linux-kernel - Re: Patch "USB: Work around BIOS bugs by quiescing USB controllers earlier" causes MCEs

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Message-ID: <19141.54587.207559.849751@pilspetsen.it.uu.se>
Date:	Fri, 2 Oct 2009 12:26:03 +0200
From:	Mikael Pettersson <mikpe@...uu.se>
To:	Nick Piggin <npiggin@...e.de>
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Patch "USB: Work around BIOS bugs by quiescing USB controllers earlier" causes MCEs

Nick Piggin writes:
 > Hi,
 > 
 > Your patch db8be50c4307dac2b37305fc59c8dc0f978d09ea is causing my
 > ia64 Altix system to die with an MCE in early boot.

The same commit has been confirmed by two people on the ARM list
to cause boot failures on two different Intel XScale IOP machines.
The machines have serial consoles, but only show

Uncompressing Linux... done. Booting the kernel.

before they hang.
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