Date: Mon, 31 Mar 1997 19:40:32 -0800 (PST) From: asami@vader.cs.berkeley.edu (Satoshi Asami) To: chuckr@glue.umd.edu Cc: freebsd-hardware@freebsd.org, scsi@freebsd.org Subject: Re: Hard disk problems Message-ID: <199704010340.TAA03903@silvia.HIP.Berkeley.EDU> In-Reply-To: <Pine.OSF.3.95q.970331212813.1995A-100000@fiber.eng.umd.edu> (message from Chuck Robey on Mon, 31 Mar 1997 21:30:01 -0500 (EST))
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[crossposted to SCSI, with reply set to there] * [I sent this message to hackers, where it got no response, so maybe I * should have sent it here. Apologies to those who will have seen it * twice.] I don't read hackers because the noise level is so high. ;) * I was wondering if someone can explain the error message I'm suddenly * seeing on bootup of one of my systems. It hangs with the message: * * ncr0: SCSI phase error fixup: CCB already dequeued (0xf2467200) * ncr0 timeout ccb=f2466600 skip * ncr0 timeout ccb=f2466800 skip * ncr0 timeout ccb=f2466a00 skip * ncr0 timeout ccb=f2467200 skip * (hangs here) I have seen something very similar on my system. The Micropolis 3243WT (which I got as a replacement to an older 3243W) doesn't boot 3 out of 4 times with "ncr0 timeout" messages (I don't get the "already dequeued" part, though). The other two disks (Atlas I and II) don't have this problem. Also, removing the CDROM (the only narrow device in the system) alleviated the symptoms somewhat (booted 3 out of 4 times). * I need to know what it means, and if there's any way to recover from it * without having to lose the whole disk (my boot disk, darn it!) I get this * error on the system after it does the full fsck (successfully), and the * system has (in total) 2 - 2G disks (this is the first one), 1 - 200 meg * disk, and one cdrom, all scsi, all hooked to one ncr 825 controller * (Tyan). Well, when I moved the Micropolis to an Adaptec 2940UW, everything started working again. ;) Satoshi
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