I'm having this issue with a Spanish USB Mac keyboard. Is it really so
difficult to detect when you have a Mac keyboard connected and/or
disconnected? Can't anything be done with hotplug, udev, etc. ?
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>>1. When the touchpad works by setting pin's direction=out, you could
see lots of "no data" message ("IRQ triggered but there's no data")
keeping popping up after moving your finger away from the touchpad, am I
correct?
> no, wrong. when run : echo out > direction,
> dmesg say :
> [ 133.854926]
Coiby Xu (coiby)
>1. When the touchpad works by setting pin's direction=out, you could see lots
>of "no data" message ("IRQ triggered but there's no data") keeping popping up
>after moving your finger away from the touchpad, am I correct?
no, wrong. when run : echo out > direction,
dmesg say :
[Expired for mesa (Ubuntu) because there has been no activity for 60
days.]
** Changed in: mesa (Ubuntu)
Status: Incomplete => Expired
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[Expired for xorg-server (Ubuntu) because there has been no activity for
60 days.]
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => Expired
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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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@wangjun Thank you for doing this experiment!
1. When the touchpad works by setting pin's direction=out, you could see
lots of "no data" message ("IRQ triggered but there's no data") keeping
popping up after moving your finger away from the touchpad, am I
correct?
2. When pin's direction=out,
Since this is an old release I suggest the fastest way forward here will
be for you to install Ubuntu 20.04.1 instead. It's better supported and
has more fixes than 18.04.
https://ubuntu.com/download/desktop
** Tags added: dual-gpu hybrid nvidia
** Package changed: xorg (Ubuntu) =>
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It sounds like some part of the system has crashed. To
help us find the cause of the crash please follow these steps:
1. Look in /var/crash for crash files and if found run:
ubuntu-bug YOURFILE.crash
Then tell
I don't have that pc at hand right now so i can't check for the version
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https://bugs.launchpad.net/bugs/1897992
Title:
No VGA video signal after
Try this,
$ git branch -v
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Title:
No VGA video signal after installing pkg and rebooting
To manage notifications
(sory for the many posts, i'm realizing things as times goes by)
Now that i think of it i don't know what i did when
$ git branch main origin/main
it didn't returned errors so i don't know if i copied or renamed a
branch
git branch (-m | -M) []
is supposed to rename for example
was i
Also many more resolutions options showed than before
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Title:
No VGA video signal after installing pkg and
Also checked Xorg.0.log to find that openchrome module was loaded
I don't have that pc at hand right now so i can't check for the version number
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I did everything you told me on your last instructions including
$ git branch main origin/main
$ git checkout main
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How did you manage to fix the issue?
Did you install the latest development tip or did you manage to get the older
version (Version 0.6.0) working?
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Public bug reported:
connected to external monitor. After a reboot the laptop screen is
blank. Can't find a consistent way to get it back.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60
Uname: Linux
*** This bug is a duplicate of bug 214786 ***
https://bugs.launchpad.net/bugs/214786
** This bug has been marked a duplicate of bug 214786
Apple USB ISO keyboard has incorrectly swapped keys
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*** This bug is a duplicate of bug 214786 ***
https://bugs.launchpad.net/bugs/214786
Check out this Ask Ubuntu question for a way to handle Apple devices:
https://askubuntu.com/q/843590
But please note, though, that such an entry in /etc/default/keyboard
would switch the keys for your
just guessing a package to associate this report with
** Package changed: ubuntu => xkeyboard-config (Ubuntu)
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https://bugs.launchpad.net/bugs/1886215
Title:
Strange
You have been subscribed to a public bug:
I have an Apple Aluminium keyboard with Spanish/Castillian layout
connected to my laptop:
lsusb output:
...
Bus 002 Device 006: ID 05ac:0221 Apple, Inc. Aluminum Keyboard (ISO)
Bus 002 Device 004: ID 05ac:1006 Apple, Inc. Hub in Aluminum Keyboard
...
Public bug reported:
Every day I have the same problem - my pc (system updated to Ubuntu 20.04)
screen (internet browser Brave) when I work in internet pages simply frozen,
mouse and keyboard stopped working , I tried command (Crl+Alt+Del) but it did
not help, and I have manually to reboot the
one mistake in #165,
```but there's no data``` is some copy/past err.
it's not the output.
