Public bug reported:
Hello,
I'm using Raspberry Pi 4b with Ubuntu 21.10.
Seems like all 5.13 kernels don't have PWM support.
Replication steps:
- Enable pwm in config.txt:
`dtoverlay=pwm-2chan,pin=12,func=4,pin2=13,func2=4`
- Check /sys/class/pwm
Expected result:
PWM exists
- What I get:
```
Public bug reported:
Hello,
I'm using Raspberry Pi 4b with Ubuntu 21.10.
Seems like all 5.13 kernels don't have PWM support.
Replication steps:
- Enable pwm in config.txt:
`dtoverlay=pwm-2chan,pin=12,func=4,pin2=13,func2=4`
- Check /sys/class/pwm
Expected result:
PWM exists
- What I get:
```
apport information
** Tags added: apport-collected arm64-image impish raspi-image staging
** Description changed:
Hello,
I'm using Raspberry Pi 4b with Ubuntu 21.10.
Seems like all 5.13 kernels don't have PWM support.
Replication steps:
- Enable pwm in config.txt:
`dtoverlay=pw
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537240/+files/WifiSyslog.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537227/+files/CRDA.txt
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Ti
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537230/+files/Lspci.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537234/+files/ProcCpuinfo.txt
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apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537228/+files/CurrentDmesg.txt
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apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537229/+files/IwConfig.txt
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apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537235/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "PaInfo.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537233/+files/PaInfo.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537237/+files/ProcModules.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537239/+files/UdevDb.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537238/+files/RfKill.txt
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apport information
** Attachment added: "Lsusb-v.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537232/+files/Lsusb-v.txt
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apport information
** Attachment added: "Lsusb-t.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537231/+files/Lsusb-t.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1949276/+attachment/5537236/+files/ProcInterrupts.txt
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Public bug reported:
Affected HW: Raspberry Pi 4B
Sometimes I'm getting console with purple text and boot freezes.
Able to switch to another console (with regular white on black font) and start
display manager manually.
Experiencing same problem with kernels 5.13.0-1010-raspi,
5.13.0-1008-raspi
** Package changed: linux (Ubuntu) => linux-raspi (Ubuntu)
** Changed in: linux-raspi (Ubuntu)
Status: Incomplete => Confirmed
** Description changed:
Hello,
I'm using Raspberry Pi 4b with Ubuntu 21.10.
Seems like all 5.13 kernels don't have PWM support.
Replication steps:
Duplicate of 1949276
** Changed in: linux-meta-raspi (Ubuntu)
Status: New => Invalid
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Title:
linux-image-raspi PW
After installing linux-modules-extra-raspi all required modules are present and
PWM works as expected
Thank you for help!
The issue can be closed
** Changed in: linux-raspi (Ubuntu)
Status: Confirmed => Invalid
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Public bug reported:
OS: Ubuntu 21.10
Package: pi-bluetooth 0.1.15ubuntu2 arm64
Affected HW: Raspberry Pi 4B
Here's my problem:
bthelper unit fails to start
# systemctl status bthelper@hci0.service
× bthelper@hci0.service - Raspberry Pi bluetooth helper
Loaded: loaded (/lib/systemd/system/b
I got the same bug.
If hciuart.service was started before /dev/serial1 is created, it fails.
Fixed by adding systemd override with "Requires" directive:
# systemctl cat hciuart
# /lib/systemd/system/hciuart.service
[Unit]
Description=Configure Bluetooth Modems connected by UART
ConditionFileNotEmp
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