Re: 2.1.82-87: Hanging in __wait_on_page (was: Re: Hang in wait_on_inode with SMP 2.1.87) and SMP+IO

Richard Jones (
Tue, 24 Feb 1998 11:25:08 +0000

Rik van Riel wrote:
> On Mon, 23 Feb 1998, Steve Hsieh wrote:
> > It seems that the common thread among all of us is that we have the
> > aic7xxx SCSI controller? And it seems that using the 5.0.5 (5.0.7?)
> > aic7xxx driver will avoid this problem.
> I've also seen it with 2.1.76 - .84 on an Advansys ABP940U
> SCSI controller with a drive with a small firmware bug.
> Disabling the read cache on the drive solved all my problems.
> Maybe something similarly subtle is needed for the aic7xxx
> line of controllers?

I should add here that the __wait_on_page bug
has nothing to do with SCSI at all. The process
hangs accessing a large software RAID 5 partition
built on a number of IDE drives. The problem seems
to be with the RAID 5 driver. Accessing IDE drives
directly doesn't seem to cause a problem.


Richard Jones Tel: +44 171 460 6141 Fax: .. 4461
Orchestream Ltd.  262a Fulham Rd.  London  SW10 9EL.  "you'll write in
PGP:     telegraphic, or you won't write at all" [Céline]
Copyright © 1998 Richard W.M. Jones

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to