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Bug#1012655: Macbook Pro touchpad not working with kernel 5.18

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  Bug#1012655: Macbook Pro touchpad not working with kernel 5.18 Stephan Verbücheln <verbuecheln@posteo.de> - 2022-06-11 09:00 +0200
    Bug#1012655: upstream bug and fix Stephan Verbücheln <verbuecheln@posteo.de> - 2022-06-11 09:40 +0200
      Bug#1012655: upstream bug and fix Diederik de Haas <didi.debian@cknow.org> - 2022-06-11 12:10 +0200
        Bug#1012655: upstream bug and fix Stephan Verbücheln <verbuecheln@posteo.de> - 2022-06-12 08:20 +0200
      Bug#1012655: upstream bug and fix Stephan Verbücheln <verbuecheln@posteo.de> - 2022-06-15 17:50 +0200
        Bug#1012655: upstream bug and fix Diederik de Haas <didi.debian@cknow.org> - 2022-06-15 20:10 +0200
          Bug#1012655: upstream bug and fix Salvatore Bonaccorso <carnil@debian.org> - 2022-06-15 22:00 +0200
    Processed: Re: Bug#1012655: upstream bug and fix "Debian Bug Tracking System" <owner@bugs.debian.org> - 2022-06-11 12:10 +0200

#75562 — Bug#1012655: Macbook Pro touchpad not working with kernel 5.18

Package: src:linux
Version: 5.18.2-1

The touchpad on my 2014 Macbook (MacBookPro11,1) is no longer working
since kernel 5.18 was installed. This affects both X11 and Wayland. I
am using Sid with Gnome.

When booting back into kernel 5.17, the touchpad works without
problems. That's why I suspect the bug to be in the kernel.

Keyboard is working without problems. keyboard and trackpad appear to
be one single device.

External USB mouse is working without problems.

# lsusb
Bus 001 Device 003: ID 05ac:0259 Apple, Inc. Internal Keyboard/Trackpad

# lshw
description: Keyboard
product: bcm5974
vendor: Apple Inc.

Regards

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#75563 — Bug#1012655: upstream bug and fix

When I filed the bug, I could not find any other reports. Now I found
an upstream report which has matching symptoms.

https://bugzilla.kernel.org/show_bug.cgi?id=215890

However, there is confusion about the resolution. One reply states that
it was resolved in 5.18.0, but other replies talk about accidental
fixes.

A fix was submitted more recently than 5.18.0 release:
https://lore.kernel.org/all/20220606113636.588955-1-mathias.nyman@linux.intel.com/

Regards

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#75566 — Bug#1012655: upstream bug and fix

[Multipart message — attachments visible in raw view] — view raw

Control: tag -1 fixed-upstream

On Saturday, 11 June 2022 09:33:09 CEST Stephan Verbücheln wrote:
> I found an upstream report which has matching symptoms.
> 
> https://bugzilla.kernel.org/show_bug.cgi?id=215890
> 
> However, there is confusion about the resolution. One reply states that
> it was resolved in 5.18.0, but other replies talk about accidental fixes.
> 
> A fix was submitted more recently than 5.18.0 release:
> https://lore.kernel.org/all/20220606113636.588955-1-mathias.nyman@linux.inte
> l.com/

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c42e65664390be7c1ef3838cd84956d3a2739d60
is where it is fixed. But there is indeed some confusion as noted by Linus:
https://lore.kernel.org/all/CAHk-=wjcC15LsPS1Nj-e5nC-hR3oGVy+bQumyLD9vz4HzaDWAg@mail.gmail.com/

I normally use https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
and if you search for the primary commit message, it doesn't find it.
If you add "commit/?id=c42e65664390be7c1ef3838cd84956d3a2739d60" to that base
URL, you'll see "Notice: this object is not reachable from any branch."

So it is fixed upstream and according to Linus it is also part of 5.19-rc1
Apparently it's considered an important fix, so I guess it should be backported
to 5.18 'shortly'.

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#75579 — Bug#1012655: upstream bug and fix

They merged it (on June 7) into kernel 5.19, but kernel 5.18.3
(released June 9) does not seem to have it yet.

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/?id=v5.18.3&id2=v5.18&dt=2

I will just use 5.17 or external mouse until the fix lands in Sid.

Thank you and regards

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#75608 — Bug#1012655: upstream bug and fix

Kernel 5.18.4 got the patch.

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/drivers/input/mouse/bcm5974.c?id=v5.18.4&id2=v5.18.3

Regards

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#75609 — Bug#1012655: upstream bug and fix

[Multipart message — attachments visible in raw view] — view raw

On Wednesday, 15 June 2022 17:40:45 CEST Stephan Verbücheln wrote:
> Kernel 5.18.4 got the patch.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/driver
> s/input/mouse/bcm5974.c?id=v5.18.4&id2=v5.18.3

Excellent, thanks for mentioning that :-)

> I will just use 5.17 or external mouse until the fix lands in Sid.

My guess is that the next upload to Sid should have it then.

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#75610 — Bug#1012655: upstream bug and fix

Hi,

On Wed, Jun 15, 2022 at 07:59:27PM +0200, Diederik de Haas wrote:
> On Wednesday, 15 June 2022 17:40:45 CEST Stephan Verbücheln wrote:
> > Kernel 5.18.4 got the patch.
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/driver
> > s/input/mouse/bcm5974.c?id=v5.18.4&id2=v5.18.3
> 
> Excellent, thanks for mentioning that :-)
> 
> > I will just use 5.17 or external mouse until the fix lands in Sid.
> 
> My guess is that the next upload to Sid should have it then.

This assumption is correct :)

Regards,
Salvatore

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#75567 — Processed: Re: Bug#1012655: upstream bug and fix

Processing control commands:

> tag -1 fixed-upstream
Bug #1012655 [src:linux] Macbook Pro touchpad not working with kernel 5.18
Added tag(s) fixed-upstream.

-- 
1012655: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1012655
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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