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

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Date:	Wed, 14 Oct 2015 12:20:20 -0400
From:	shrybman <shrybman@...savvy.com>
To:	linux-kernel@...r.kernel.org
Cc:	len.brown@...el.com, dparsons@...ghtdsl.net
Subject: 3.4-rc smpboot: do_boot_cpu failed(-1) to wakeup CPU#1

All 3.4-rc kernels I have tried displayed this issue.

This report looks similar https://lkml.org/lkml/2015/9/26/165.
I also have a Core 2 cpu on a Asus P5B (not deluxe) board.

...
 ACPI: Core revision 20150818
 ACPI: 1 ACPI AML tables successfully acquired and loaded
 Mount-cache hash table entries: 8192 (order: 4, 65536 bytes)
 Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes)
 CPU: Physical Processor ID: 0
 CPU: Processor Core ID: 0
 mce: CPU supports 6 MCE banks
 CPU0: Thermal monitoring enabled (TM2)
 process: using mwait in idle threads
 Last level iTLB entries: 4KB 128, 2MB 4, 4MB 4
 Last level dTLB entries: 4KB 256, 2MB 0, 4MB 32, 1GB 0
 Freeing SMP alternatives memory: 20K (ffffffff819b5000 - ffffffff819ba000)
 ftrace: allocating 18583 entries in 73 pages
 ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
 smpboot: CPU0: Intel(R) Core(TM)2 CPU          6400  @ 2.13GHz (fam: 06, model: 0f, stepping: 06)
 Performance Events: PEBS fmt0-, 4-deep LBR, Core2 events, Intel PMU driver.
 perf_event_intel: PEBS disabled due to CPU errata
 ... version:                2
 ... bit width:              40
 ... generic registers:      2
 ... value mask:             000000ffffffffff
 ... max period:             000000007fffffff
 ... fixed-purpose events:   3
 ... event mask:             0000000700000003
 x86: Booting SMP configuration:
 .... node  #0, CPUs:      #1
 smpboot: do_boot_cpu failed(-1) to wakeup CPU#1
 x86: Booted up 1 node, 1 CPUs
 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.

Regards,

Shane

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