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Message-ID: <1444877109.5998.4.camel@falcon.homelinux.org> Date: Wed, 14 Oct 2015 22:45:09 -0400 From: Donald Parsons <dparsons@...ghtdsl.net> To: "Brown, Len" <len.brown@...el.com> 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 On Thu, 2015-10-15 at 02:09 +0000, Brown, Len wrote: > Donald, Shane, > Thanks for reporting this. > > > > 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. > > right, if the issue is caused by the patch below, > that cmdline will not help. > > > Did you try reverting the "x86/smpboot: Remove APIC.wait_for_init_deassert > > and atomic init_deasserted" patch? > > Yes, please let me know if reverting that patch helps you too. How? Please send a patch or git cmd(s). I have the git/stable/linux-stable.git on my PC. Thanks. > You have similar hardware: > > Shane: > > smpboot: CPU0: Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz (fam: 06, model: 0f, stepping: 06) > > Donald: > > CPU : Intel Core 2 CPU 6600 @ 2.4GHz Mine is also same (fam: 06, model: 0f, stepping: 06). > I think I can get ahold of a core2 6xxx box tomorrow. > Please send me your .config directly, and I'll see if I can reproduce the issue. Will do. Don -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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