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Date: Tue, 13 Jan 2004 10:51:45 -0800
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Subject: Re: 5.2-CURRENT panic on startup after cvsup: probably recent ATA
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>> # dmesg | grep ata
>> atapci0: <Intel ICH4 UDMA100 controller> port
>> 0x1860-0x186f,0-0x3,0-0x7,0-0x3,0-0x7 at device 31.1 on pci0
>> ata0: at 0x1f0 irq 14 on atapci0
>> ata0: [MPSAFE]
>> ata1: at 0x170 irq 15 on atapci0
>> ata1: [MPSAFE]
>> ad0: 54164MB <HTS726060M9AT00> [110048/16/63] at ata0-master UDMA100
>> acd0: CDRW <UJDA745 DVD/CDRW> at ata1-master UDMA33
> That says we have masters on each ata channel: HD on ata0 and CDRW on ata1

ok.  if i remove the cd-rom, the kernel seems to boot just fine.

randy