'swap_pager: indefinite wait buffer' with swapfile
kris at obsecurity.org
Thu Sep 15 14:39:24 PDT 2005
On Tue, Sep 13, 2005 at 03:00:41PM -0700, Matthew Dillon wrote:
> :Content-Type: text/plain; charset=us-ascii
> :Content-Disposition: inline
> :I configured a vnode-backed md and enabled swapping on it. A few
> :hours later after moderate swap use the console showed:
> :swap_pager: indefinite wait buffer: bufobj: 0, blkno: 889347, size: 8192
> :The backing store was a sparse file, but there was ample space:
> This is likely your problem. Do NOT use a sparse file for file-backed
Unfortunately making the file non-sparse did not cure the deadlock.
Since it's a heavily loaded 14-processor machine it's difficult to
trace every process to look for activity out of the ordinary.
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