On 20.03.23 20:44, Tobias Dahms wrote: > Hello, > > since some kernel versions I get a kernel errror while setting led > trigger to phy0tpt. > > command to reproduce: > echo phy0tpt > /sys/class/leds/bpi-r2\:isink\:blue/trigger > > same trigger, other led location => no error: > echo phy0tpt > /sys/class/leds/bpi-r2\:pio\:blue/trigger > > other trigger, same led location => no error: > echo phy0tx > /sys/class/leds/bpi-r2\:isink\:blue/trigger > > last good kernel: > bpi-r2 5.19.17-bpi-r2 > > error at kernel versions: > bpi-r2 6.0.19-bpi-r2 > up to > bpi-r2 6.3.0-rc1-bpi-r2+ Thx for the report. "5.19.17-bpi-r2" sounds like a vendor kernel. Is that one that is vanilla or at least close to vanilla? If not, you'll have to report this to your kernel vendor. If not: could you try to bisect this? > wireless lan card: > 01:00.0 Network controller: MEDIATEK Corp. MT7612E 802.11acbgn PCI > Express Wireless Network Adapter > > distribution: > Arch-Linux-ARM (with vanilla kernel instead of original distribution > kernel) > > board: > BananaPi-R2 Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr If I did something stupid, please tell me, as explained on that page.