Date: Sun, 6 Jul 1997 16:25:25 +0200 (CEST) From: news@news.LF.net To: FreeBSD-gnats-submit@FreeBSD.ORG Subject: kern/4039: 2940UW, IBM DCAS 32160 -- hungs if ultra speed (40 MB/sec) selected Message-ID: <m0wksFh-000HyvC@news.LF.net> Resent-Message-ID: <199707061430.HAA24091@hub.freebsd.org>
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>Number: 4039 >Category: kern >Synopsis: 2940UW and DCAS 32160 -- hungs if 40 MB/sec is selected and used >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Jul 6 07:30:00 PDT 1997 >Last-Modified: >Originator: LF.net News Administration >Organization: LF.net GmbH >Release: FreeBSD 2.2.2-RELEASE i386 >Environment: Installed 2.2.2 in a maschine with four DCAS 32160 drives on a adaptec 2940UW. >Description: doing a newfs on the second drive while doing I/O will cause a system hung (no response, no reboot), if 40 MB/sec was selected as IO-speed for each SCSI drive in the adaptec BIOS. Will hung not always, but very often. >How-To-Repeat: install a complete system on SCSI ID 0. do a newfs on SCSI ID 1 or a newfs on the ccd containing all of sd1, sd2, sd3. The system will hang in most of the cases (responses to ping, but not disk IO). >Fix: Select 20 MB/sec and it works. I will test it soon as a news server, whether it will cope with the load. >Audit-Trail: >Unformatted:
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