Date: Fri, 14 Aug 1998 17:19:09 -0500 From: Jon Loeliger <jdl@jdl.com> To: freebsd-questions@FreeBSD.ORG Subject: SCSI CD read error? Message-ID: <199808142219.RAA00321@chrome.jdl.com>
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Folks,
I added a "Smart And Friendly" CD-R to my SCSI chain and
tried using it this afternoon. For the most part, it
worked fine. But then, things took a nasty turn...
I'm running, get this:
chrome 201 % uname -a
FreeBSD chrome.jdl.com 2.2-BETA_A FreeBSD 2.2-BETA_A #0: Tue Dec 24
03:41:49 1996 jkh@time.cdrom.com:/usr/src/sys/compile/GENERIC i386
(I know, I know, I know. But, all this is in preparation to
off-loading and upreving the whole shebang anyways... :-)
Can anyone shed some light on this one? If you want the
traditional complete boot message, please let me know.
Here are the obviously relevant parts:
Aug 14 10:47:34 chrome /kernel: ncr0 <ncr 53c810 scsi> rev 2 int a irq 10 on pci0:12
Aug 14 10:47:34 chrome /kernel: ncr0 waiting for scsi devices to settle
Aug 14 10:47:34 chrome /kernel: (ncr0:3:0): "HP HP35470A 1009" type 1 removable SCSI 2
Aug 14 10:47:34 chrome /kernel: st0(ncr0:3:0): Sequential-Access
Aug 14 10:47:34 chrome /kernel: st0(ncr0:3:0): 5.0 MB/s (200 ns, offset 8)
Aug 14 10:47:34 chrome /kernel: density code 0x13, drive empty
Aug 14 10:47:34 chrome /kernel: (ncr0:4:0): "SAF CD-R2006PLUS 2.05" type 5 removable SCSI 2
Aug 14 10:47:34 chrome /kernel: cd0(ncr0:4:0): CD-ROM
Aug 14 10:47:34 chrome /kernel: cd0(ncr0:4:0): asynchronous.
Aug 14 10:47:34 chrome /kernel: cd present [400000 x 2048 byte records]
After accessing the drive read only for a while, it alone froze.
The rest of the kernel was running. And ``ps'' showed the process
that was trying to access the drive as being in a "D+" state.
Here's what messages showed:
Aug 14 15:25:25 chrome /kernel: ncr0:4: ERROR (0:41) (9-29-0) (e0/13) @ (bbc:19000000).
Aug 14 15:25:25 chrome /kernel: script cmd = 89030000
Aug 14 15:25:25 chrome /kernel: reg: da 10 80 13 47 e0 04 1f 18 09 84 29 80 00 09 00.
Aug 14 15:25:25 chrome /kernel: ncr0: have to clear fifos.
Aug 14 15:25:25 chrome /kernel: ncr0: restart (fatal error).
Aug 14 15:25:25 chrome /kernel: cd0(ncr0:4:0): COMMAND FAILED (9 ff) @f2234c00.
Aug 14 15:25:57 chrome /kernel: ncr0: timeout ccb=f2234c00 (skip)
Aug 14 15:46:05 chrome halt: halted by jdl
Thanks,
jdl
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