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Date: Sat, 28 Feb 2009 13:20:03 -0800
From: Sam Leffler <sam@freebsd.org>
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Subject: Re: ata problems @ r189170
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Sam Leffler wrote:
> Sam Leffler wrote:
>> HEAD @ r189170 fails to boot on a T41.  Two cd/dvd drivers are 
>> recognized (only 1 exists) and I get complaints of the form (and 
>> transcribed):
>>
>> acd1: WARNING - ATAPI_IDENTIFY taskqueue timeout - completing request 
>> directory
>>
>> (similarly for acd0) until there's a panic:
>>
>> panic: mtx_lock() of destroy mutex @ .../../../kern_sema.c:79
>>
>> (stack trace uninteresting).
>>
>
> boot -v shows:
>
> acd0: setting PIO4 on CH4 chip
> acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - ...
> acd0: setting UDMA32 on ICH4 chip
> ata1: Identifying devices: 00030000
> ata: New devices: 00000000
> ata1: reinit done ..
> panic ...
reverting r189166 gets me a bootable kernel.

    Sam