Messages in this thread | | | Date | Tue, 24 Feb 1998 15:23:53 +0100 (MET) | From | Rik van Riel <> | Subject | 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 APIC+aic = bad |
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On Tue, 24 Feb 1998, Richard Jones wrote: > 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. > > 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
OK, so we can conclude that the hang occurs somewhere higher up in the kernel. Maybe in the block device handling or in ll_rw_blk.c... And it must be something subtle since we haven't found anything obvious yet :-( ...Time for a detective...
Rik. +-----------------------------+------------------------------+ | For Linux mm-patches, go to | "I'm busy managing memory.." | | my homepage (via LinuxHQ). | H.H.vanRiel@fys.ruu.nl | | ...submissions welcome... | http://www.fys.ruu.nl/~riel/ | +-----------------------------+------------------------------+
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