Date: Wed, 10 Mar 2004 02:42:05 -0700 From: Scott Long <scottl@freebsd.org> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: freebsd-current@freebsd.org Subject: Re: got "swap_pager: indefinite wait buffe" under -current Message-ID: <404EE2ED.3030600@freebsd.org> In-Reply-To: <39679.1078911516@critter.freebsd.dk> References: <39679.1078911516@critter.freebsd.dk>
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Poul-Henning Kamp wrote: > In message <20040310103020.Y69923@fw.reifenberger.com>, Michael Reifenberger wr > ites: > >>Hi, >>under -current as of yesterday I got during the fixation of an audio CD >>using cdrecord via atapicam the following console message: >> >>swap_pager: indefinite wait buffer: device: ad0s2a, blkno: 34107, size: 16384 >> >>What does that mean? > > > That a disk-I/O request did not complete. > > Likely cause is disk hardware or media error. > > Check for console messages from ata driver. > > You can try to run gstat(8) the leftmost column which shows number > of outstanding I/O requests. > > Actually, this is more likely due to bad error recovery in ATAPI causing all of the other I/O to be held hostage. It's hard to say if this is purely the fault of the ata driver, or if there is a more insideous interaction between ata and GEOM. In any case, you might try using burncd(8) to see if the problem persists. Scott
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