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

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Date:	Thu, 19 Jan 2012 11:48:29 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	Rogério Brito <rbrito@....usp.br>
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

2012/1/19 Rogério Brito <rbrito@....usp.br>:
>
> OK, now it seems that we are getting farther. The system boots, even
> mounts the root filesystem, udev starts and, then, when it seems that
> some USB messages are going to appear on the screen, the notebook
> crashes with the same distortion that happened before (with some of
> the last messages appearing being related to OHCI).

in that case, Can you try to disable OHCI in .config

CONFIG_USB_OHCI_HCD

OHCI controller 00:0b.0 is using
Memory at b0004000 (32-bit, non-prefetchable) [size=4K]

VGA controller 00:05.0
	Memory at b2000000 (32-bit, non-prefetchable) [size=16M]
	Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Memory at b1000000 (64-bit, non-prefetchable) [size=16M]
	[virtual] Expansion ROM at 80000000 [disabled] [size=128K]

it seems not related. or could be ioremap etc have problem?

So can you try to boot with nopat?

Thanks

Yinghai
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