linux-kernel - Re: PREEMPT_RT (2.6.33-rt17) disabled printk-to-console after console

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <AANLkTilEbFndi-rPczi6OBxeU8p87gOz4yfveEsyHqcE@mail.gmail.com>
Date:	Thu, 20 May 2010 14:55:42 +0530
From:	Sujit K M <sjt.kar@...il.com>
To:	"Nikita V. Youshchenko" <yoush@...msu.su>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: PREEMPT_RT (2.6.33-rt17) disabled printk-to-console after 
	console_init

http://www.vanemery.com/Linux/Serial/serial-console.html

Could this be of help.

On Thu, May 20, 2010 at 2:03 PM, Nikita V. Youshchenko <yoush@...msu.su> wrote:
>> > I could not get dmesg output to console/serial and
>> > klogd(/var/log/messages) anymore with 2.6.33-rt17 _after_ the kernel
>> > boot is done(on non-RT kernel it works fine). I made below changes it
>> > starts to work again, however I'm unsure how safe the change is.
>> > Please advise.
>>
>> Well, obviously it's unsafe if you remove safety checks. And if you
>> care to look at the changelog of kernel/printk.c you'll find out why.
>
> Hmm... did a quick look and could not find anything related there.
> Could you please give a pointer?
> --
> To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>



-- 
-- Sujit K M

blog(http://kmsujit.blogspot.com/)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/