Hi, I have a Dell Precision WorkStation T3500. It stopped to power off after shutdown. Bisection revealed commit 2a2d31c8 "intel_idle: open broadcast clock event" to be the reason. Below are all the dmesg lines containing "intel_idle": [ 2.184560] intel_idle: MWAIT substates: 0x1120 [ 2.184561] intel_idle: v0.4 model 0x1A [ 2.184562] intel_idle: lapic_timer_reliable_states 0x2 [ 2.204056] ACPI: acpi_idle yielding to intel_idle Please let me know what further information you need to fix the problem. Regards, Ari _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm