From owner-freebsd-scsi Tue Jul 21 04:48:42 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id EAA05209 for freebsd-scsi-outgoing; Tue, 21 Jul 1998 04:48:42 -0700 (PDT) (envelope-from owner-freebsd-scsi@FreeBSD.ORG) Received: from IAEhv.nl (root@iaehv.IAEhv.nl [194.151.64.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id EAA05189 for ; Tue, 21 Jul 1998 04:48:27 -0700 (PDT) (envelope-from wjw@surf.IAE.nl) Received: from surf.IAE.nl (root@surf.IAEhv.nl [194.151.66.2]) by IAEhv.nl (8.8.7/8.8.7) with ESMTP id NAA10859; Tue, 21 Jul 1998 13:48:08 +0200 (CEST) Received: (from wjw@localhost) by surf.IAE.nl (8.8.7/8.8.7) id NAA05663; Tue, 21 Jul 1998 13:48:08 +0200 (MET DST) Date: Tue, 21 Jul 1998 13:48:08 +0200 (MET DST) From: Willem Jan Withagen Message-Id: <199807211148.NAA05663@surf.IAE.nl> To: karl@mcs.net Subject: Re: AHC errors under load. X-Newsgroups: list.freebsd.scsi In-Reply-To: <19980720175223.53615@mcs.net> References: <199807202153.VAA16546@digi.digiware.nl> Organization: Internet Access Eindhoven, the Netherlands Cc: scsi@FreeBSD.ORG Sender: owner-freebsd-scsi@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org In article <19980720175223.53615@mcs.net> you write: >This is VERY bad. You now have trash in at least one file (if you're >lucky), or a wrecked directory structure (if you're unlucky). > >Find the cause. > >Like immediately. > >Termination problems can cause this problem, and it should be treated with >EXTREME severity. Well it's not that serious, since I was only running bonnie and iozone on that volume, as part of a stress-test. I guess it failed. You say termination? Could it be funcky firmware? But I'm still wondering what the messages mean?? Is it because a device did not respond? Did the controller forget about things? ..... --WjW >> I got the message below, some more junk, and then the AHC resets the bus. >> But the system is still up and running. >> First time I eve see this. >> Can anybody explain what happened? >> >> hobby kernel log messages: >> > sd2(ahc0:9:0): data overrun of 16777215 bytes detected in Data-Out phase. Tag == 0x9. Forcing a retry. >> > sd2(ahc0:9:0): Have seen Data Phase. Length = 65536. NumSGs = 15. >> > sg[0] - Addr 0x3326000 : Length 4096 >> > sg[1] - Addr 0x627000 : Length 8192 >> > sg[2] - Addr 0x3ea9000 : Length 4096 >> > sg[3] - Addr 0x3baa000 : Length 4096 >> > sg[4] - Addr 0x206b000 : Length 4096 >> > sg[5] - Addr 0x242c000 : Length 4096 >> > sg[6] - Addr 0x396d000 : Length 4096 -- Internet Access Eindhoven BV., voice: +31-40-2 393 393, data: +31-40-2 606 606 P.O. 928, 5600 AX Eindhoven, The Netherlands Full Internet connectivity for only fl 12.95 a month. Call now, and login as 'new'. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message