From mboxrd@z Thu Jan  1 00:00:00 1970
From: James Bottomley <James.Bottomley@HansenPartnership.com>
Subject: Re: serial console problem with kernel 3.18.0-rc4
Date: Thu, 01 Jan 2015 20:32:21 -0800
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To: Helge Deller <deller@gmx.de>
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On Wed, 2014-12-31 at 17:33 -0800, James Bottomley wrote:
> I confirm this behaviour on the Mako system as well.  In my case, 3.18
> so royally screws up the serial port that even a power cycle won't
> recover the console connection to the MP (a sort of parisc equivalent of
> a BMC) and I have to go down to the machine room to physically yank the
> power from the system to power down the MP and get the console back.

For those in parisc land following along, I've discovered that a remote
power down followed by a diagnostic reset of the MP will reconnect the
console, thus obviating trips to unplug the actual system.

James