Date: Tue, 21 Jul 1998 13:48:08 +0200 (MET DST) From: Willem Jan Withagen <wjw@surf.IAE.nl> To: karl@mcs.net Cc: scsi@FreeBSD.ORG Subject: Re: AHC errors under load. Message-ID: <199807211148.NAA05663@surf.IAE.nl> In-Reply-To: <19980720175223.53615@mcs.net> References: <199807202153.VAA16546@digi.digiware.nl>
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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
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