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From: pan <pan@syix.com>
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Subject: kern/36748: ata breaks raid
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>Number:         36748
>Category:       kern
>Synopsis:       ata breaks raid
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Apr 04 06:20:03 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     pan
>Release:        FreeBSD 4.5-STABLE i386
>Organization:
>Environment:
System: FreeBSD sexus.npqr.net 4.5-RELEASE FreeBSD 4.5-RELEASE #0: Mon Mar 25 14:07:06 PST 2002 proteus@sexus.npqr:/usr/src/sys/compile/SEXUS i386
uname -a  not possible for failed 4.45-STABLE kernel
mb Abit KR7A-R
chipset KT266  VT8366A VT8233
raid HPT372
	
>Description:
clean install of 4.5r mis-identifies hpt372 as ata 100 not atat 133
clean install of 4.5r detects non-existent via 82c686
cvsup to 4.5s == broken ar0, hpt372 ignored,
disks in array are dropped one ata a time,
panic, failed sync, gives up, no boot

booting to kernel.old (4.5-RELEASE)after 4.5-STABLE kenrel
fails == no problem, ar0 not really broken
	
>How-To-Repeat:
buy Abit KR7A-R
read in HARDWARE.TXT that hpt372 is supported
install FreeBSD 4.5 RELEASE
discover working system excpet as noted above
cvsup to 4.5-STABLE
fail boot
	
>Fix:
return 4.5-STABLE ata code back to what was working in 4.5-RELEASE???
	


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

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