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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Tim Waugh <tim@cyberelk.net>,
	linux-parport@lists.infradead.org
Subject: Re: Linux v2.6.21-rc3
Date: Wed, 7 Mar 2007 08:25:54 -0800 (PST)	[thread overview]
Message-ID: <Pine.LNX.4.64.0703070813460.5963@woody.linux-foundation.org> (raw)
In-Reply-To: <45EEB99D.7020406@googlemail.com>



On Wed, 7 Mar 2007, Michal Piotrowski wrote:
> 
> BTW. Does anyone care about parport console?

I do think we care, but I don't think anybody in particular feels singled 
out as a maintainer...

> console=lp0 hangs since at least 2.6.18

Ok, that's not exactly new then, which implies that not a *lot* of people 
even care ;)

Do you think you'd be willing to try to figure out when it started? You 
seem to be the first one to have even noticed.

(I tried to google it, and the most recent thing google finds is your 
report, although I also saw a report of somebody trying it under qemu in 
July last year and also reported a hang)

Looking through the history of the last few years (it in git), I don't see 
anything even *remotely* suspicious there, so it's probably either 
 (a) really old, and hasn't worked in a loong time and nobody just uses it
 (b) something really stupid that happened while doing other cleanups (but 
     the changes in the last two years are *literally* just things like 
     removing devfs support)
 (c) some infrastructure change that subtly broke lpconsole, probably 
     causing an oops during printk, which obviously results in a printk 
     itself, which thus hangs.

It would be good to get it fixed, although for obvious reasons it's not a 
huge priority..

		Linus

  reply	other threads:[~2007-03-07 16:26 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-07  4:59 Linux v2.6.21-rc3 Linus Torvalds
2007-03-07 10:25 ` Benjamin Herrenschmidt
2007-03-07 13:26   ` Greg KH
2007-03-07 14:15     ` Mark Lord
2007-03-07 14:22       ` Greg KH
2007-03-07 15:39   ` Linus Torvalds
2007-03-07 20:52     ` Arnd Bergmann
2007-03-08  8:10       ` Benjamin Herrenschmidt
2007-03-08  8:08     ` Benjamin Herrenschmidt
2007-03-07 12:56 ` Michal Piotrowski
2007-03-07 16:34   ` Linus Torvalds
2007-03-07 17:12     ` [patch] CPU hotplug: call check_tsc_sync_source() with irqs off Ingo Molnar
2007-03-07 17:45       ` Michal Piotrowski
2007-03-07 19:12       ` Linux-2.6.21-rc3 : Dynticks and High resolution Timer hanging the system Stephane Casset
2007-03-07 19:52         ` Thomas Gleixner
2007-03-07 21:16           ` Stephane Casset
2007-03-07 22:09             ` Thomas Gleixner
2007-03-07 13:09 ` Linux v2.6.21-rc3 Michal Piotrowski
2007-03-07 16:25   ` Linus Torvalds [this message]
2007-03-07 17:14   ` [Linux-parport] " Stephen Mollett
2007-03-07 17:35     ` Russell King
2007-03-07 14:22 ` Thomas Gleixner
2007-03-07 17:14   ` Thomas Gleixner
2007-03-07 17:42   ` Soeren Sonnenburg
2007-03-08 17:28 ` Alistair John Strachan
2007-03-13 12:49 ` [1/6] 2.6.21-rc3: known regressions Adrian Bunk
2007-03-13 13:08   ` Pierre Ossman
2007-03-13 13:36     ` Oliver Neukum
2007-03-13 18:11       ` Pavel Machek
2007-03-13 19:07         ` Pierre Ossman
2007-03-13 19:12           ` Mws
2007-03-13 19:15           ` Adrian Bunk
2007-03-13 20:05           ` Pavel Machek
2007-03-13 20:31             ` Pierre Ossman
2007-03-13 13:40   ` Takashi Iwai
2007-03-13 12:50 ` [2/6] " Adrian Bunk
2007-03-13 13:30   ` Cornelia Huck
2007-03-13 13:35     ` Mark Lord
2007-03-13 18:13       ` Pavel Machek
2007-03-13 12:50 ` [3/6] " Adrian Bunk
2007-03-13 14:03   ` Alan Cox
2007-03-13 20:12     ` Fabio Comolli
2007-03-13 15:13   ` Andi Kleen
2007-03-13 12:50 ` [4/6] " Adrian Bunk
2007-03-13 12:50 ` [5/6] " Adrian Bunk
2007-03-13 13:29   ` Lukas Hejtmanek
2007-03-13 18:14   ` Pavel Machek
2007-03-13 21:46   ` Arkadiusz Miskiewicz
2007-03-13 12:50 ` [6/6] " Adrian Bunk
2007-03-13 20:05   ` Thomas Gleixner
2007-03-14 11:31     ` Adrian Bunk
2007-03-13 20:46   ` Thomas Gleixner
2007-03-14 11:44     ` Adrian Bunk
2007-03-14 12:16       ` Jiri Slaby
2007-03-14 17:31         ` Adrian Bunk
2007-03-14 18:02       ` Florian Lohoff
2007-03-14 18:28         ` Thomas Gleixner
2007-03-13 19:26 ` Linux v2.6.21-rc3 Eric W. Biederman
2007-03-13 19:40   ` Greg KH
2007-03-13 19:48     ` Linus Torvalds
2007-03-13 20:04     ` Eric W. Biederman
2007-03-14 18:11 ` 2.6.21-rc3: known regressions with patches Adrian Bunk

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