https://bugzilla.kernel.org/show_bug.cgi?id=73781 --- Comment #12 from Stuart Foster <smf.linux@xxxxxxxxxxxx> --- My bisect attempt reports this as the source of the issue: root@Mars:/work/linux-git# git bisect bad b981513f806d26b2cc971eb65ced14bede67558b is the first bad commit commit b981513f806d26b2cc971eb65ced14bede67558b Author: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> Date: Thu Jan 9 16:15:19 2014 +0800 ACPI / scan: bail out early if failed to parse APIC ID for CPU Enhance ACPI CPU hotplug driver to print clear error message and bail out early if BIOS returns wrong value in ACPI MADT table or _MAT method. Otherwise it will add the CPU device even if failed to get APIC ID and fails any operations against sysfs interface: /sys/devices/system/cpu/cpux/online Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> :040000 040000 beed2874da58eff342807a9bed397a9b3f23accb 07f57bb8eb502216ae49cce21293a191b594095d M drivers -- You are receiving this mail because: You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
