found 452121 2:1.4-3 thanks This seems to be the same issue as #415147. I just got this on another laptop. It's a Thinkpad R60 with Debian amd64, mainline kernel 184.108.40.206, xserver-xorg-core 2:1.4-3, xserver-xorg-video-intel 2:2.2.0-1. It happened while using Thunderbird. I switched consoles (with the mouse) and killed Thunderbird and some other processes, but it didn't help. Also noticed that the magic SysRq commands continue to work. Marcus
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