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Date:      Thu, 6 Jul 2006 18:46:55 GMT
From:      trasz <trasz@pin.if.uz.zgora.pl>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   kern/99850: ataraid hangs in g_waitidle when attaching to nVidia RAID0 with broken drive
Message-ID:  <200607061846.k66Ikt2F074803@www.freebsd.org>
Resent-Message-ID: <200607061850.k66IoFV4013627@freefall.freebsd.org>

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>Number:         99850
>Category:       kern
>Synopsis:       ataraid hangs in g_waitidle when attaching to nVidia RAID0 with broken drive
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jul 06 18:50:15 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     trasz
>Release:        6.1
>Organization:
>Environment:
FreeBSD traszkan.ds7 6.1-RELEASE-p1 FreeBSD 6.1-RELEASE-p1 #1: Thu Jun 22 15:52:56 CEST 2006     trasz@traszkan.ds7:/usr/obj/usr/src/sys/TRASHCAN  i386
>Description:
I've got a machine with NForce pseudoraid controller, with two disks configured as RAID0.
One of these disks is broken (physically).  'kldload ataraid' fails with (retyped by hand):

ar0: 476950MB <nVidia MediaShield RAID0 (stripe 64KB)> status: READY
ar0: disk0 READY using ad4 as ata2-master
ar0: disk1 READY using ad6 as ata2-master
ad4: FAILURE - READ_DMA status=51<READY, ???_ERROR> error=1<ILLEGAL_LENGTH>
ar0: FAILURE - RAID0 array broken
ar0: writing of nVidia MediaShield metadata is NOT supported yet

^T shows:

load: 0.00 cmd: kldload 249 [g_waitidle] 0.00u 0% 544k

It hangs here.  When ataraid is compiled into the kernel - like in GENERIC - it makes booting
impossible.

>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:



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