Date: Thu, 4 Mar 2004 11:34:53 -0500 (EST) From: Carl Mascott <cmascott@att.net> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/63768: Must access /dev/acd0c before using /dev/acd0t1 Message-ID: <200403041634.i24GYrUr000439@callisto.local> Resent-Message-ID: <200403041640.i24GeQ4T015988@freefall.freebsd.org>
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>Number: 63768 >Category: kern >Synopsis: Must access /dev/acd0c before using /dev/acd0t1 >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Mar 04 08:40:26 PST 2004 >Closed-Date: >Last-Modified: >Originator: Carl Mascott >Release: FreeBSD 4.8-RELEASE i386 >Organization: none >Environment: System: FreeBSD callisto.local 4.8-RELEASE FreeBSD 4.8-RELEASE #0: Tue Oct 21 13:36:23 EDT 2003 cmascott@callisto.local:/usr/src/local_4/sys/compile/CAL480-001 i386 >Description: If /dev/acd0c has not been accessed since FreeBSD was booted then an attempt to access /dev/acd0t1 or any other individual track fails with a "Device not configured" error. >How-To-Repeat: - create a device node for /dev/acd0t1 if you do not already have one - shut down and reboot - insert a data CD in acd0 (but do not mount it) and repeat the following: # dd if=/dev/acd0t1 bs=4b count=1 of=/dev/null dd: /dev/acd0t1: Device not configured # dd if=/dev/acd0c bs=4b count=1 of=/dev/null 1+0 records in 1+0 records out 2048 bytes transferred in 0.301996 secs (6782 bytes/sec) # dd if=/dev/acd0t1 bs=4b count=1 of=/dev/null 1+0 records in 1+0 records out 2048 bytes transferred in 0.000377 secs (5433229 bytes/sec) >Fix: Unknown >Release-Note: >Audit-Trail: >Unformatted:
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