From root@totalterror.net  Wed Sep 12 09:20:13 2007
Return-Path: <root@totalterror.net>
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id B6BA916A418
	for <FreeBSD-gnats-submit@freebsd.org>; Wed, 12 Sep 2007 09:20:13 +0000 (UTC)
	(envelope-from root@totalterror.net)
Received: from sellinet.net (galileo.sellinet.net [82.199.192.2])
	by mx1.freebsd.org (Postfix) with SMTP id E538813C48E
	for <FreeBSD-gnats-submit@freebsd.org>; Wed, 12 Sep 2007 09:20:12 +0000 (UTC)
	(envelope-from root@totalterror.net)
Received: (qmail 18230 invoked by uid 1009); 12 Sep 2007 11:52:01 +0300
Received: from root@totalterror.net by galileo by uid 1002 with qmail-scanner-1.22 
 (spamassassin: 3.0.3.  Clear:RC:1(82.199.197.152):. 
 Processed in 0.712417 secs); 12 Sep 2007 08:52:01 -0000
Received: from unknown (HELO ndenev.totalterror.net) (82.199.197.152)
  by galileo.sellinet.net with SMTP; 12 Sep 2007 11:52:01 +0300
Received: (qmail 1372 invoked from network); 12 Sep 2007 11:48:18 +0300
Received: from unknown (HELO totalterror.net) (127.0.0.1)
  by ndenev.totalterror.net with AES256-SHA encrypted SMTP; 12 Sep 2007 11:48:18 +0300
Received: (from root@localhost)
	by totalterror.net (8.14.1/8.14.1/Submit) id l8C8mI8c001370;
	Wed, 12 Sep 2007 11:48:18 +0300 (EEST)
	(envelope-from root)
Message-Id: <200709120848.l8C8mI8c001370@totalterror.net>
Date: Wed, 12 Sep 2007 11:48:18 +0300 (EEST)
From: Niki Denev <niki@totalterror.net>
Reply-To: Niki Denev <niki@totalterror.net>
To: FreeBSD-gnats-submit@freebsd.org
Subject: atacontrol(8) reports wrong stripe for intel raid0	
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         116302
>Category:       bin
>Synopsis:       [ataraid] atacontrol(8) reports wrong stripe for intel raid0
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          suspended
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Sep 12 09:30:02 GMT 2007
>Closed-Date:    
>Last-Modified:  Sun Sep 05 20:10:18 UTC 2010
>Originator:     Niki Denev
>Release:        FreeBSD 7.0-CURRENT i386
>Organization:
>Environment:
System: FreeBSD ndenev.totalterror.net 7.0-CURRENT FreeBSD 7.0-CURRENT #18: Sat Sep 8 13:13:35 EEST 2007 ndenev@ndenev.totalterror.net:/usr/obj/usr/src/sys/TERROR i386



>Description:
	atacontrol(8) reports wrong stripe size of Intel ICH8R created
RAID0 arrays.

>How-To-Repeat:
	Create RAID0 array on Intel ICH8R mobo (Asus p5b deluxe) with stripe size 128K either with atacontrol or bios utility.
FreeBSD ata-raid driver then sees the array ar0 correctly, but atacontrol(8) status shows double stripe size.

ndenev# dmesg | grep ^ar0
ar0: 305251MB <Intel MatrixRAID RAID0 (stripe 128 KB)> status: READY
ar0: disk0 READY using ad4 at ata2-master
ar0: disk1 READY using ad6 at ata3-master
ndenev# atacontrol status ar0
ar0: ATA RAID0 stripesize=256 status: READY
 subdisks:
   0 ad4  ONLINE
   1 ad6  ONLINE

	
>Fix:

	Unknown. It's possible that the problem is not in atacontrol(8)
because it doesn't do anything fancy with the data returned from the ioctl call to query the array status.


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->suspended 
State-Changed-By: arundel 
State-Changed-When: Sun Sep 5 20:09:33 UTC 2010 
State-Changed-Why:  
Work on the ATA subsytem has been suspended, because eventually it will get 
replaced by CAM. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=116302 
>Unformatted:
