recent commits break via 8235 ata

[Nate Lawson]

Giorgos Keramidas wrote:
> On 2007-04-10 19:22, John Baldwin <jhb at freebsd.org> wrote:
>> On Tuesday 10 April 2007 16:13, Nate Lawson wrote:
>>> Giorgos Keramidas wrote:
>>>> This is the change which stops snd_hda from working here:
>>>>
>>>> %   Revision  Changes    Path
>>>> %   1.233     +39 -55    src/sys/dev/acpica/acpi.c
>>>>
>>>> If I update my kernel sources to Wed Mar 21 14:39:39 2007 +0000
>>>> (including the sys/modules/padlock/Makefile commit of Sam Leffler, to
>>>> fix the kernel build from Wed Mar 21 17:37:13 2007 +0000), I can see
>>>> that the snd_hda driver probes my sound card correctly.
>>>>
>>>> Updating after the commit shown above, breaks snd_hda.
>>> I just finished a binsearch and can verify this exact commit causes the
>>> problem for my ATA also.  I'll spend some more time debugging it later.
>>>
>>> John, can I back out rev 1.233 of acpi.c until you return since it
>>> prevents some machines from booting?
>> Well, it most likely means there are other bugs that just happen to
>> not break with the older stuff.  Are you sure that just this one
>> change fixes things rather than the changes to the nexus drivers?
> 
> For snd_hda on my Toshiba laptop, I can verify that reverting this
> changeset only makes snd_hda probe correctly again.  I resynced to last
> night's HEAD version of CVS, reverted this change only, and the snd_hda
> drives still probes correctly.  Rebuilding with rev 1.233 of acpi.c
> results in the same failure to attach with:
> 
>   pcm0: hdac_get_capabilities: Invalid rirb size (0)
>   device_attach: pcm0 attach returned 6
> 

Me too, just this one rev fixes my ATA.

-- 
Nate