Hi list, I'm not sure, but I think the recent patch to keep i915 systems from locking up / slowing down in case of irq storms didn't fully help. I compiled 3.10, but every now and then, my system has the same symptoms as before. grep storm /var/log/messages Jul 5 21:55:43 muretop kernel: [ 324.767375] [drm] HPD interrupt storm detected on connector DP-3: switching from hotplug detection to polling Jul 6 23:05:57 muretop kernel: [ 200.372208] [drm] HPD interrupt storm detected on connector HDMI-A-1: switching from hotplug detection to polling Jul 6 23:07:51 muretop kernel: [ 313.752039] [drm] HPD interrupt storm detected on connector DP-3: switching from hotplug detection to pol I notice up to 50% CPU from kworker/u8:0 when my system slows down. I'm new to kernel development, but if you tell me what to do, I'm very willing to help diagnosing this. Regards jan
