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    SubjectRe: Linux 5.3-rc7
    On Sat, 7 Sep 2019, Chris Wilson wrote:
    > Quoting Linus Torvalds (2019-09-02 18:28:26)
    > > Bandan Das:
    > > x86/apic: Include the LDR when clearing out APIC registers
    >
    > Apologies if this is known already, I'm way behind on email.
    >
    > I've bisected
    >
    > [ 18.693846] smpboot: CPU 0 is now offline
    > [ 19.707737] smpboot: Booting Node 0 Processor 0 APIC 0x0
    > [ 29.707602] smpboot: do_boot_cpu failed(-1) to wakeup CPU#0
    >
    > https://intel-gfx-ci.01.org/tree/drm-tip/igt@perf_pmu@cpu-hotplug.html
    >
    > to 558682b52919. (Reverts cleanly and fixes the problem.)
    >
    > I'm guessing that this is also behind the suspend failures, missing
    > /dev/cpu/0/msr, and random perf_event_open() failures we have observed
    > in our CI since -rc7 across all generations of Intel cpus.

    So is this on bare metal or in a VM?

    Thanks,

    tglx

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