linux-kernel - Re: [PATCH 00/16] [GIT PULL] tracing: fixes/cleanups, no stop-machine, update stack tracer

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Message-ID: <20120102134856.GA32673@elte.hu>
Date:	Mon, 2 Jan 2012 14:48:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 00/16] [GIT PULL] tracing: fixes/cleanups, no
 stop-machine, update stack tracer


* Ingo Molnar <mingo@...e.hu> wrote:

> Just to give you an impression of how a failure looks like, the 
> serial console just stops printing mid-line:
> 
>  [   53.212942] calling  vt1211_init+0x0/0x9b @ 1                                                   
>  [   53.212971] initcall vt1211_init+0x0/0x9b returned -19 after 23 usecs                           
>  [   53.212975] calling  sm_vt8231_init+0x0/0x1b @ 1                                                
>    Booting 'Fedora'
> 
> and the next message is GRUB's 'Booting ...' line.

here's another one:

[   53.224579] calling  sm_via686a_init+0x0/0x1b @ 1                                               
[   53.224622] bus: 'pci': add driver via686a                                                      
  Booting 'Fedora

This occured after a series of 50 successful bootups ...

Unfortunately this means that the 'baseline' numbers are 
probably not reliable.

Thanks,

	Ingo
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