Date: Wed, 20 Jan 1999 01:42:07 -0500 (EST) From: Simon Shapiro <shimon@simon-shapiro.org> To: koziol@ncsa.uiuc.edu Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: DPT problems Message-ID: <XFMail.990120014207.shimon@simon-shapiro.org> In-Reply-To: <199901200333.VAA01491@hawkwind.ncsa.uiuc.edu>
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koziol@ncsa.uiuc.edu, On 20-Jan-99 you wrote: > Hi Simon, > I was hoping you'd be watching the list... :-) > > > koziol@ncsa.uiuc.edu, On 19-Jan-99 you wrote: > > > Howdy, > > > I'm running 3.0-release (and impatiently waiting for the > > > 3.0-stable > > > release tomorrow.. :-) on an SMP box with an Adaptec 3940AUW on the > > > Tyan > > > S1836DLUAN motherboard. I've installed a DPT PM2654U2-R with 16MB > > > of > > > cache > > > RAM in the system also, but I can't get the kernel to recognize my > > > hard > > > drive > > > when it is trying to mount root, near the end of the booting > > > process. > > > It > > > gets as far as saying "changing root device to da0s1a" and then > > > whines > > > about > > > not finding the drive to mount as root. This is weird to me, since > > > it's > > > gotten > > > this far by reading the kernel from the drive.. :-? I've attached > > > my > > > kernel > > > config file below, can anyone point out any obvious problems? > > > Perhaps > > > this is > > > already fixed in the current->stable tree and I can just download > > > the > > > stable > > > source tomorrow when it's released? (knock on wood :-) I'm > > > currently > > > running > > > fine (but slower than I want) from the on-board Adaptec controller. > > > > > > Thanks for any help, > > > Quincey Koziol > > > koziol@ncsa.uiuc.edu > > > > Please help me out here. What exactly is a PM2654U2-R ? > > I it by any chance a SmartCace V? One of the i2o, i960 based cards? > > If so, I do not have the driver completed yet. If not, please give me > > some > > more hardware details... > Yes, it is a SmartCache V with the newer I2O & i960, etc. I noticed > your > posting that you are working on the driver for it, which is great! Do > you have > a good idea about when you might be finished? I'm a little cautious > about > being a beta tester (this machine is important and not backed up yet), > but I'd > like to help out if it'll help you get the driver written more > quickly/easily. Until the coding and initial testing is done, I need few more hours in the day than 24. It really is a one-person job :-( > > BTW, it is very feasible for a DPT to allow you to boot, but not run; > > the > > boot code uses BIOS calls and the DPT card emulates IDE via the SCSI > > BIOS. > > The kernel, of course, does not use the BIOS, thus it sees but it does > > not... > Hmm, is there a way to enable the driver to use IDE calls until you > finish the "native" driver for the card? on the old cards, one could set things up in this manner. The new ones? Maybe I can find out... Simon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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