linux-kernel - RE: Re[2]: 3.4-rc smpboot: do_boot

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Message-ID: <1A7043D5F58CCB44A599DFD55ED4C94846938132@fmsmsx115.amr.corp.intel.com>
Date:	Fri, 16 Oct 2015 00:03:45 +0000
From:	"Brown, Len" <len.brown@...el.com>
To:	Donald Parsons <dparsons@...ghtdsl.net>
CC:	shrybman <shrybman@...savvy.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: Re[2]: 3.4-rc smpboot: do_boot_cpu failed(-1) to wakeup CPU#1

> I did the revert in linux-stable (last tag being v4.3-rc4) gave a revert
> description so it would be applied.
> 
> built and tested.  Result:  did not help, still missing the second core.

Same result here.

upstream failed to bring up CPU #1 on 5/5 boots

    Revert "x86/smpboot: Remove APIC.wait_for_init_deassert and atomic init_deasserted"

    This reverts commit 656bba306827a44ed73b3f93f75bb3147de17fae.

Still fails the same way.

Adding "cpu_init_udelay=10000"

does not help.

commence bisect...

cheers,
-Len


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