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Date:      Tue, 25 Sep 2007 09:32:48 +0400
From:      Denis <piloyder@gmail.com>
To:        "Nate Lawson" <nate@root.org>
Cc:        freebsd-acpi@freebsd.org
Subject:   Re: ACPI error on Compaq nc6220, FreeBSD 7.0
Message-ID:  <325305250709242232h35a58f99w91328b91819b2096@mail.gmail.com>
In-Reply-To: <46F76A9A.2020107@root.org>
References:  <325305250709010712n4bd0d62l9a144572441cf3dc@mail.gmail.com> <325305250709131059g6b73cf51o9dc9e09d7e0c2800@mail.gmail.com> <200709131416.21302.jkim@FreeBSD.org> <200709131424.05193.jkim@FreeBSD.org> <46F01531.2000207@root.org> <325305250709222357k313597bcic349cc90f18ff4c7@mail.gmail.com> <20070924071327.GA9941@belzebub.tns.cz> <46F76A9A.2020107@root.org>

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On 9/24/07, Nate Lawson <nate@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.

Best regards, Denis



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