[Bug 1814118] Re: Make RPi.GPIO work on arm64
Ćukasz Zemczak
1814118 at bugs.launchpad.net
Tue Feb 5 18:21:46 UTC 2019
Sponsored.
** Changed in: rpi.gpio (Ubuntu)
Status: New => Fix Committed
** Also affects: rpi.gpio (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: rpi.gpio (Ubuntu Bionic)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1814118
Title:
Make RPi.GPIO work on arm64
Status in rpi.gpio package in Ubuntu:
Fix Committed
Status in rpi.gpio source package in Bionic:
New
Status in rpi.gpio source package in Cosmic:
New
Bug description:
The current release of RPi.GPIO (0.63) expects to find hardware
revision information under /proc/cpuinfo. This exists under armhf
kernels, but not under arm64 kernels. By contrast, both kernels now
provide revision information under /proc/device-
tree/system/linux,revision.
A patched version of RPi.GPIO 0.65 is available from
https://launchpad.net/~waveform/+archive/ubuntu/pkg/+packages which
preferentially reads revision information from this source (falling
back to /proc/cpuinfo to support older kernels). 0.65 was used as this
also fixes a couple of nasty PWM bugs, including a memory leak.
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