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From: Thomas Gleixner <tglx@linutronix.de>
To: Michal Necasek <michal.necasek@oracle.com>
Cc: linux-kernel@vger.kernel.org, prarit@redhat.com,
	ville.syrjala@linux.intel.com, michael.thayer@oracle.com,
	frank.mehnert@oracle.com, knut.osmundsen@oracle.com
Subject: Re: 4.8.2 not booting in 32-bit VM without I/O-APIC
Date: Fri, 28 Oct 2016 20:38:02 +0200 (CEST)	[thread overview]
Message-ID: <alpine.DEB.2.20.1610282031230.5053@nanos> (raw)
In-Reply-To: <ca86ac5f-ce41-4773-98c5-9f55bac43503@default>

On Fri, 28 Oct 2016, Michal Necasek wrote: 

> I suspect that either init_apic_mappings() needs to be called earlier or
> the initial fix from commit 2a51fe08 needs to be done later.

Linus tree has a fix for this:

ff8560512b8d x86/boot/smp: Don't try to poke disabled/non-existent APIC

It's on the way to stable as well. Can you try whether that works for you?

Thanks,

	tglx

  reply	other threads:[~2016-10-28 18:40 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-28 18:30 Michal Necasek
2016-10-28 18:38 ` Thomas Gleixner [this message]
2016-10-28 18:52 Michal Necasek
2016-10-28 19:00 ` Thomas Gleixner
2016-10-28 19:34   ` Thomas Gleixner
2016-10-29 10:18     ` Borislav Petkov
2016-11-03 20:02 Michal Necasek
2016-11-10 14:21 ` Michael Thayer
2016-11-10 17:18   ` Thomas Gleixner

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