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Date:      Fri, 01 Sep 2000 18:08:48 +0200
From:      Poul-Henning Kamp <phk@critter.freebsd.dk>
To:        Soren Schmidt <sos@freebsd.dk>
Cc:        current@FreeBSD.ORG, hackers@FreeBSD.ORG
Subject:   Re: Tagged queuing for ATA drives, patches up for testing 
Message-ID:  <29949.967824528@critter>
In-Reply-To: Your message of "Thu, 31 Aug 2000 13:58:46 %2B0200." <200008311158.NAA75155@freebsd.dk> 

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>
>I've put the latest patches for tagged queueing on ATA disks up
>for ftp on:
>
>  ftp://freebsd.dk/pub/ATA/ATA-tagged-queueing-diff-0831.gz

On my testmachine:

atapci0: <VIA 82C686 ATA66 controller> port 0xffa0-0xffaf at device 4.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
...
ad0: 17206MB <IBM-DJNA-371800> [34960/16/63] at ata0-master UDMA66
ad1: 14664MB <IBM-DJNA-351520> [29795/16/63] at ata1-master tagged UDMA66

If I enable it on ad0, without without enabling it on ad1 it chokes.

ad1 seems to be stable.

Is there any way to read the firmware rev on ATA disks ?

--
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD coreteam member | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


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