How to see debug message of kernel?

[Sam Varshavchik]

Shu Hung (Koala) writes:

> I did fsck once after this error occur.
> 2 of my partitions failed the test and I've cleaned them up.
> (I am not using them now anyway)
> 
> I did it on Sep so I don't think it is a long time ago.

It doesn't matter if it was one month ago, two months ago, or last week.

> Even if there can be error in a period this short, I suspect there are 
> other problem 
> (maybe bad sector in one of my raid 5 harddisk)

You did not mention that you were using RAID.  In that case, there's a good 
possibility that your RAID went bad.  Rebuild your RAID.

And one more thing: stop your top-posting.  It's annoying.


> 
> Thanks,
> Koala
> 
> 
> 
> 2005/10/18, Sam Varshavchik 
> <<URL:mailto:mrsam at courier-mta.com>mrsam at courier-mta.com>:  
> 
>    Shu Hung (Koala) writes:
>    
>    > Thanks for your reply.
>    >
>    > Actually, I got this messages on the screen during runtime: 
>    >    Message from syslogd at foo at Thu Jul 7 13:06:35 2005 ...
>    >    foo kernel: Assertion failure in journal_write_metadata_buffer() at
>    >    journal.c:406: "buffer_jdirty(jh2bh(jh_in))"
>    >
>    > The machine would then hang and I have to do hard reboot
>    >
>    > I did fsck on the harddisk once and fsck said it is fine.
>    
>    What you did "once", a long time ago, is of little significance.
>    
>    What really matters is whether the filesystem is clean _now_.
> 
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