Date: Sat, 13 Sep 2003 19:28:58 -0500 (CDT) From: Jason Bacon <bacon@smithers.neuro.mcw.edu> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/56759: System freezes when writing CD Advansys SCSI HP cdwriter+ 9200 Message-ID: <200309140028.h8E0Sw4X002326@smithers.neuro.mcw.edu> Resent-Message-ID: <200309140030.h8E0UDG1090592@freefall.freebsd.org>
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>Number: 56759 >Category: kern >Synopsis: System freezes when writing CD Advansys SCSI HP cdwriter+ 9200 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Sep 13 17:30:13 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Jason Bacon >Release: FreeBSD 5.1-RELEASE i386 >Organization: Medical College of Wisconsin >Environment: System: FreeBSD smithers.neuro.mcw.edu 5.1-RELEASE FreeBSD 5.1-RELEASE #0: Thu Jun 5 02:55:42 GMT 2003 root@wv1u.btc.adaptec.com:/usr/obj/usr/src/sys/GENERIC i386 ASUS P5A, BIOS 1011-beta, K6-2 500Mhz, Advansys ASC3150C rev B SCSI adapter, HP CD-writer plus 9200 cdrw >Description: System locks up when trying to burn CD with Advansys host adapter. Also locked once when trying to mount a CD that worked in the ATAPI CDROM. Rebooted (after disabling aha driver in /boot/device.hints - was trying a 1542 card). Following reboot was able to mount a CD in the cdrw, but attempting to write consistently caused lockup. cdrecord -blank appeared to work, but system froze as soon as write began. ( Always hit the reset button with "0 of 243 megabytes written" on the screen. ) Replaced Advansys card with an Adaptec 2940, and all is well. >How-To-Repeat: Should be repeatable on a pristine 5.1R install with Advansys card. The only changes made were adding pcm to kernel, and kern.timecounter.hardware=TSC to /etc/sysctl.conf to work around a clock speed doubling problem caused by ACPI. Also enabled aha by commenting out the disabled=1 line in /boot/device.hints and tried a 1542 card (system hung at boot - separate report) but restored device.hints to its original state. >Fix: Unknown >Release-Note: >Audit-Trail: >Unformatted:
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