From owner-freebsd-stable  Sat Aug  4 19:40:34 2001
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To: Matt Dillon <dillon@earth.backplane.com>
Cc: Helge Oldach <helge.oldach@atosorigin.com>,
	freebsd-stable@FreeBSD.ORG
Subject: Re: Dell Poweredge 2450 vs. recent sys/dev/aic7xxx MFCs 
In-Reply-To: Your message of "Sat, 04 Aug 2001 18:56:59 PDT."
             <200108050156.f751uxj77597@earth.backplane.com> 
Date: Sat, 04 Aug 2001 20:40:26 -0600
From: "Justin T. Gibbs" <gibbs@scsiguy.com>
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>    I just built the world and a new kernel on one of my DELL2550's and
>    the same problem happens.  This is a stock 2550, there's no chance 
>    of the SCSI backplane being broken and it worked fine with an older
>    kernel.
>
>I've included two boot verbose dumps.  The first is with the latest kernel.
>The second is with the previous (working) kernel.
>
>						-Matt

Can you see if the attached patch corrects both your problems?

Thanks,
Justin

Index: aic7xxx.seq
===================================================================
RCS file: /usr/cvs/src/sys/dev/aic7xxx/aic7xxx.seq,v
retrieving revision 1.94.2.14
diff -u -r1.94.2.14 aic7xxx.seq
--- aic7xxx.seq	2001/07/28 18:46:40	1.94.2.14
+++ aic7xxx.seq	2001/08/05 02:39:06
@@ -1680,7 +1680,11 @@
 	 */
 	test	SCB_RESIDUAL_SGPTR[0], SG_LIST_NULL jz mesgin_sdptrs_full;
 	or	SCB_SGPTR, SG_LIST_NULL;
-	jmp	mesgin_done;
+	if ((ahc->features & AHC_ULTRA2) != 0) {
+		jmp	ITloop;
+	} else {
+		jmp	mesgin_done;
+	}
 
 mesgin_sdptrs_full:
 

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