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From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Helge Deller <deller@gmx.de>
Cc: linux-serial@vger.kernel.org,
	linux-parisc <linux-parisc@vger.kernel.org>
Subject: Re: serial console problem with kernel 3.18.0-rc4
Date: Thu, 01 Jan 2015 20:32:21 -0800	[thread overview]
Message-ID: <1420173141.2078.1.camel@HansenPartnership.com> (raw)
In-Reply-To: <1420076022.2085.12.camel@HansenPartnership.com>

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



      parent reply	other threads:[~2015-01-02  4:32 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-11-11 19:13 serial console problem with kernel 3.18.0-rc4 Helge Deller
2015-01-01  1:33 ` James Bottomley
2015-01-01  4:56   ` Peter Hurley
2015-01-01  8:52     ` James Bottomley
2015-01-01 22:06       ` James Bottomley
2015-01-02  5:34         ` Sudip Mukherjee
2015-01-02  7:26           ` James Bottomley
2015-01-02  4:32   ` James Bottomley [this message]

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