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    SubjectRE: Regression between rc2 and rc6: ACPI EC problems
    Date
    Hi, Walfram

    You can register onto the kernel Bugzilla and monitor this bug for further updates:
    https://bugzilla.kernel.org/show_bug.cgi?id=102421

    Thanks and best regards
    -Lv

    > From: linux-acpi-owner@vger.kernel.org [mailto:linux-acpi-
    > owner@vger.kernel.org] On Behalf Of Wolfram Sang
    > Subject: Regression between rc2 and rc6: ACPI EC problems
    >
    > Hi,
    >
    > when upgrading from v4.7-rc2 to rc6 on my Dell Mini 9, battery and
    > temperature status info got bogus. Here is the major change between the
    > boot logs:
    >
    > ACPI : EC: EC stopped
    > ACPI Exception: AE_BAD_PARAMETER, Returned by Handler for
    > [EmbeddedControl] (20160422/evregion-300)
    > ACPI Error: Method parse/execution failed [\_SB.PCI0.LPCB.EC0._REG]
    > (Node f5d09870), AE_BAD_PARAMETER (20160422/psparse-542)
    > ACPI Exception: AE_BAD_PARAMETER, from region _REG,
    > [EmbeddedControl] (20160422/evregion-397)
    > ACPI Exception: AE_BAD_PARAMETER, Returned by Handler for
    > [EmbeddedControl] (20160422/evregion-300)
    > ACPI Error: Method parse/execution failed [\_SB.PCI0.LPCB.EC0._REG]
    > (Node f5d09870), AE_BAD_PARAMETER (20160422/psparse-542)
    > ACPI Exception: AE_BAD_PARAMETER, from region _REG,
    > [EmbeddedControl] (20160422/evregion-397)
    > ACPI : EC: GPE = 0x19, I/O: command/status = 0x66, data = 0x62
    > ACPI : EC: EC started
    >
    > The only config changes between the kernels were enabling MMC block
    > devices and DM_CRYPT. Not likely to cause the above, I'd think.
    >
    > Does that ring a bell for someone? This little machine has only an SSD
    > without TRIM, so bisecting is not really an option. I can provide more
    > info and test patches, though.
    >
    > Thanks,
    >
    > Wolfram

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