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#1 2014-02-21 09:34:28

brain0
Developer
From: Aachen - Germany
Registered: 2005-01-03
Posts: 1,382

Linux 3.13 WARNING: PS/2 keyboard support is now modular

It has been requested that we make support for the i8042 keyboard and mouse controller modular. Some people get weird error messages because they don't have one and the manual probing slows down their boot. Tom took care of this on the kernel side (thank you) and the result finally landed in 3.13.

In order to get keyboard input during early init, if you don't have it already, add the keyboard hook to the HOOKS= line in /etc/mkinitcpio.conf and run mkinitcpio -P. It has been in the default configuration for some time.

WARNING: There's a downside to all this: On some motherboards (mostly ancient ones, but also a few new ones), the i8042 controller cannot be automatically detected. It's rare, but some people will surely be without keyboard. You can detect this situation in advance:

$ dmesg -t | grep '^i8042'
i8042: PNP: No PS/2 controller found. Probing ports directly.

If you have a PS/2 port and get this message, add atkbd to the MODULES= line in mkinitcpio.conf and run mkinitcpio -P. If you just noticed that you are without keyboard after rebooting, fear not! Simply add

earlymodules=atkbd modules-load=atkbd

to your kernel command line in your bootloader.

I will move Linux 3.13 to [core] a few hours from now, to give everyone a chance to read this before upgrading. I apologize for any inconvenience this transition may cause.

https://www.archlinux.org/news/linux-31 … w-modular/

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#2 2014-02-21 13:38:18

electric_indigo
Member
Registered: 2011-05-12
Posts: 89

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

Thousand threads about 'broken keyboard' in 3...2...1...

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#3 2014-02-21 15:09:50

brain0
Developer
From: Aachen - Germany
Registered: 2005-01-03
Posts: 1,382

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

Go! Upgrade is live in [core].

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#4 2014-02-21 15:33:11

Jojonintendo
Member
Registered: 2013-12-06
Posts: 56

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

Great! I was waiting for this so much for my Radeon HD 7770, but I don't seem to get the absolutely awesome boost in games... I'll still have to tweak a little.


M/B: Asus M5A97 LE R2.0 CPU: AMD FX(tm)-6100 Six-Core Processor GPU: XFX R9 390 DD Black Edition RAM: Kingston HyperX Beast DDR3 1866 2X4GB SSD: Crucial M4 128GB SATA 3
CPU and GPU are watercooled by Ibercool kit.

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#5 2014-02-22 00:43:55

ackalker
Member
Registered: 2012-11-27
Posts: 201

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

Thanks brain0 (and Thomas Bächler, perhaps you are the same person? smile )

Instead of worrying about all the "oooh nooo, now my keyboard is broken!" posts, let's be thankful to you for the heads-up!
To me this is a good example of how to warn people about possible problems before they update, and IMHO more Arch devs should do the same.

In particular I remember a recent libgl update which hit me like a brick because I didn't get a warning about what possible problems it might cause (had to boot to textmode and use lynx to read about the implications of it concerning my particular graphics card driver, etc.).

I'm all for more and better announcements about upgrade problems.
Thanks again, brain0!

Protip: Use `pacmatic` to do system upgrades: it will display any new announcements before starting the upgrade process.

Last edited by ackalker (2014-02-22 00:47:24)

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#6 2014-02-22 00:46:29

karol
Archivist
Registered: 2009-05-06
Posts: 25,440

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

ackalker wrote:

Thanks brain0 (and Thomas Bächler, perhaps you are the same person? smile )

Yup: https://www.archlinux.org/developers/#thomas

ackalker wrote:

Protip: Use `pacmatic` to do system upgrades: it will display any new announcements before starting the upgrade process.

This time even pacman displays a warning.

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#7 2014-02-22 00:49:12

ackalker
Member
Registered: 2012-11-27
Posts: 201

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

karol wrote:

This time even pacman displays a warning.

Wow, way to go! smile

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#8 2014-02-22 01:19:48

brain0
Developer
From: Aachen - Germany
Registered: 2005-01-03
Posts: 1,382

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

karol wrote:

This time even pacman displays a warning.

Only half of it. The full story is way too verbose for the update.

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#9 2014-02-22 01:30:03

2ManyDogs
Forum Moderator
Registered: 2012-01-15
Posts: 4,645

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

ackalker wrote:

Protip: Use `pacmatic` to do system upgrades: it will display any new announcements before starting the upgrade process.

Protip: read the news and don't rely on a pacman wrapper to do the work for you,


How to post. A sincere effort to use modest and proper language and grammar is a sign of respect toward the community.

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#10 2014-02-24 19:14:13

ackalker
Member
Registered: 2012-11-27
Posts: 201

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

@2ManyDogs: There are "pacman wrappers" and there are "pacman wrappers".
AFAICT, pacmatic doesn't try to do your laundry, take your kids to school or visit your mother-in-law.
It just automates exactly that which you suggest (fetch and display news) and then some: it also scans the mailing lists for posts which may concern packages that one has installed. Didn't think of that one, did you? wink
And oh, after the upgrade it also scans your system for any .pacnew files that may need to be merged.

Right tool for the job, for me at least.

Last edited by ackalker (2014-02-24 19:19:00)

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#11 2014-02-24 19:31:26

clfarron4
Member
From: London, UK
Registered: 2013-06-28
Posts: 2,163
Website

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

ackalker wrote:

@2ManyDogs: There are "pacman wrappers" and there are "pacman wrappers".
[snip]
It just automates exactly that which you suggest (fetch and display news) and then some: it also scans the mailing lists for posts which may concern packages that one has installed. Didn't think of that one, did you? wink
And oh, after the upgrade it also scans your system for any .pacnew files that may need to be merged.

Assuming it looks in the right place all the time, and the developer of pacmatic doesn't want to screw everyone over, yes it works.


Claire is fine.
Problems? I have dysgraphia, so clear and concise please.
My public GPG key for package signing
My x86_64 package repository

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#12 2014-02-24 19:41:19

saif
Member
Registered: 2010-05-21
Posts: 59

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

So, where can I know more about this? what does this affect?  I read it is related to a possible delay on boot because of the lack of ps2 io

Last edited by saif (2014-02-24 19:42:22)

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#13 2014-02-24 20:15:36

clfarron4
Member
From: London, UK
Registered: 2013-06-28
Posts: 2,163
Website

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

saif wrote:

So, where can I know more about this? what does this affect?  I read it is related to a possible delay on boot because of the lack of ps2 io

https://www.archlinux.org/news/linux-31 … w-modular/


Claire is fine.
Problems? I have dysgraphia, so clear and concise please.
My public GPG key for package signing
My x86_64 package repository

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#14 2014-03-08 05:30:36

scjet
Banned
Registered: 2011-07-23
Posts: 172

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

I realize this is a teeny-bit dated, but Hey, thankyou:

I "ONLY" use PS/2 keyboards, and I haven't ran into any of this?, but yes, kudos, and "way to go !"

Besides, PS/2 keyboards are, indeed, making a comeback, especially for Gamer's. lol.

Last edited by scjet (2014-03-08 05:31:51)


The "BSD" things in life are "Free", and "Open", and so is "Arch"

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#15 2014-03-26 10:26:59

quequotion
Member
From: Oita, Japan
Registered: 2013-07-29
Posts: 813
Website

Re: Linux 3.13 WARNING: PS/2 keyboard support is now modular

I didn't have this problem, but one that might be mistaken for it. At the time I upgraded a lot of things all at once, including the kernel and libevdev. Had no keyboard or mouse support on reboot.

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