Mailinglist Archive: opensuse-factory (745 mails)

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[opensuse-factory] 100% X CPU usage in recent TW, seems touchpad-related
Hi all,

If I try to upgrade my laptop (Gigabyte P35X), which currently runs 20171211, to any recent Tumbleweed snapshot (at least since 20171223, I don't know if it was there before), X goes spinning at 100% CPU usage and my X11 log becomes full of "(EE) ETPS/2 Elantech Touchpad: Read error 9". The touchpad otherwise seems to work normally, but the fan noise and battery drain are obviously unwelcome.

Do you have any tips on how to narrow this down to a precise component / update and send appropriate bug reports upstream? I did not see anything in the snapshot announcements that I could obviously relate to Elantech touchpads or the way X11 handles them, aside from some bugfix libinput updates in 20171213 and 20171220. But the Linux UI stack is very complex and there were quite a lot of updates in the 20171211-20171223 period, so I may have missed something important.


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