Date: Sun, 22 Aug 2004 20:57:22 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: sos@DeepCore.dk Cc: sos@freebsd.org Subject: Re: Recent ATA changes break Thinkpad T40p Message-ID: <20040822.205722.66004608.imp@bsdimp.com> In-Reply-To: <4128C2BE.7080103@DeepCore.dk> References: <4128B29E.9060500@snafu.de> <4128B556.9040106@DeepCore.dk> <4128C2BE.7080103@DeepCore.dk>
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In message: <4128C2BE.7080103@DeepCore.dk>
Søren Schmidt <sos@DeepCore.dk> writes:
: Søren Schmidt wrote:
: > Oliver B. Fischer wrote:
: >
: >> Brian Buchanan wrote:
: >>
: >>> S�ren,
: >>>
: >>> It looks like the changes you made to ATA IRQ handling in the last few
: >>> days broke ATA support on my laptop, an IBM Thinkpad T40p.
: >>>
: >>> atapci0: <Intel ICH4 UDMA100 controller> port
: >>> 0x1860-0x186f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
: >>>
: >>> atapci0@pci0:31:1: class=0x01018a card=0x052d1014 chip=0x24ca8086
: >>> rev=0x01 hdr=0x00
: >>> vendor = 'Intel Corporation'
: >>> device = '82801DBM (ICH4-M) UltraATA/100 EIDE Controller'
: >>> class = mass storage
: >>> subclass = ATA
:
: >> I can confirm this for my R51, which have the same controller as
: >> Brians one.
: >
: >
: > This is *not* a controller problem, its because the CDROM drive has
: > buggy firmware that responds to both master and slave selection :(
:
: OK, I have committed a workaround for those buggers to -current...
:
: (for those that uses 5.3 just take your ATA driver upto -current)
This work around appears to work for me, since my ich4 was seeing the
same problems, as I reported on IRC.
Warner
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