>Number: 8882
>Category: kern
>Synopsis: 3.0-RELEASE hangs when mounting Micropolis 2112 SCSI drive
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Sat Nov 28 12:10:02 PST 1998
>Last-Modified:
>Originator: Hellmuth Michaelis
>Organization:
Kitchen Table Systems
>Release: FreeBSD 3.0-RELEASE i386
>Environment:
FreeBSD 3.0-Release and a Micropolis 2112 SCSI disk, cut from dmesg-output:
da0 at ncr0 bus 0 target 0 lun 0
da0: <MICROP 2112-15MQ1086403 HQ48> Fixed Direct Access SCSI2 device
da0: Serial Number 3014208169
da0: 3.300MB/s transfers
da0: 1001MB (2051615 512 byte sectors: 64H 32S/T 1001C)
>Description:
FreeBSD 3.0-Release hangs with no further error message at install time
when the drives are probed in sysinstall (and this device is physically
attached to the system) or at mount time when a file system residing on
this device is mounted.
>How-To-Repeat:
see "Description" above.
>Fix:
apply the following patch to /sys/cam/scsi/scsi_da.c
*** scsi_da.c-DIST Wed Oct 14 01:34:54 1998
--- scsi_da.c Sat Nov 28 20:14:17 1998
***************
*** 141,146 ****
--- 141,153 ----
},
{
/*
+ * This drive doesn't like the synchronize cache command
+ */
+ {T_DIRECT, SIP_MEDIA_FIXED, "MICROP", "2112*", "*"},
+ /*quirks*/ DA_Q_NO_SYNC_CACHE
+ },
+ {
+ /*
* Doesn't like the synchronize cache command.
* Reported by: Blaz Zupan <blaz@gold.amis.net>
*/
>Audit-Trail:
>Unformatted:
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