reiserfs_update_sd: stat data of object [7906789
> 7906806 0x0 SD] (nlink == 1) not found (pos 23)
> kernel: PAP-5660: reiserfs_do_truncate: wrong result -1 of search for
> [7906789 7906806 0xfffffffffffffff DIRECT]
> .....
These aren't good at all, and show a general corruption problem. I know the ac kernels have at least one small DAC960 bug fixes, are there other fixes pending?
>
> and afterwards come these:
>
> kernel: vs-3050: wait_buffer_until_released: nobody releases buffer
> (dev 30:09, size 4096, blocknr 1661732, count 16,
> kernel: vs-3050: wait_buffer_until_released: nobody releases buffer
> (dev 30:09, size 4096, blocknr 1661732, count 16,
> ...
> and so on.
>
There is more info in this message, it would help if you could send the entire line.
> The interesting thing is that system is still operational, but load
> jumps up to 260 or so, and any attempts to reboot system fail. ps aux
> shows that there exists imortal (kill -9 $PID doesn't kill it) qmail
> process that consumes 97% of one CPU's resources. Also `vmstat` shows
> tons of processes in uninterruptable sleep, but `free` reports that it
> is still enough memory (no swap used) and huge buffers... Machine gets
> slugish but works for a while (0.5-2h dependent on mail request rate).
>
Once you get a vs-3050, any process that tries to change the FS ends up waiting on the journal, which is waiting on the process stuck in vs-3050. There is no escape.
-chris
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This archive was generated by hypermail 2b29 : Thu Feb 15 2001 - 21:00:12 EST