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

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Message-ID: <CA+1xoqdRBCQYBQdK-=KJohtua_wD_fp4akk6_jS0x3x82fRp5g@mail.gmail.com>
Date:	Wed, 31 Oct 2012 11:59:33 -0400
From:	Sasha Levin <levinsasha928@...il.com>
To:	Jiri Slaby <jslaby@...e.cz>
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 Wed, Oct 31, 2012 at 11:32 AM, Jiri Slaby <jslaby@...e.cz> wrote:
> On 10/31/2012 04:30 PM, Sasha Levin wrote:
>> On Wed, Oct 31, 2012 at 8:53 AM, Jiri Slaby <jslaby@...e.cz> wrote:
>>> On 10/25/2012 08:02 PM, Sasha Levin wrote:
>>>> Fuzzing with trinity inside a KVM tools (lkvm) guest with -next kernel
>>>> uncovered the following warning:
>>>
>>> I cannot reproduce that :(. Do you still see it?
>>
>> Yes, it reproduces pretty easily while fuzzing.
>
> What is your exact setup? I tried trinity with 100 000 syscalls inside
> KVM with an LDEP-enabled kernel. How many serial ports do you have in
> the guest? Any USB serials in there?

So you probably want a lot more than 100k syscalls, why limit it at
all actually?

lkvm is emulating 4 serial ports, no USB ports.

I've attached my .config for the guest kernel as reference.


Thanks,
Sasha

Download attachment "config-sasha" of type "application/octet-stream" (135539 bytes)