From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Wolfram Sang <wsa@the-dreams.de>
Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
Lv Zheng <lv.zheng@intel.com>
Subject: Re: Regression between rc2 and rc6: ACPI EC problems
Date: Wed, 06 Jul 2016 23:28:55 +0200 [thread overview]
Message-ID: <2028379.c7e6Pd4oDW@vostro.rjw.lan> (raw)
In-Reply-To: <20160706141410.GA1430@tetsubishi>
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On Wednesday, July 06, 2016 11:14:11 PM Wolfram Sang wrote:
> 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.
There is one commit related directly to EC between -rc2 and -rc6:
dcf15cbded65 ACPI / EC: Fix a boot EC regresion by restoring boot EC support for the DSDT EC
There also are two ACPICA commits in that frame that may be related to it
2f38b1b16d92 ACPICA: Namespace: Fix deadlock triggered by MLC support in dynamic table loading
da4e792550a8 Revert "ACPICA: ACPI 2.0, Hardware: Add access_width/bit_offset support for acpi_hw_write()"
but one of them is a revert, so can you please check dcf15cbded65 and 2f38b1b16d92?
Thanks,
Rafael
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next prev parent reply other threads:[~2016-07-06 21:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-06 14:14 Wolfram Sang
2016-07-06 21:28 ` Rafael J. Wysocki [this message]
2016-07-07 0:26 ` Zheng, Lv
2016-07-07 0:36 ` Rafael J. Wysocki
2016-07-07 0:34 ` Zheng, Lv
2016-07-07 0:30 ` Zheng, Lv
2016-07-07 0:31 ` Zheng, Lv
2016-07-07 1:49 ` [RFC PATCH] ACPI / EC: Fix an order issue in ec_remove_handlers() Lv Zheng
2016-07-07 4:38 ` Zheng, Lv
2016-07-08 1:25 ` [PATCH v3] " Lv Zheng
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