recent commits break via 8235 ata

[John Baldwin]

On Wednesday 11 April 2007 05:21, 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

Can you get boot verbose dmesg for both kernels?

-- 
John Baldwin