I have noticed that my mouse cursor hangs ca. every 30 sec. at the same time I see the following log message: kernel: [ 833.140022] [drm:intel_crt_detect], CRT not detected via hotplug I have tried the following command to disable the hotplug detection: echo N > /sys/module/drm_kms_helper/parameters/poll The problem is, that the log message and mouse cursor hangs are still present. I tried the latest kernel from: http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/ but that did not help. For detailed information about my system please see the attached gfx_info.log.
Ah, you're right that this is the same problem as hotplug polling. Only this time it is being done by upowerd. And because this is a userspace request, we do a complete probe of the hardware so that the status we report reflects reality and not just a good guess. You need to get an update for upowerd.
(This is not to mean that I feel that the system should behave in this manner when probing outputs. Just at the moment that is unavoidable, the fix is long and complicated and being tracked elsewhere.)
(In reply to comment #1) > Ah, you're right that this is the same problem as hotplug polling. Only this > time it is being done by upowerd. And because this is a userspace request, we > do a complete probe of the hardware so that the status we report reflects > reality and not just a good guess. > > You need to get an update for upowerd. Okay thanks for that information. Could you give me a hint what version is known to fix the problem? At the moment I have installed this version from natty: https://launchpad.net/ubuntu/+source/upower/0.9.8-3
Cyril Brulebois: 11:00 < KiBi> and 0.9.9-1 fixed it, in the new upstream release statement, not as a debian-specific patch 11:00 < KiBi> at least according to the changelog as seen on http://packages.qa.debian.org/u/upower/news/20110321T145348Z.html
Thank you very much!
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