From owner-freebsd-scsi  Mon Jul 20 14:54:32 1998
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From: wjw@digi.digiware.nl (Willem Jan Withagen)
Message-Id: <199807202153.VAA16546@digi.digiware.nl>
Subject: AHC errors under load.
To: scsi@FreeBSD.ORG
Date: Mon, 20 Jul 1998 23:53:17 +0200 (CEST)
Reply-To: wjw@digiware.nl
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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?

Thanx,
--WjW

----- Forwarded message from Charlie Root -----

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
> sg[7] - Addr 0x262e000 : Length 4096
> sg[8] - Addr 0x12ef000 : Length 4096
> sg[9] - Addr 0x21b0000 : Length 4096
> sg[10] - Addr 0x2971000 : Length 4096
> sg[11] - Addr 0x16b2000 : Length 4096
> sg[12] - Addr 0x2833000 : Length 4096
> sg[13] - Addr 0x2f34000 : Length 4096
> sg[14] - Addr 0x33b5000 : Length 4096
> sd2(ahc0:9:0): data overrun of 16777215 bytes detected in Data-Out phase.  Tag == 0x9.  Forcing a retry.
> sd2(ahc0:9:0): Haven't 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
> sg[7] - Addr 0x262e000 : Length 4096
> sg[8] - Addr 0x12ef000 : Length 4096
> sg[9] - Addr 0x21b0000 : Length 4096
> sg[10] - Addr 0x2971000 : Length 4096
> sg[11] - Addr 0x16b2000 : Length 4096
> sg[12] - Addr 0x2833000 : Length 4096
> sg[13] - Addr 0x2f34000 : Length 4096
> sg[14] - Addr 0x33b5000 : Length 4096
----- End of forwarded message from Charlie Root -----

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