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Date: Tue, 13 Jan 2004 09:37:22 -0800
cc: freebsd-current@FreeBSD.ORG
cc: Jeffrey Katcher <jmkatcher@yahoo.com>
Subject: Re: 5.2-CURRENT panic on startup after cvsup: probably recent ATA
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>> ata1: reiniting channel ..
>> ata1: reset tp1 mask=03 ostat0=00 ostat1=00
>> ata1-master: stat=0x00 err=0x01 lsb=0x14 msb=0xeb
>> ata1-slave: stat=0x00 err=0x01 lsb=0x14 msb=0xeb
>> ata1: reset tp2 mask=03 stat0=00 stat1=00 devices=0xc<ATAPI_SLAVE,ATAPI_MASTER>
>> ata1: resetting done ..
>> ata1-master: pio=0x0c wdma=0x22 udma=0x42 cable=40pin
>> ata1-master: setting PIO4 on Intel ICH4 chip
>> ata1-master: setting PIO4 on Intel ICH4 chip
>> ata1: device config done ..
>> 
>> Fatal trap 12: page fault while in kernel mode
>> 
>> Is that any help?
> 
> And what do youhave on ata1 ? one ATAPI device as master ?

in my case, there is nothing on ata1.  well, at least no devices ...

# 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

randy