Date: Mon, 16 Nov 1998 11:08:37 +0100 From: Ron Klinkien <root@zappa.demon.nl> To: "Kenneth D. Merry" <ken@plutotech.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Adaptec SCSI messages Message-ID: <19981116110837.A5504@zappa.demon.nl> In-Reply-To: <199811160525.WAA25664@panzer.plutotech.com>; from Kenneth D. Merry on Sun, Nov 15, 1998 at 10:25:21PM -0700 References: <19981114144915.A244@zappa.demon.nl> <199811160525.WAA25664@panzer.plutotech.com>
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On Sun, Nov 15, 1998 at 10:25:21PM -0700, Kenneth D. Merry wrote: > Ron Klinkien wrote... > > > > Any scsi wizards know what this mean, and what to do? > > You would be better off sending SCSI questions like this to the SCSI list. > (freebsd-scsi@FreeBSD.ORG) Ah ok, I forgot there was one... > > > ahc0: Issued Channel A Bus Reset. 8 SCBs aborted > > Okay, what this means is that your drive went "out to lunch" and didn't > come back. We had to whap it over the head to wake it up. > > This could be a firmware issue, but I'm not entirely sure. I have played with the scsi delay in the kernel config, the last time i rebooted it didn't display the message anymore. It has something to do with warm and cold reboots I think. > > > changing root device to da0s1a > > da0 at ahc0 bus 0 target 6 lun 0 > > da0: <QUANTUM VIKING II 4.5WLS 3506> Fixed Direct Access SCSI2 device > > da0: 40.0MB/s transfers (20.0MHz, offset 31, 16bit), Tagged Queueing Enabled > > da0: 4350MB (8910423 512 byte sectors: 255H 63S/T 554C) > > Do you have this disk plugged into the Ultra2 port on the motherboard? If > it is an Ultra 2 device, it should probbe at 40MHz. (assuming you don't > have any non-Ultra2 peripherals on the Ultra 2 port) Yes, thats another strange thing, but since i never saw anyone with 40.0MHz reported I assumed it was ok. The Quantum is the only device on the Ultra2 cable. > > > The cdrom device msg comes after 10 seconds during the rest of the bootup. > > That is normal. CDROM drives are often slower than other peripherals to > respond. Aha ok, it looks a bit weird the msgs are being displayed over everything else. And sometime all the lines are displayed twice. > > What does the tagged openings msg mean? I get them only if the > > scsi devices are getting more work to do. > > It means that your disk has space to hold that many transactions at a time. > It's informational, and tells you when you have good hardware, and when you > have sucky hardware. :) Aha ok ;-) > It may well be a firmware bug. I don't think tuning any kernel parameters > will fix it. > > Here's a quick checklist of things to look at, just to make sure you've > done everything on your end to make things work: > > - make sure your SCSI bus is terminated on both ends. You should probably > not use the 'automatic' termination option in the bios. (i.e., use > "high on/low on", "high on/low off" or "high off/low off", depending on > your bus topology) There are loads of parameters in the adaptec bios, I'll have another look at them. > > - make sure you don't have any crimps in your SCSI cable The Ultra2 cable is a wierd looking double twisted one, it looks very good shielded ;-) > > - make sure your cable doesn't go near the power supply > > I'll run this by Justin tomorrow, he may have some more ideas on this one. Ok, i'll investigate the inside of my computer this afternoon. Thanks. Ron. > > > Ken > -- > Kenneth Merry > ken@plutotech.com -- --- "You could jam in Joe's garage..." -FZ Ron Klinkien System Engineer ron@zappa.demon.nl http://www.zappa.demon.nl To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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