Date: Thu, 22 Aug 1996 11:55:04 -0700 From: Eric Blood <eblood@winky.reno.nv.us> To: Stefan Esser <se@zpr.uni-koeln.de> Cc: freebsd-bugs@freebsd.org Subject: Re: NCR825 problem Message-ID: <1569.840740104@winky> In-Reply-To: Your message of "Wed, 21 Aug 1996 22:28:09 %2B0200." <199608212028.WAA07186@x14.mi.uni-koeln.de>
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In message <199608212028.WAA07186@x14.mi.uni-koeln.de>you write: >Eric Blood writes: >I assume that your CD-ROM drive is on SCSI ID 2 ? > >Seems that some time-out occured. The error code >indicates that the NCR chip's internal processor >was interrupted (0x90 == DMA Fifo Empty + Abort) >by the host CPU. > >It seems the NCR chip was waiting for the drive >to complete some command, but it took too long >and a time expired. This is what I always get at startup: (ncr0:2:0): "TOSHIBA CD-ROM XM-3701TA 3205" type 5 removable SCSI 2 cd0(ncr0:2:0): CD-ROM cd0(ncr0:2:0): 225ns (4 Mb/sec) offset 8. cd0(ncr0:2:0): NOT READY asc:4,1 cd0(ncr0:2:0): Logical unit is in process of becoming ready can't get the size >Seems the devices at SCSI ID 0 and 1 recovered >and are back to normal again. What is the transfer >mode of device with ID 2 ? With the installation boot disk, I believe it said asynchronous. >Guess your CD-ROM takes too long to complete self-test. >What model is it ? TOSHIBA CD-ROM XM-3701TA 3205 >Hmm, might it have been caused by a cold boot at the >time you observed the aborted command, while the later >system start-up was a warm boot with all devices spun >up and ready ? There has been a combination of both warm and cold for both the default and custom kernel. >Regards, STefan Let me know if there are any other tests I can perform. Eric V. Blood eblood@cs.unr.edu, http://www.cs.unr.edu/~eblood eblood@winky.reno.nv.us
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