linux-kernel - Re: console issue since 3.6, console=ttyS1 hangs

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Date:   Mon, 31 Oct 2016 20:27:06 +0000
From:   Sean Young <sean@...s.org>
To:     Nathan <nzimmer@....com>
Cc:     linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
        gregkh@...uxfoundation.org, alan@...ux.intel.com,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: console issue since 3.6, console=ttyS1 hangs

On Sun, Oct 30, 2016 at 10:33:02AM -0500, Nathan wrote:
> I think this should be PNP0501 instead of PNP0c02.
> Once I alter that then when I boot the serial comes up on irq 3. However it
> still hangs.
> I'll keep digging.

Well that's that theory out of the window. I'm not sure where to look now,
I would start by enabling as many as possible of the "kernel hacking" config
options and see if anything gets caught.

Looking at your earlier messages, you have a collection of percpu allocation
failures. That might be worth resolving before anything else.

Sean