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    SubjectRe: [GIT PULL] More ACPI updates for v4.10-rc1
    On Wed, Jan 4, 2017 at 3:19 PM, Linus Torvalds
    <torvalds@linux-foundation.org> wrote:
    >
    > This is my normal desktop, so pretty plain HW.
    >
    > It doesn't happen on my laptop, so it's obviously hw-related or
    > possibly config-related.

    .. and here's the stack trace.

    Side note: should the '\n' be deleted? ACPI_ERROR() seems to add that
    silly "where it happened" at the end, but due to the '\n' we end up
    with two lines...

    Linus

    ---

    ACPI Warning: Table ffffffffb0e6c0a0, Validation count is zero
    before decrement
    (20160930/tbutils-456)
    ------------[ cut here ]------------
    WARNING: CPU: 0 PID: 0 at drivers/acpi/acpica/tbutils.c:457
    acpi_tb_put_table+0x4e/0x62
    Modules linked in:
    CPU: 0 PID: 0 Comm: swapper Not tainted
    4.10.0-rc2-00103-g4cf184638bcf-dirty #1
    Hardware name: System manufacturer System Product Name/Z170-K, BIOS
    1803 05/06/2016
    Call Trace:
    acpi_tb_put_table+0x4e/0x62
    acpi_put_table+0x40/0x4d
    detect_intel_iommu+0x9d/0xed
    pci_iommu_alloc+0x50/0x6c
    mem_init+0xf/0x8a
    start_kernel+0x21e/0x454
    x86_64_start_reservations+0x24/0x26
    x86_64_start_kernel+0x182/0x193
    start_cpu+0x14/0x14
    ---[ end trace 5e897a808e950ddc ]---

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