FS errors during unmount after dump'ing

[Kostik Belousov]

[Added fs, please remove current on reply].
On Sat, Mar 05, 2011 at 08:51:38AM +0100, Christian Gusenbauer wrote:
> Hi!
> 
> Once in a week I backup my PC using amanda (which uses dump(8)). Subsequently 
> unmounting a filesystem (or during shutdown) I get errors like these:
> 
> handle_workitem_freeblocks: inode 3579904 block count 384
> handle_workitem_freeblocks: inode 3579962 block count 384
> /spare: unmount pending error: blocks 768 files 0
> softdep_waitidle: Failed to flush worklist for 0xc5be2288
> softdep_waitidle: Failed to flush worklist for 0xc5be2288
> softdep_waitidle: Failed to flush worklist for 0xc5be2288
> softdep_waitidle: Failed to flush worklist for 0xc5be2288
> softdep_waitidle: Failed to flush worklist for 0xc5be2288
> softdep_waitidle: Failed to flush worklist for 0xc5be2510
> softdep_waitidle: Failed to flush worklist for 0xc5be2510
> /data: unmount pending error: blocks 84 files 0
> 
> Note, I get these messages *only* after dumping filesystems!
> 
> Is there anything wrong with my filesystems?
> 
> Any clues?
No clues, you did not provided information even to start looking.

What version of the OS you are using ?
How do you call dump, in particular, did you specified -L ?
Are there any hung (unkillable) processes after the issue appeared ?
Please show all kernel messages, not only the tail of it.
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