Recent ATA changes break Thinkpad T40p
sos at DeepCore.dk
Sun Aug 22 08:02:10 PDT 2004
Oliver B. Fischer wrote:
> Brian Buchanan wrote:
>> 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 at 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
This is *not* a controller problem, its because the CDROM drive has
buggy firmware that responds to both master and slave selection :(
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