Re: Another SCSI Sync

[Mike Anderson <andmike@us.ibm.com>]

I am looking at this now. I switched my config from new AIC to old AIC
and see a failure similar to what Andrew Morton was seeing when he switched.

It looks to be a bug in error handling while probing.

Linus Torvalds [torvalds@transmeta.com] wrote:
> 
> Hmm.. Some part of the last syncs seem to break for a lot of people. See
> the linux kernel mailing list. One report (Rob Radez <rob@osinvestor.com>)  
> chased it down some:
> 
> 	On Tue, Mar 04, 2003 at 11:42:41PM -0600, David van Hoose wrote:
> 	> Kernels 2.5.63 and 2.5.64 lock up when displaying the information for my 
> 	> ZipDrive during SCSI probe. Attached is my .config for 2.5.64.
> 
> 	I suspect I'm seeing something similar.  On SPARC, I'm getting a hang
> 	after displaying the information for my SCSI CD-ROM drive.
> 
> 	scsi0 : Sparc ESP100A-FAST
> 	Vendor: SEAGATE   Model: ST31200W SUN1.05  Rev: 8724
> 	Type:   Direct-Access                      ANSI SCSI revision: 02
> 	Vendor: SEAGATE   Model: ST32155W SUN2.1G  Rev: 8456
> 	Type:   Direct-Access                      ANSI SCSI revision: 02
> 	Vendor: TOSHIBA   Model: XM-4101TASUNSLCD  Rev: 1755
> 	Type:   CD-ROM                             ANSI SCSI revision: 02
> 	<hang>
> 
> 	Worked fine in 2.5.62, hangs in 2.5.63. Reverting the scsi changes
> 	listed at
> 		http://osinvestor.com/sparc/patch/2.5.63-revertscsi.diff
> 	allows 2.5.63 to boot.
> 
> Please check it out.. The common thread seems to be "non-disk".
> 
> 		Linus
> 
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-andmike
--
Michael Anderson
andmike@us.ibm.com