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Subject: Re: local APIC may cause XFree86 hang
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Mikael Pettersson <mikpe@csd.uu.se>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
In-Reply-To: <15826.53818.621879.661253@kim.it.uu.se>
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Date: 13 Nov 2002 23:19:29 +0000
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On Wed, 2002-11-13 at 22:29, Mikael Pettersson wrote:
> Does XFree86 (its core or particular drivers) use vm86() to
> invoke, possibly graphics card specific, BIOS code?
> That would explain the hangs I got. The fix would be to
> disable the local APIC around vm86()'s BIOS calls, just like
> we now disable it before APM suspend.

It does yes

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