Date: Wed, 29 Jul 1998 16:21:51 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Eric Patterson <ericp@ro.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: cam and ASUS P2B-S Message-ID: <Pine.BSF.4.00.9807291620390.24795-100000@resnet.uoregon.edu> In-Reply-To: <Pine.LNX.3.96.980729065605.6585A-100000@sh1.ro.com>
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On Wed, 29 Jul 1998, Eric Patterson wrote: > > > On Tue, 28 Jul 1998, Doug White wrote: > > On Mon, 27 Jul 1998, Eric Patterson wrote: > > > > > I have gotten FreeBSD installed on this machine. Everything works fine > > > until I attach an external SCSI device to the on board AIC 7890. When I > > > do this, It begins to boot fine, but then just before it completes the > > > boot, I get the following error. > > > > > > panic: ahc0: brkadrint, Data-path Parity Error at seqaddr = 0x17e > > > > The 7890 shouldn't be supported yet ... you need the CAM patches. Odd > > that it would detect it okay though ... > > Oops. I didn't make that clear in my original message. I was using a > CAMified boot floppy. Ah, ok, so you should have a CAMified kernel. right? > I have made every effort to ensure that the termination is > set properly. I am only using two ports on the controller, i.e. one 68 > pin internal and the external port. Could this be a problem with the CAM > drivers? Or is this classic operator error? Probably the latter, but as > best I can tell, and I am no expert, it seems to be a problem with CAM. > If so, I'd be happy to provide more details if it would be helpful to > the CAM folks. Has anyone else had similar problems? Is the adapter set to `automatic' termination? It has to turn it's own termination off when you attach an external device, and the external device must be terminated. > I have installed the Adaptec 2940UW on the same machine with the same > external and internal SCSI devices and everything works great. It's not > urgent, but the curious side of me wants to get the 7890 working anyway. Who ever thought up the split bus connectors should be shot. It's been the cause of more problems and anguish over how to terminate. Doug White | University of Oregon Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant http://gladstone.uoregon.edu/~dwhite | Computer Science Major To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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