ACPI error on Compaq nc6220, FreeBSD 7.0

[Denis]

On 9/25/07, Nate Lawson <nate at root.org> wrote:
> Denis wrote:
> > On 9/24/07, Nate Lawson <nate at root.org> wrote:
> >> Roman Pavlik wrote:
> >>> On Sun, Sep 23, 2007 at 10:57:20AM +0400, Denis wrote:
> >>> I've seen similar issue with ACPI on my HP 6710b. Escape to debug and
> >>> return doesn't help. Sometimes helps disconecting AC line. The workaround
> >>> is comment out the following line in GENERIC:
> >>>  #options     PREEMPTION              # Enable kernel thread preemption
> >>>  #options     ADAPTIVE_GIANT          # Giant mutex is adaptive.
> >>>
> >>> Rebuild kernel, reinstall, reboot.
> >
> > Thank you, Roman. I rebuild kernel and it helps. And disconecting AC
> > line seems to help too (but tried only once)
> >
> >> Jung-uk Kim's global lock patch may be the solution.  We're trying to
> >> get this stuff committed but things are slow due to the freeze for 7.0.
> >>  You can't have too many patches floating around.
> >
> > Nate, if you mean this patch -
> > http://people.freebsd.org/~jkim/acpica/OsdSynch.diff - I tried it, but
> > without luck.
>
> Nope, I mean the one just committed to 7-current.  So just cvsup and try
> again.

I cvsuped and tried (without any additional patches). Good news -
there is no kernel panic. But unfortunately the same "hang" exist...

Best regards, Denis