*BSD News Article 56466


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From: paule@mx42.cht.de (Gerd M. Pauli)
Newsgroups: comp.unix.bsd.bsdi.misc
Subject: SCSI Bug on BSDI 2.0.1 ??
Date: 09 Dec 1995 13:32:56 GMT
Organization: CHT Software Service GmbH & I.S.A.R Netzwerke GbRmbH
Lines: 38
Distribution: world
Message-ID: <PAULE.95Dec9143256@mx42.cht.de>
NNTP-Posting-Host: mx42.cht.de

Hello,

I have some strage problems with the SCSI driver.

Machine: 486/BSDI 2.0.1 
aha0: parity, bus transfer 5 Mb/s, bus on/off 11/4 us 
tg0 at aha0 target 0 
sd0 at tg0 unit 0: IBM OEM 0662S12 rev 2 23 (SCSI-2) 
sd1 at tg1 unit 0: SEAGATE ST41650 rev 6414 (SCSI-2) 
sd2 at tg2 unit 0: HP 97558 rev 0A0F (SCSI-2) 

Sometimes ( about every 24 hours ) the machine reports:
"aha0: operation time exceeds xxxxx seconds"

The Message repeates every 60 seconds and the machine is dead. :-(


The source said ( aha.c ):

  /*
   * Scan sccb list, look for stale entries.
   * If a read or write entry hasn't been serviced in a reasonable
   * amount of time, complain (should abort the transaction?).
   */                          ^^^^^^^^^^^^
         YES this would be better than hangin around and doing nothing !!

Is there a fix for this problem. 

CU gerd




--
Gerd Pauli                                               NIC-Handle: GP40-RIPE
CHT Software Service GbmH                             Internet Access Provider 
Steinerne Furt 78,D-86167 Augsburg                I.S.A.R Netzwerke, NTG Xlink
Phone: +49 821 7406-0    Fax: +49 821 7406-100       E-Mail: Gerd.Pauli@CHT.de