Date: Tue, 16 Dec 1997 11:15:13 +0100 From: Marcus Haebler <mh@muenster.net> To: "'freebsd-questions@freebsd.org'" <freebsd-questions@freebsd.org> Subject: Adaptec 2940UW and 7 disks results in bus resets Message-ID: <01BD0A13.E1B62930.mh@muenster.net>
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Hi, we just added a disk to our FreeBSD-2.2-stable (about 6 months old) and are running into major problems with those 7 disks. The disks are connected to an Adaptec 2940UW. Are there any known problems with FreeBSD and the Adaptec 2940UW? A bus reset occurs every two minutes. I just grabed part of the error messages out of tonights daily report. It looks like that: > 5:0): Power on, reset, or bus device reset occurred > , retries:4 > Sending SDTR!! > sd10(ahc0:6:0): UNIT ATTENTION asc:29,0 > sd10(ahc0:6:0): Power on, reset, or bus device reset occurred > , retries:4 > sd4(ahc0:0:0): SCB 0x4 - timed out in datain phase, SCSISIGI == 0x44 > SEQADDR = 0x12c SCSISEQ = 0x12 SSTAT0 = 0x0 SSTAT1 = 0x2 > sd5(ahc0:1:0): abort message in message buffer > sd4(ahc0:0:0): SCB 0x2 timedout while recovery in progress > sd5(ahc0:1:0): SCB 0x0 - timed out in datain phase, SCSISIGI == 0x54 > SEQADDR = 0x12c SCSISEQ = 0x12 SSTAT0 = 0x0 SSTAT1 = 0x2 > ahc0: Issued Channel A Bus Reset. 14 SCBs aborted > Clearing bus reset > Clearing 'in-reset' flag > sd5(ahc0:1:0): no longer in timeout > Sending SDTR!! > Sending SDTR!! > sd10(ahc0:6:0): UNIT ATTENTION asc:29,0 > sd10(ahc0:6:0): Power on, reset, or bus device reset occurred > , retries:3 > sd5(ahc0:1:0): UNIT ATTENTION asc:29,0 > sd5(ahc0:1:0): Power on, reset, or bus device reset occurred > , retries:3 > sd4(ahc0:0:0): UNIT ATTENTION asc:29,0 > sd4(ahc0:0:0): Power on, reset, or bus device reset occurred > , retries:3 > Sending SDTR!! > Sending SDTR!! > sd8(ahc0:4:0): UNIT ATTENTION asc:29,0 > sd8(ahc0:4:0): Power on, reset, or bus device reset occurred > , retries:3 > sd7(ahc0:3:0): UNIT ATTENTION asc:29,0 > sd7(ahc0:3:0): Power on, reset, or bus device reset occurred > , retries:3 > Sending SDTR!! > Sending SDTR!! > sd9(ahc0:5:0): UNIT ATTENTION asc:29,0 > sd9(ahc0:5:0): Power on, reset, or bus device reset occurred > , retries:3 > sd6(ahc0:2:0): UNIT ATTENTION asc:29,0 > sd6(ahc0:2:0): Power on, reset, or bus device reset occurred > , retries:3 Did anybody run into similar problems? Help is needed urgently! Termination etc. is definitly OK! Bus speed is down to 20MB/s. Any ideas? Thanks in advance, Marcus Haebler --- ICS Internet Communication Systems GmbH Soester Strasse 13 Tel.: +49 251 6060-0 mailto:support@muenster.net 48155 Muenster (Germany) Fax.: +49 251 6060-190 http://www.muenster.net
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