linux-kernel - Re[2]: 3.4-rc smpboot: do_boot_cpu failed(-1) to wakeup CPU#1

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Date:	Wed, 14 Oct 2015 20:17:01 -0400
From:	shrybman <shrybman@...savvy.com>
To:	"Donald Parsons" <dparsons@...ghtdsl.net>
Cc:	len.brown@...el.com, linux-kernel@...r.kernel.org
Subject: Re[2]: 3.4-rc smpboot: do_boot_cpu failed(-1) to wakeup CPU#1

..snip..

> >  smpboot: Total of 1 processors activated (4272.42 BogoMIPS)
> >  devtmpfs: initialized
> > I took a guess and got lucky.
> > Reverting "x86/smpboot: Remove APIC.wait_for_init_deassert and atomic init_deasserted" resolved the issue.
> 
> 
> As a followup, I updated compiler to gcc-5.2 (no help or change).
> I also tried suggested /vmlinuz-4.3.0-rc3 parameter in grub: 
>         "cpu_init_udelay=10000"
> which did not help getting missing CPU back online.


Did you try reverting the "x86/smpboot: Remove APIC.wait_for_init_deassert
and atomic init_deasserted"  patch?





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