https://bugzilla.kernel.org/show_bug.cgi?id=91141 Zhang Rui <rui.zhang@xxxxxxxxx> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO CC| |rui.zhang@xxxxxxxxx --- Comment #1 from Zhang Rui <rui.zhang@xxxxxxxxx> --- please make sure your kernel is built with CONFIG_DYNAMIC_DEBUG=y. please make sure the debugfs is mounted Then, please run "echo -n 'file acpi-cpufreq.c +p' > <debugfs>/dynamic_debug/control" "echo -n 'file cpufreq.c +p' > <debugfs>/dynamic_debug/control" "echo -n 'file processor_perflib.c +p' > <debugfs>/dynamic_debug/control" before modprobe the acpicpufreq driver and attach the dmesg output after it. please attach the .dat tables using the following script: #!/bin/bash TABLE_PATH=/sys/firmware/acpi/tables for i in $(ls $TABLE_PATH) do if [ -d $TABLE_PATH/$i ] then continue fi cat $TABLE_PATH/$i > /tmp/$i.dat done for j in $(ls $TABLE_PATH/dynamic) do cat $TABLE_PATH/dynamic/$j > /tmp/$i.dat done -- You are receiving this mail because: You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html