Re: XFS: inode with st_mode == 0

[Anders Saaby]

Hi,

On Monday 17 January 2005 12:55, Jan-Frode Myklebust wrote:
>
> Guess we've been struggeling with much of the same problems..

Seems like it. :)

> > -------
> > Scenario 2: Mailservers:
> >   Running XFS on mailqueue:
>
> The 2.6.10-1.737_FC3 + 's/posix_lock_file/posix_lock_file_wait/' on
> fs/nfs/file.c seems stable on our mailserver running XFS on
> mail queue and spool (mbox). 4 days of uptime!

Yes - We had those errors to:

"Kernel panic - not syncing: Attempting to free lock with active block list"

- on 2.6.10 on the webservers, which was fixed with that particular patch. But 
this is a different error as our mailservers dont't act as NFS clients. All 
use local XFS.

Sad thing is that the mailservers crashes every 10-20 hours on 2.6.x, but I'm 
not able to reproduce it in a test environment, and at time of original post 
to LKML noone was able to do anything about it without a reproduceable 
testcase. :(

> > =======
> > Resolution to the storage server problem:
> >  2.6.8.1 UP is stable (but oopses regularly after memory allocation
> >  failures)
>
> My XFS-fileserver ran 2.6.9-rc3 stable since october 25. Got lots of
> "possible deadlock in kmem_alloc (mode:0xd0)" this weekend, so I
> upgraded to plain 2.6.10. Seems OK so far.
>

OK, as far as i remember, we had the same messages in the kernel log when 
running with SMP.

-- 
Med venlig hilsen - Best regards - Meilleures salutations

Anders Saaby
Systems Engineer
------------------------------------------------
Cohaesio A/S - Maglebjergvej 5D - DK-2800 Lyngby
Phone: +45 45 880 888 - Fax: +45 45 880 777
Mail: as@xxxxxxxxxxxx - http://www.cohaesio.com
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