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From: Mika Westerberg <mika.westerberg@linux.intel.com>
To: Martin Langhoff <martin.langhoff@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	linux-gpio@vger.kernel.org
Subject: Re: Diagnosing ACPI trouble related to pinctr_cherryview on 4.4.x
Date: Tue, 29 Mar 2016 12:15:14 +0300	[thread overview]
Message-ID: <20160329091514.GA2099@lahna.fi.intel.com> (raw)
In-Reply-To: <CACPiFC+7m_ePr59M=upxsjXF1f0Z8uLcOiy58DDCcOpOA-rhyA@mail.gmail.com>

On Mon, Mar 28, 2016 at 04:57:04PM -0400, Martin Langhoff wrote:
> Took a few days but managed to get my hands on the laptop again.
> 
> A kernel built with CONFIG_X86_INTEL_LPSS=n boots with noapic in the
> cmdline. Somehow during the build all the PINCTRL options in the
> kernel got switched off, perhaps they depend on X86_INTEL_LPSS?

That's correct.

> If I don't add noapic, we crash during boot.

Okay, so there is something wrong with either IO-APIC or the pinctrl on
this particular machine.

> I'm about to lose access to this laptop as I am traveling back home,
> leaving it with its new owner...

We will try to get one such machine here to debug the issue further.
Thanks.

  reply	other threads:[~2016-03-29  9:15 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CACPiFCKv=QJ0t5e=9Wm4cC4Spynx-tVCiabL7AcbcOkp_w47fQ@mail.gmail.com>
2016-03-22 15:22 ` Diagnosing ACPI trouble related to pinctr_cherryview on 4.4.x Mika Westerberg
2016-03-22 15:41   ` Martin Langhoff
2016-03-22 15:49     ` Mika Westerberg
2016-03-22 15:51       ` Mika Westerberg
2016-03-22 15:59       ` Martin Langhoff
2016-03-22 16:22         ` Mika Westerberg
2016-03-22 16:59           ` Martin Langhoff
2016-03-22 17:36             ` Andy Shevchenko
2016-03-22 17:53               ` Martin Langhoff
2016-03-22 20:32                 ` Martin Langhoff
2016-03-23 11:13                   ` Mika Westerberg
2016-03-23 13:25                     ` Martin Langhoff
2016-03-23 11:25                 ` Mika Westerberg
2016-03-23 13:26                   ` Martin Langhoff
2016-03-28 20:57                     ` Martin Langhoff
2016-03-29  9:15                       ` Mika Westerberg [this message]
2016-03-31  9:24                         ` Mika Westerberg
2016-03-30 10:33                 ` Andy Shevchenko
2016-03-22 15:58   ` Andy Shevchenko
2016-03-22 15:18 Martin Langhoff

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