linux-kernel - Re: Nonterministic hang during bootconsole/console handover on ath79

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Message-ID: <20160321230821.GA17910@kroah.com>
Date:	Mon, 21 Mar 2016 19:08:21 -0400
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Matthias Schiffer <mschiffer@...verse-factory.net>
Cc:	Ralf Baechle <ralf@...ux-mips.org>, jslaby@...e.com,
	linux-mips@...ux-mips.org, linux-serial@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Nonterministic hang during bootconsole/console handover on ath79

On Tue, Mar 22, 2016 at 12:02:57AM +0100, Matthias Schiffer wrote:
> Hi,
> we're experiencing weird nondeterministic hangs during bootconsole/console
> handover on some ath79 systems on OpenWrt. I've seen this issue myself on
> kernel 3.18.23~3.18.27 on a AR7241-based system, but according to other
> reports ([1], [2]) kernel 4.1.x is affected as well, and other SoCs like
> QCA953x likewise.

Can you try 4.4 or ideally, 4.5?  There's been a lot of console/tty
fixes/changes since the obsolete 3.18 kernel you are using...

thanks,

greg k-h