linux-kernel - Re: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-length record buffer

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Message-ID: <CA+1xoqdCk9FcqdLEvwgHtfrauNh=s0dDwcpaJimMC_H83N=_5w@mail.gmail.com>
Date:	Tue, 8 May 2012 10:48:55 +0200
From:	Sasha Levin <levinsasha928@...il.com>
To:	Kay Sievers <kay@...y.org>
Cc:	Greg Kroah-Hartmann <greg@...ah.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 1/3] printk: convert byte-buffer to variable-length
 record buffer

Hi Kay,

On Thu, May 3, 2012 at 2:29 AM, Kay Sievers <kay@...y.org> wrote:
> From: Kay Sievers <kay@...y.org>
> Subject: printk: convert byte-buffer to variable-length record buffer

This patch was included in today's linux-next, and it looks like it
broke printk on my configuration.

It's a bit hard to describe exactly what's wrong, but here are the main points:

1. PRINTK_TIME timing information is gone.
2. Newline issues. It appears to be adding newlines where it
shouldn't. For example:

Before:
[   10.110626] parport0: PC-style at 0x378, irq 7 [PCSPP,TRISTATE]

After:
parport0: PC-style at 0x378
, irq 7
 [
PCSPP
,TRISTATE
]

3. Things are not properly aligned, such as stack traces.
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