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Date: Mon, 02 Aug 2004 20:41:35 -0600 (MDT)
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From: "M. Warner Losh" <imp@bsdimp.com>
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Subject: Re: cvs commit: src/sys/dev/eisa eisaconf.c
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In message: <20040802.195537.104022299.imp@bsdimp.com>
            "M. Warner Losh" <imp@bsdimp.com> writes:
: In message: <200408030041.i730fl2S048673@repoman.freebsd.org>
:             Nate Lawson <njl@FreeBSD.org> writes:
: : njl         2004-08-03 00:41:47 UTC
: : 
: :   FreeBSD src repository
: : 
: :   Modified files:
: :     sys/dev/eisa         eisaconf.c 
: :   Log:
: :   Change EISA probing to be less invasive.  Instead of probing all slots
: :   unconditionally, stop after the first one (system board) if no EISA hardware
: :   is detected.  This fixes a boot hang (i.e. Thinkpad) when ACPI is disabled.
: :   Also, split the probe code into a separate function and do some style cleanup.
: :   
: :   Note that the Adaptec 2842 VLB controller probe is broken by this change
: :   and will fail to probe.  It should be fixed separately.
: 
: This change, btw, was reviewed by gibbs and imp prior to the
: commit...  The 2842 VLB controller is about 13 years old.  There will
: likely be a fix for it soon from the ahc maintainer.  However, even if
: there isn't, the belief is that modern laptop owners with the eisa
: hang problem is >> the 2842 controller.  I believe the re@ signed off
                        ^number of users with a
: on this as well.