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Date:      Fri, 15 Jun 2012 09:16:16 +0200 (CEST)
From:      Oliver Fromme <olli@lurza.secnetix.de>
To:        freebsd-stable@FreeBSD.ORG, marius@alchemy.franken.de
Subject:   Re: Boot hangs on v9 system at CD device probe
Message-ID:  <201206150716.q5F7GGCD053882@lurza.secnetix.de>
In-Reply-To: <20120614222851.GQ46065@alchemy.franken.de>

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Marius Strobl wrote:
 > [...]
 > > > > > http://people.freebsd.org/~marius/ata_ite_ATA_CAM_ATA_NO_ATAPI_DMA.diff
 > [...]
 > 
 > I've committed it to head in r237107 as a band-aid for now as it's a
 > sufficiently severe problem. Obviously, fixing ATA_CAM to not break
 > ATAPI CAM instead is the right thing to do. I've already spent quite
 > some time trying to find the underlying but didn't get anywhere with
 > that so far though (granted, most of that wasted time was because of
 > me thinking that this would be due to an endian bug only seen on big
 > endian machines, which turned out to not be the case). AFAICT, mav@
 > also has ALI hardware affected by this issue, maybe he'll have a
 > look at it eventually ...

I'm not sure if it's the same or a different issue, but ATA_CAM
also breaks for me with a legacy P-ATA controller (UDMA-133) on
RELENG_9.  Removing ATA_CAM and adding "atapicam" fixes it.

I've described the problem in more detail here:
http://lists.freebsd.org/pipermail/freebsd-stable/2012-June/068175.html

This is the controller in question:

pciconf:
atapci0@pci0:3:6:0:     class=0x018085 card=0x4d68105a chip=0x4d69105a rev=0x02 hdr=0x00
    vendor     = 'Promise Technology, Inc.'
    device     = '20269'
    class      = mass storage

dmesg:
atapci0: <Promise PDC20269 UDMA133 controller> port 0xdc00-0xdc07,
0xd880-0xd883,0xd800-0xd807,0xcc00-0xcc03,0xc880-0xc88f mem
0xfeaf8000-0xfeafbfff irq 21 at device 6.0 on pci3

Shall I open a PR with this?

Of course, I can try any patches that somebody throws at me.  :-)

Best regards
   Oliver


-- 
Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M.
Handelsregister: Registergericht Muenchen, HRA 74606,  Geschäftsfuehrung:
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chen, HRB 125758,  Geschäftsführer: Maik Bachmann, Olaf Erb, Ralf Gebhart

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