From owner-freebsd-questions Sun Aug 9 02:20:57 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id CAA28568 for freebsd-questions-outgoing; Sun, 9 Aug 1998 02:20:57 -0700 (PDT) (envelope-from owner-freebsd-questions@FreeBSD.ORG) Received: from pat.uio.no (pat.uio.no [129.240.130.16]) by hub.freebsd.org (8.8.8/8.8.8) with SMTP id CAA28563 for ; Sun, 9 Aug 1998 02:20:56 -0700 (PDT) (envelope-from anders.odberg@usit.uio.no) Received: from troll.uio.no (actually troll.uio.no [129.240.186.19]) by pat.uio.no with SMTP (PP); Sun, 9 Aug 1998 11:20:34 +0200 Received: from odberg by troll.uio.no with local (Exim 2.00 #1) id 0z5ReT-0000Sa-00; Sun, 9 Aug 1998 11:20:33 +0200 To: freebsd-questions@FreeBSD.ORG Cc: anders.odberg@usit.uio.no Subject: scsi errors and crash MIME-Version: 1.0 From: Anders Odberg Date: 09 Aug 1998 11:20:32 +0200 Message-ID: Lines: 69 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, My newsfeeding-box (running FreeBSD-2.2.6) keeps crashing once or twice a month with these messages : Aug 5 15:43:33 feedme /kernel: sd1(ahc1:2:0): SCB 0x1 - timed out in dataout phase, SCSISIGI == 0x4 Aug 5 15:43:33 feedme /kernel: sd1(ahc1:2:0): SCB 0x1 - timed out in dataout phase, SCSISIGI == 0x4 Aug 5 15:43:33 feedme /kernel: SEQADDR = 0x121 SCSISEQ = 0x12 SSTAT0 = 0x0 SSTAT1 = 0x2 Aug 5 15:43:33 feedme /kernel: SEQADDR = 0x121 SCSISEQ = 0x12 SSTAT0 = 0x0 SSTAT1 = 0x2 Aug 5 15:43:33 feedme /kernel: sd1(ahc1:2:0): abort message in message buffer Aug 5 15:43:33 feedme /kernel: sd1(ahc1:2:0): abort message in message buffer Aug 5 15:43:34 feedme /kernel: sd1(ahc1:2:0): SCB 0x0 timedout while recovery in progress Aug 5 15:43:34 feedme /kernel: sd1(ahc1:2:0): SCB 0x0 timedout while recovery in progress Aug 5 15:43:35 feedme /kernel: Unexpected busfree. LASTPHASE == 0x0 Aug 5 15:43:35 feedme /kernel: Unexpected busfree. LASTPHASE == 0x0 Aug 5 15:43:35 feedme /kernel: SEQADDR == 0x122 Aug 5 15:43:35 feedme /kernel: SEQADDR == 0x122 Aug 5 15:43:36 feedme /kernel: sd1(ahc1:2:0): no longer in timeout Aug 5 15:43:36 feedme /kernel: sd1(ahc1:2:0): no longer in timeout Aug 5 15:43:43 feedme /kernel: Timedout SCB handled by another timeout Aug 5 15:43:43 feedme /kernel: Timedout SCB handled by another timeout And occasionally it logs this, but without crashing : Aug 8 10:38:33 feedme /kernel: sd1(ahc1:2:0): SCB 0x1 - timed out in dataout phase, SCSISIGI == 0x4 Aug 8 10:38:33 feedme /kernel: SEQADDR = 0x41 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x2 Aug 8 10:38:33 feedme /kernel: sd1(ahc1:2:0): abort message in message buffer Aug 8 10:38:35 feedme /kernel: sd1(ahc1:2:0): SCB 0x0 - timed out in dataout phase, SCSISIGI == 0x14 Aug 8 10:38:35 feedme /kernel: SEQADDR = 0x41 SCSISEQ = 0x12 SSTAT0 = 0x7 SSTAT1 = 0x2 Aug 8 10:38:35 feedme /kernel: sd1(ahc1:2:0): no longer in timeout Aug 8 10:38:35 feedme /kernel: ahc1: Issued Channel A Bus Reset. 2 SCBs aborted Aug 8 10:38:36 feedme /kernel: sd1(ahc1:2:0): UNIT ATTENTION asc:29,0 Aug 8 10:38:36 feedme /kernel: sd1(ahc1:2:0): Power on, reset, or bus device reset occurred Aug 8 10:38:36 feedme /kernel: , retries:3 ahc1 is an Adaptec 2940, sd1 is 3 Seagate Cheetah's striped together on a CMD scsi-to-scsi raid-box : ahc1 rev 0 int a irq 15 on pci0:18:0 ahc1: aic7880 Wide Channel, SCSI Id=7, 16 SCBs ahc1 waiting for scsi devices to settle (ahc1:2:0): "CMD TECH CRD-5330 C1-2" type 0 fixed SCSI 2 sd1(ahc1:2:0): Direct-Access 13017MB (26658816 512 byte sectors) Does anyone know what these error messages mean, and perhaps suggestions as to how to fix this ? I've tried replacing the scsi-cables and terminators without any effect. Regards, -Anders. -- Anders Odberg, Center for Information Technology Services University of Oslo, Norway To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message