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Fix udev rules to support Linux kernels 6.8+

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Linux kernels before had devpath containing `usbN-portM`.
Newer kernels just use `port` symlink instead, which breaks our udev rules.
Changing glob from `*-port*` to `*port*` makes it work for both old and new kernels.

Closes issues #608, #609.
This commit is contained in:
Vadim Mikhailov
2025-02-23 12:23:56 -08:00
parent c74755be42
commit 42cdfb0b82
2 changed files with 5 additions and 5 deletions
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6
README.md
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@@ -250,7 +250,7 @@ Then, add udev rules like below to file `/etc/udev/rules.d/52-usb.rules`
SUBSYSTEM=="usb", DRIVER=="usb", MODE="0666", ATTR{idVendor}=="2001"
# Linux 6.0 or later (its ok to have this block present for older Linux kernels):
SUBSYSTEM=="usb", DRIVER=="usb", \
RUN="/bin/sh -c \"chmod -f 666 $sys$devpath/*-port*/disable || true\""
RUN="/bin/sh -c \"chmod -f 666 $sys$devpath/*port*/disable || true\""
Note that for USB3 hubs, some hubs use different vendor ID for USB2 vs USB3 components of the same chip,
and both need permissions to make uhubctl work properly.
@@ -264,8 +264,8 @@ If you don't like wide open mode `0666`, you can restrict access by group like t
SUBSYSTEM=="usb", DRIVER=="usb", MODE="0664", GROUP="dialout"
# Linux 6.0 or later (its ok to have this block present for older Linux kernels):
SUBSYSTEM=="usb", DRIVER=="usb", \
RUN+="/bin/sh -c \"chown -f root:dialout $sys$devpath/*-port*/disable || true\"" \
RUN+="/bin/sh -c \"chmod -f 660 $sys$devpath/*-port*/disable || true\""
RUN+="/bin/sh -c \"chown -f root:dialout $sys$devpath/*port*/disable || true\"" \
RUN+="/bin/sh -c \"chmod -f 660 $sys$devpath/*port*/disable || true\""
and then add permitted users to `dialout` group:

4
udev/rules.d/52-usb.rules
View File

@@ -20,5 +20,5 @@ SUBSYSTEM=="usb", DRIVER=="usb", MODE="0664", GROUP="dialout"
# This is for Linux 6.0 or later (ok to keep this block present for older Linux kernels):
SUBSYSTEM=="usb", DRIVER=="usb", \
RUN+="/bin/sh -c \"chown -f root:dialout $sys$devpath/*-port*/disable || true\"" \
RUN+="/bin/sh -c \"chmod -f 660 $sys$devpath/*-port*/disable || true\""
RUN+="/bin/sh -c \"chown -f root:dialout $sys$devpath/*port*/disable || true\"" \
RUN+="/bin/sh -c \"chmod -f 660 $sys$devpath/*port*/disable || true\""