From: Bjorn Helgaas <bhelgaas@google.com>
To: "Rogério Brito" <rbrito@ime.usp.br>
Cc: "Yinghai Lu" <yinghai@kernel.org>,
"Linus Torvalds" <torvalds@linux-foundation.org>,
"Jesse Barnes" <jbarnes@virtuousgeek.org>,
"Ivan Kokshaysky" <ink@jurassic.park.msu.ru>,
"Edward Donovan" <edward.donovan@numble.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
"Márcia Coutinho de Brito" <mcbrito@gmail.com>,
"Ram Pai" <linuxram@us.ibm.com>,
rui.zhang@intel.com
Subject: Re: [Bug 41722] Clevo M5X0JE hangs in ACPI init
Date: Mon, 6 Feb 2012 15:11:15 -0800 [thread overview]
Message-ID: <CAErSpo5R7uAoN01zS2eMKPHJq3RF6mXN1d1j8C143ZuKziYEVw@mail.gmail.com> (raw)
In-Reply-To: <CAErSpo7wFda_6C7q9YLApJmRe8D=dnB4ks8VJ3UXQta_qm_8vA@mail.gmail.com>
On Thu, Jan 26, 2012 at 7:41 PM, Bjorn Helgaas <bhelgaas@google.com> wrote:
> On Thu, Jan 26, 2012 at 4:16 AM, Rogério Brito <rbrito@ime.usp.br> wrote:
>> On Thu, Jan 26, 2012 at 00:03, Yinghai Lu <yinghai@kernel.org> wrote:
>>> 2012/1/25 Rogério Brito <rbrito@ime.usp.br>:
>>>>
>>>> Wild thoughts: I just saw that nouveau calls some ACPI stuff to get
>>>> EDID information and, as ACPI is broken on this notebook, could that
>>>> be a potential reason for the panic that I'm seeing? (Yes, I can take
>>>> a photo of the screen).
>>>
>>> Which 2.6.x kernel works on your laptop without disabling acpi?
>>
>> Unfortunately, no 2.6 kernel has worked on this laptop without
>> acpi=off. I also once booted FreeBSD here just to see how it would
>> behave and it also hang with ACPI enabled.
>>
>> From what I see on this notebook, if ACPI is not turned off, the
>> computer simply hangs once the ACPI is started (it gives one layman
>> like me the impression of entering an infinite loop). But, again, this
>> is just a layman observation of what the system appears to be doing.
>
> My guess is that most of these problems are related, so if we fixed
> whatever causes the ACPI hang, the other problems would probably go
> away, too.
>
> Did you figure out anything about the MTRRs?
Ping :) Let me know if you'd like a patch to print out the MTRR info
later in boot where it will be slow enough to capture in a video.
Bjorn
next prev parent reply other threads:[~2012-02-06 23:11 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-41722-5003@https.bugzilla.kernel.org/>
[not found] ` <201109062222.p86MMlK9023363@demeter2.kernel.org>
2012-01-07 1:31 ` [Bug 41722] Clevo M5X0JE hangs in ACPI init Rogério Brito
2012-01-07 1:50 ` Linus Torvalds
2012-01-07 4:19 ` Edward Donovan
2012-01-08 22:27 ` Rogério Brito
2012-01-09 4:20 ` Bjorn Helgaas
2012-01-10 2:12 ` Rogério Brito
2012-01-08 22:13 ` Rogério Brito
2012-01-08 22:23 ` Linus Torvalds
2012-01-09 19:22 ` Jesse Barnes
2012-01-09 19:41 ` Linus Torvalds
2012-01-10 1:32 ` Yinghai Lu
2012-01-10 2:41 ` Rogério Brito
2012-01-10 5:07 ` Yinghai Lu
2012-01-11 7:04 ` Rogério Brito
2012-01-12 5:06 ` Yinghai Lu
2012-01-13 11:59 ` Rogério Brito
2012-01-13 17:29 ` Yinghai Lu
2012-01-13 22:24 ` Yinghai Lu
2012-01-14 2:01 ` Rogério Brito
2012-01-14 7:09 ` Rogério Brito
2012-01-14 21:05 ` Yinghai Lu
2012-01-16 23:08 ` Bjorn Helgaas
2012-01-19 3:50 ` Rogério Brito
2012-01-19 5:06 ` Yinghai Lu
2012-01-19 13:48 ` Rogério Brito
2012-01-19 16:12 ` Yinghai Lu
2012-01-19 16:15 ` Rogério Brito
2012-01-19 17:20 ` Rogério Brito
2012-01-19 19:48 ` Yinghai Lu
2012-01-21 9:26 ` Ram Pai
2012-01-21 10:35 ` Yinghai Lu
2012-01-24 22:18 ` Rogério Brito
2012-01-24 22:53 ` Bjorn Helgaas
2012-01-25 0:19 ` Yinghai Lu
2012-01-25 0:34 ` Linus Torvalds
2012-01-25 0:57 ` Yinghai Lu
2012-01-25 1:55 ` Rogério Brito
2012-01-25 2:33 ` Rogério Brito
2012-01-25 2:39 ` Rogério Brito
2012-01-25 23:58 ` Rogério Brito
2012-01-26 2:03 ` Yinghai Lu
2012-01-26 11:16 ` Rogério Brito
2012-01-27 3:41 ` Bjorn Helgaas
2012-02-06 23:11 ` Bjorn Helgaas [this message]
2012-02-07 0:21 ` Rogério Brito
2012-01-27 6:53 ` Yinghai Lu
2012-01-10 5:24 ` Bjorn Helgaas
2012-01-11 7:05 ` Rogério Brito
2012-01-11 10:45 ` Ram Pai
2012-01-10 1:57 ` Rogério Brito
2012-01-10 9:25 ` Edward Donovan
2012-01-11 7:15 ` Rogério Brito
2012-01-08 0:55 ` Márcia Brito
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