From owner-freebsd-stable  Mon May 20 21:49:24 2002
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Subject: Re: ATA observations in FreeBSD 4.6-RC
From: John Merryweather Cooper <john_m_cooper@yahoo.com>
Reply-To: john_m_cooper@yahoo.com
To: Matthias Andree <ma@dt.e-technik.uni-dortmund.de>
Cc: FreeBSD Stable <freebsd-stable@freebsd.org>, sos@freebsd.org
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On Mon, 2002-05-20 at 08:00, Matthias Andree wrote:
> Matthias Andree <ma@dt.e-technik.uni-dortmund.de> writes:
> 
> > If my PR #37060 lacks ANY information that may help tracking this
> > down. I just filed a followup noting that I'm using ATA_STATIC_ID today
> > because I found it lacked from my original report.
> 
> OK, it's not ATA_STATIC_ID. I removed this option, rebooted, set
> hw.ata.tags="1" in the loader manually => boom, kernel panic, NULL
> dereference.
> 
> ATA configuration:
> 
> VIA KT133
> 
> ad0: Maxtor 4W060H4 primary master
> no primary slave
> ad1: IBM DTLA-307045 primary slave, tagged capable
> ad2: WDC AC420400D, tagged capable with Linux 2.5.15 but not FreeBSD 4.6-RC.
> 
> -- 
> Matthias Andree
> 
> To Unsubscribe: send mail to majordomo@FreeBSD.org
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On my system:

VIA KT133A (686B)

atapci0: <VIA 82C686 ATA100 controller> port 0xa000-0xa00f at device 7.1
on pic0
atapci0: Correcting VIA config for southbridge data corruption bug

ad0: 58644MB <IC35L060AVER07-0> [119150/16/63] at ata0-master UDMA100
ad1: 12416MB <QUANTUM FIREBALL CX13.0A> [25228/16/63] at ata0-slave
UDMA66

NOTE: ad0 is an IBM IDE drive of recent manufacture.  It worked with
tagged=1 until about a month into 4.5-STABLE and then it would Trap 12
on boot (and continues to do so at will unless tagged is disabled).

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