linux-kernel - Re: Regression?: keyboard state/LED inconsistency in 2.6.32-rc1/2,3,4

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]

Date:	Mon, 12 Oct 2009 01:57:08 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Vojtech Pavlik <vojtech@...e.cz>
Cc:	Marin Mitov <mitov@...p.bas.bg>, linux-kernel@...r.kernel.org
Subject: Re: Regression?: keyboard state/LED inconsistency in
	2.6.32-rc1/2,3,4

On Mon, Oct 12, 2009 at 10:30:15AM +0200, Vojtech Pavlik wrote:
> On Mon, Oct 12, 2009 at 11:18:28AM +0300, Marin Mitov wrote:
> > Hello,
> > 
> > I'm testing 2.6.32-rc1/2,3,4 and I'm using 2.6.31.3.
> > There is a difference in keyboard/LED behavior.
> > If in BIOS NumLock is set on, when the kernel starts
> > it puts NumLock off and the LED state is off in 2.6.31.3
> > (which is consistent), but in 2.6.32-rc1/2,3,4 the LED
> > stays on (and this is not consistent with keyboard's state).
> > 
> > Comparing drivers/input/keyboard/atkbd.c (I'm using it)
> > in 2.6.31.3 and 2.6.32-rc1/2,3,4 among others changes I
> > found the following lines (see the patch bellow) deleted,
> > so I propose either to add them again (this will restore 
> > keyboard/LED consistency) or revert the patch that has 
> > deleted them.
> 
> Oh, wow, those lines are quite clearly needed, I wonder why they got
> deleted, and I'm too lazy to find the commit comment ...
> 

Hmm, it appears I deleted a bit too much.. At some point I was thinking
the input core would reset LEDs and repeat rate on newly created device
but it was wrong idea. Unfortunately I was careless in applying atkbd
patch removing resume support (which should be handled by the input
core)...

-- 
Dmitry
--
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/