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From: dev@ssp.com (D. Mutha)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: SCSI hangs with Adaptec 2742 VL-Bus Controller
Followup-To: comp.unix.bsd.freebsd.misc
Date: Tue, 25 Jul 95 16:57:19 GMT
Organization: SSP Data Products
Lines: 36
Message-ID: <3v37pf$k98_001@dev.ssp.com>
Reply-To: dev@ssp.com
NNTP-Posting-Host: dev.ssp.com
Keywords: Adaptec 2742 Hang Connor
X-Newsreader: News Xpress Version 1.0 Beta #4
Anyone else experiencing SCSI Bus hangs with the Adaptec 2742 VL-Bus
controller under heavy loads?
Setup:
Clone MB SIS Chipset w/VL-BUS (Added Wait states for 40MB BUS)
AMD DX2/80 CPU
256KB W/B Cache
48MB RAM
Adaptec 2742 SCSI Controller, Intr #11
Connor 4GB HD SCSI #0 CFP-4207S
Connor 4GB HD SCSI #1 CFP-4207S
Seagate 2GB HD SCSI #2 ST-12400N
Seagate 9GB HD SCSI #3 ST-410800N
3C509B Ethernet Controller #10
3C509B Ethernet Controller #5
Com1: Intr #4
Com2: Intr #3
I'm getting random SCSI bus lockups on the Adaptec. Varies from 15 minutes to
2 weeks between hangs. Running 2.0.5 SNAP0622. This system runs INN and is
receiving & sending out several Newsfeeds (lots of disk i/o).
Any pointers?
I've already double checked termination (Active at either ends of the SCSI
chain).
Swap space 256M. Max used ~64MB. Load average varies from <.03 to <3.5
The system is still pingable and but telnet (which is being fetched from HD)
doesn't work because of hung SCSI bus.
Any advise?
-Dev Mutha
dev@ssp.com