From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Re: venti+fossil problems on new install
Date: Thu, 21 Sep 2006 18:31:37 -0400 [thread overview]
Message-ID: <7e5a78be741c6f2d3bcc83d295f1ba21@plan9.bell-labs.com> (raw)
In-Reply-To: <6390b70ba8a68e6a34cb9545334ae131@quanstro.net>
Just to expand a little on what Charles said, the loop in
atapnp does 2 things:
1) tries to find extra PCI controllers and make them available
are DMA capable;
2) tries to match one of those with any previously found legacy
controllers so DMA can be enabled on the legacy controllers.
Case 1) above could be relaxed to make unrecognised controllers
available but without DMA. Past experience has shown that the
information set in the PCI configuration space by the BIOS is
not always accurate, but that would be an option to let more
controllers be recognised as usable during installation.
On Thu Sep 21 18:17:14 EDT 2006, quanstro@quanstro.net wrote:
> i guess i just missed the ataprobe at the beginning of the function.
>
> - erik
next prev parent reply other threads:[~2006-09-21 22:31 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-21 6:50 John Stalker
2006-09-21 8:13 ` erik quanstrom
2006-09-21 18:19 ` Lyndon Nerenberg
2006-09-21 18:25 ` erik quanstrom
2006-09-21 18:51 ` jmk
2006-09-21 20:27 ` C H Forsyth
2006-09-21 20:47 ` Charles Forsyth
2006-09-21 20:56 ` jmk
2006-09-21 21:08 ` Charles Forsyth
2006-09-21 21:50 ` erik quanstrom
2006-09-21 22:00 ` Charles Forsyth
2006-09-21 22:16 ` erik quanstrom
2006-09-21 22:31 ` Charles Forsyth
2006-09-21 22:31 ` jmk [this message]
2006-09-21 23:22 ` erik quanstrom
2006-09-21 23:28 ` geoff
2006-09-21 23:47 ` geoff
2006-09-22 0:05 ` erik quanstrom
2006-09-22 0:24 ` Russ Cox
2006-09-22 0:50 ` erik quanstrom
2006-09-22 1:25 ` jmk
2006-09-22 7:23 ` John Stalker
2006-09-22 11:23 ` erik quanstrom
2006-09-22 17:30 ` John Stalker
2006-09-22 17:45 ` erik quanstrom
2006-09-22 19:48 ` John Stalker
2006-09-22 20:09 ` erik quanstrom
2006-09-22 20:50 ` John Stalker
2006-09-22 21:06 ` erik quanstrom
2006-09-22 0:29 ` jmk
2006-09-21 23:52 ` erik quanstrom
2006-09-21 23:59 ` erik quanstrom
2006-09-22 0:50 ` geoff
2006-09-22 16:39 ` erik quanstrom
2006-09-23 5:24 Zoran Kolic
2006-09-23 6:51 ` John Stalker
2006-09-23 10:34 ` erik quanstrom
2006-09-23 15:04 ` Russ Cox
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