Messages in this thread | | | Date | Sun, 19 Mar 2000 16:00:33 +0900 (KST) | From | "G. Hugh Song" <> | Subject | Re: AIC-7890 SCSI problems |
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On Sat, 18 Mar 2000, Dr. Michael Weller wrote:
> On Fri, 17 Mar 2000, G. Hugh Song wrote: > > > I tried 5.1.21 and 5.1.28. Now, I use 5.1.28. Enabling the debug-mode > > should not have anything to do with the SCSI timeout error. So, > > this must be a bug of the aic7xxx driver. > > While it should not have to do anything with it, it slows execution > (changes the timing), may overcome certain compiler bugs by adding new > commands and may even enable interrupts in odd places to print a message > somewhere. > > So, in reality, it often affects the behaviour of the system. Here, it > probably means the source of your problems is a timing issue or race > condition. > > Michael. > > BTW, I had some major problems with the aic7xxx driver on a aha2940u2w in > 2.2.14. It seems the mode sense handling was pretty much screwed and > caused havoc with more elaborate scsi devices (tapes, removables) that > need more than plain SCSI read/write commands.
Ah-ha! I've got a SCSI CDRewritable drive from Sony. That probably caused timing erors. I guess I need to take out that fancy rewritable and put a plain IDE cdrom.
> My problem (fortunately, knock on wood) seems to be cured by the 5.1.28 > release. From my problems I'd claim that anyone trying to use a tape or > similar device would get plenty of problems w/o it.
Without what?
> A new 2.2 release with > the updated aic7xxx driver is almost unavoidable.
Are you talking about version 5.2.? of aic7xxx? The aic7xxx homepage does not have it yet. http://people.redhat.com/dledford/aic7xxx.html > > Michael. > > -- > > Michael Weller: eowmob@exp-math.uni-essen.de, eowmob@ms.exp-math.uni-essen.de, > or even mat42b@spi.power.uni-essen.de. If you encounter an eowmob account on > any machine in the net, it's very likely it's me. >
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