linux-kernel - Re: [PATCH 21/21] TTY: move tty buffers to tty

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Message-ID: <5093F262.6000301@suse.cz>
Date:	Fri, 02 Nov 2012 17:18:42 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	Sasha Levin <levinsasha928@...il.com>
CC:	Jiri Slaby <jirislaby@...il.com>, gregkh@...uxfoundation.org,
	alan@...ux.intel.com, linux-kernel@...r.kernel.org,
	Dave Jones <davej@...hat.com>
Subject: Re: [PATCH 21/21] TTY: move tty buffers to tty_port

On 11/02/2012 05:07 PM, Sasha Levin wrote:
> On Fri, Nov 2, 2012 at 11:51 AM, Jiri Slaby <jslaby@...e.cz> wrote:
>> On 10/31/2012 04:59 PM, Sasha Levin wrote:
>>> So you probably want a lot more than 100k syscalls, why limit it at
>>> all actually?
>>
>> I unset the limit but I still can't reproduce...
>>
>>> I've attached my .config for the guest kernel as reference.
>>
>> Even using this config does not help to reproduce that.
>>
>> Do you use some special trinity params?
> 
> Not really:
> 
>     ./trinity -m --quiet --dangerous -l off

Oh, you run that as root??

> Can I add something to my kernel to provide more info when it happens?

Maybe the attached patch can tell us more...

-- 
js
suse labs

View attachment "0001-tty-BUF-DEBUG.patch" of type "text/x-patch" (1026 bytes)