linux-kernel - Re: [Bug 41722] Clevo M5X0JE hangs in ACPI init

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Date:	Thu, 19 Jan 2012 11:48:39 -0200
From:	Rogério Brito <rbrito@....usp.br>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Edward Donovan <edward.donovan@...ble.net>,
	Thomas Gleixner <tglx@...utronix.de>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	linux-kernel@...r.kernel.org,
	Márcia Coutinho de Brito <mcbrito@...il.com>,
	Ram Pai <linuxram@...ibm.com>, rui.zhang@...el.com
Subject: Re: [Bug 41722] Clevo M5X0JE hangs in ACPI init

Hi, Yinghai.

On Thu, Jan 19, 2012 at 03:06, Yinghai Lu <yinghai@...nel.org> wrote:
> 2012/1/18 Rogério Brito <rbrito@....usp.br>:
>> Regarding these options, Yinghai, the options which I enabled once I
>> typed "make oldconfig" were:
>>
>> CONFIG_PCI_PRI
>> CONFIG_PCI_PASID
>
> should be not related.

Thanks. It would be good if, once all these problems were fixed, if
the help of those options were fleshed out a little bit for lusers
(e.g., me). Heck, I can even try to contribute some patches to
document some options, once I understand them.

>> I did just that and uploaded a video from Linus's git tree with the
>> options above to:
>>
>>    http://youtu.be/_dYhkWHfep0
>>
>> It took a long time to boot (about 7 minutes), but all details are
>> there, I hope.  I can repeat the same steps for your for-pci2 branch,
>> if you want me to.
>
> yes, please esp need patch.
>
> http://git.kernel.org/?p=linux/kernel/git/yinghai/linux-yinghai.git;a=commitdiff;h=e3a7a7d4ea1b6a2be82ef454096aff7856c14de5

With CONFIG_BOOT_PRINTK_DELAY enabled and with "boot_delay=500" on the
command line, I checked out the for-pci2 branch of your tree and this
is what I get:

    http://youtu.be/bWEme7iFD7g

If you want me to, say, recompile Linus's vanilla tree with only a few
selected patches, please let me know. I will now try to test some
other combinations of the options passed to the kernel.


Regards,

-- 
Rogério Brito : rbrito@...e.usp.br,gmail.com} : GPG key 4096R/BCFCAAAA
http://rb.doesntexist.org : Packages for LaTeX : algorithms.berlios.de
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