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https://bugs.launchpad.net/bugs/1887190
Title:
MSFT Touchpad
sorry for #159,
the first c program ,i missed the parameter when i run it.
now test it again.
reboot
then
```
[ra@localhost ~]$ su
Password:
[root@localhost ra]# cd /sys/class/gpio
[root@localhost gpio]# ls
export gpiochip256 unexport
[root@localhost gpio]# echo 386 > export
test the second c program with derection changed to :out
window 1:
```
[ra@localhost ~]$ su
Password:
[root@localhost ra]# cd /sys/class/gpio/
[root@localhost gpio]# ls
export gpiochip256 unexport
[root@localhost gpio]# echo 386 > export
[root@localhost gpio]# ls
export gpio386 gpiochip256
test the second c program:
i reboot,
it's means the derection is :in
windows 1:
```
[ra@localhost 2]$ su
Password:
[root@localhost 2]# ls
fire_touchpad_pin_irq fire_touchpad_pin_irq.c
[root@localhost 2]# ./fire_touchpad_pin_irq 100
Status:: Operation not permitted
Status:: Operation not
sorry , two mistakes in # 162
and window 1: ==> and window 2:
window 1 no output. ==> window 2 no output.
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Title:
test for script 2 ,with changed direction to out before test:
```
a. Don't put your finger on the touchpad
b. Open a terminal window and run `sudo dmesg -W`
c. In another terminal, "cd /sys/class/gpio/gpio386"
e. "echo 1 > value" and see if the following dmesg output will keeping
test for script 2:
```
a. Don't put your finger on the touchpad
b. Open a terminal window and run `sudo dmesg -W`
c. In another terminal, "cd /sys/class/gpio/gpio386"
e. "echo 1 > value" and see if the following dmesg output will keeping
popping up in the previous terminal window
and after the test,i rerun : echo in > direction
my touchpad can work.
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Title:
MSFT Touchpad not working on Lenovo
sorry for #157, `in` should be `out`
and after the test,i rerun : echo out > direction
my touchpad can work.
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test the script:
```
a. Don't put your finger on the touchpad
b. Open a terminal window and run `sudo dmesg -W`
c. In another terminal, "cd /sys/class/gpio/gpio386"
e. "echo out > direction" and see if the following dmesg output will
keeping popping out in the previous terminal
first c program, has error,
window 1
```
[ra@localhost 1]$ sudo ./test
[sudo] password for ra:
Segmentation fault
[ra@localhost 1]$
```
windows 2
```
[ra@localhost ~]$ sudo dmesg -W
[sudo] password for ra:
[ 545.297119] test[3424]: segfault at 0 ip 7f679289151c sp
7ffc4ea14900 error
@Coiby Xu (coiby)
wait a moment ,i rebuild a clean kernel ,then i test it .
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https://bugs.launchpad.net/bugs/1887190
Title:
MSFT Touchpad not working on
@wangjun
Thank you for sharing the results and investigating this touchpad issue!
One thing confuses me is for the ELAN touchpad, no single interrupt
fires when you put finger on the touchpad while for the Synaptics
touchpad, you still see interrupts firing but with a very rate of ~7Hz.
Judging
dreamcat4,
Ubuntu 19.10 is not supported. It reached end of life on July 17, 2020.
This is a bug/design feature of Xorg graphics drivers like Nvidia and
AMD's. You can work around it either by explicitly configuring the
driver to sync to the fastest monitor, or by enabling "TearFree" if
struct acpi_gpio_info {
struct acpi_device *adev;
enum gpiod_flags flags;
bool gpioint;
int pin_config;
int polarity;
int triggering;
unsigned int quirks;
};
enum gpiod_flags {
GPIOD_ASIS = 0,
GPIOD_IN=
according to the above analysis, error is happen with the direction is :
in
i found the function to set the direction of gpio pin to in:
amd_gpio_direction_input,
and add some pr_err and dump_stack() to the function ,
then dmesg out put like :
[1.545190] amd_gpio_set_config
Public bug reported:
After an update the pad of my computer is not working anymore, even
xinput or lsusb does not show my pad. everything worked fine before that
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xinput 1.6.3-1
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname:
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