Yes, I'll submit SRU to the kernel team to cherry pick those patches.
But, we still don't have a good way in userspace to cooperate with the kernel
driver.
It just comes to my mind, maybe ubuntu kernel team will accept the way turning
on/off touchpad LED in the driver until we have a better way
Hi,
In Precise kernel, it already provided an interface to turn on/off the
tourchpad LED
/sys/class/leds/dell-laptop::touchpad/brightness
Other patches are just quirks to add more machines to have this
interface, so I don't think it's so urgent.
The problem is that there is no userspace app
I submitted the 2 patches mentioned in #6 to stable kernel,
so they will go into precise kernel at next merge.
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https://bugs.launchpad.net/bugs/914348
Public bug reported:
For all ASUS machines, it will only notify the userspace app by udev event
while the brightness value is changed, instead of keyevent.
The procedure in the asus-wmi kernel module is as described below
1. receive the keyevent from WMI
2. if the brightness event is not handled
I also filed a bug on upstream.
https://bugzilla.gnome.org/show_bug.cgi?id=672380
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https://bugs.launchpad.net/bugs/959106
Title:
brightness changing
Public bug reported:
In some of Dell laptops, they support a touchpad LED to indicate the
enablement/disablement of the touchpad.
And kernel(after 3.2) supports an interface to turn on/off the LED, user space
app should take the responsibility to handle this,
and I think gnome-settings-daemon
Hi,
I'm trying to build a patch for this issue, but I encountered some
problems.
1. The permission of the file in sysfs is 0644, so gsd(gnome-settings-daemon)
should have root privilege to access the file.
-rw-r--r-- 1 root root 4096 Jan 13 17:04
I fixed the problem to persist the LED status after S3 in the driver, but I
still have no idea how to let user space application access the sysfs without
root privilege.
And I don't think it's suitable to change the file mode to 0666, for I can't
find any file with that mode in sysfs.
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Hi, I tested it on Dell OptiPlex 9030 AIO with 64-bit Ubuntu 14.04, but it
doesn't work.
The touchscreen remaps to the whole extended screen.
I tried to re-login, reboot the system, and re-plug the hdmi cable, the symptom
is the same.
ii unity-settings-daemon
14.04.0+14.04.20140414-0ubuntu1.1
Here comes the logs
** Attachment added: logs_optiplex_9093.tgz
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4121989/+files/logs_optiplex_9093.tgz
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** Attachment added: xrandr.log
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4121995/+files/xrandr.log
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** Attachment added: mylog.log
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4121993/+files/mylog.log
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Tested on Dell Inspiron 20 Model 3048, it works well.
** Attachment added: inspiron_20_model_3048.tgz
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4122493/+files/inspiron_20_model_3048.tgz
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Here comes the Inspiron 2350 AIO log
** Attachment added: inspiron-2350.tgz
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4122771/+files/inspiron-2350.tgz
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** Attachment added: xrandr_optiplex_9030.log
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4122776/+files/xrandr_optiplex_9030.log
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** Attachment added: usd_optiplex_9030.log
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4124537/+files/usd_optiplex_9030.log
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** Attachment added: usd_inspiron_2350.log
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4124570/+files/usd_inspiron_2350.log
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The latest unity-settings-daemon fix this issue on Dell OptiPlex 9030.
The touchscreen works well when connects an external monitor and it still works
well after rotate the screen.
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It works on Dell OptiPlex 9030 AIO
** Attachment added: usd_optiplex_9030.2.log
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4125177/+files/usd_optiplex_9030.2.log
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** Attachment added: usd_optiplex_9030.3.log
https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1287341/+attachment/4125215/+files/usd_optiplex_9030.3.log
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** Also affects: unity-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/838543
Title:
False
Hi all,
I encountered this issue, too, and I would like to know if this patch help.
You can download the kernel packages from this link, this kernel will retry to
get the battery inform after wakeup from S3.
Thanks.
http://people.canonical.com/~acelan/bugs/lp838543
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** Package changed: unity-settings-daemon (Ubuntu) = linux (Ubuntu)
** Changed in: linux (Ubuntu)
Assignee: (unassigned) = AceLan Kao (acelankao)
** Changed in: linux (Ubuntu)
Status: New = In Progress
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I re-upload the kernel today, it works well for me, so I think it should
fix your issue as well.
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Title:
False
** Tags removed: verification-needed-trusty
** Tags added: verification-done-trusty
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Title:
False battery
** Changed in: linux (Ubuntu)
Status: Fix Committed = Fix Released
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Title:
False battery warning +suspend
Confirmed with fresh installed Jammy release(5.15.0-23). After the
screen dim, the backlight power is off,
"/sys/class/backlight/intel_backlight/bl_power", and can't echo 0 to it
to light up.
Switch vt(ctrl+alt+F1) works, and then I can turn off and turn on the backlight
by
echo 4 | sudo tee
Can't reproduce this issue with KDE.
And can't boot up the machine with mainline kernel. So, it's hard to bisect if
it's a kernel issue.
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Thanks Timo, this series of patches seems fix this issue
https://www.spinics.net/lists/intel-gfx/msg284609.html
Here is the test kernel, I can't reproduce the issue with this kernel.
https://people.canonical.com/~acelan/bugs/lp1967274/
I'll submit SRU soon.
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** Also affects: linux (Ubuntu Jammy)
Importance: High
Status: In Progress
** Also affects: mutter (Ubuntu Jammy)
Importance: High
Assignee: Daniel van Vugt (vanvugt)
Status: Fix Committed
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => AceLan
** Description changed:
Screen can't turn back on by clicking keyboard after screen off by meta + l
key.
Try to do VT switch can make the screen back, some error poped when I try to
wake up screen.
gnome-shell[1666]: Failed to post KMS update: CRTC property (GAMMA_LUT) not
found
SRU sent
https://lists.ubuntu.com/archives/kernel-team/2022-April/129627.html
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https://bugs.launchpad.net/bugs/1967274
Title:
Screen sometimes can't update on Intel
I can reproduce this issue, too.
When plug in the dock(with HDMI 4k monitor), the screen freeze and
keyboard/touchpad won't work, but I still can ssh into the machine.
Un-plug the dock, everything works again.
BTW, I found gnome-shell runs in 100% while the issue happened, and un-
plug the dock
** Changed in: linux (Ubuntu)
Status: In Progress => Invalid
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Title:
Screen sometimes can't update on Intel Alder Lake
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