indefinite wait buffer: Does this indicate hardware issue?

[Kris Kennaway]

On Sat, Dec 17, 2005 at 12:49:48AM +0800, Xin LI wrote:
> Dear folks,
> 
> I have a box indicating the following sometimes:
> "swap_pager: indefinite wait buffer: bufobj: 0, blkno: 262169, size: 4096"
> 
> It's running FreeBSD 6.0-RELEASE, with two Maxtor 7Y250P0 hard disks
> attached to Intel ICH5 UDMA100 controller with hw.ata.wc disabled.
> 
> Does this indicate a hardware issue, or some bugs elsewhere?

In that configuration, probably a hardware issue.  Is it always the
same block?

This message triggers as a false positive in other cases when swapping
is too slow, like if you swap to a swapfile on a heavily loaded
filesystem.

Kris
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