lör 2021-11-13 klockan 19:05 +0000 skrev Simon Iremonger (debian): > On 17/07/2021 15.04, Simon Josefsson wrote: > > Hi. I just installed Debian bullseye daily today (linux-image-amd64 > > version 5.10.40-1), and ran into this problem on a Lenovo X201. The > > message repeats every other second or so. I don't notice any other > > I believe, the messages/behaviour was slowing the system or so, > not just giving messages, at least I have seen this on X201T. > > > The workaround is to boot with kernel parameter intel_iommu=igfx_off > > e.g. set in /etc/default/grub > GRUB_CMDLINE_LINUX_DEFAULT="intel_iommu=igfx_off" > and then re-run sudo update-grub and reboot. Thanks -- I discovered this too. I can confirm this workaround silences the messages. I can't tell if the system remains slowed down or not, I do get the following messages in the log sometimes, but it could be that GNOME requires too much resources from this machine. Nov 13 20:04:17 latte gnome-shell[2141]: libinput error: client bug: timer event10 debounce short: scheduled expiry is in the past (-5ms), your system is too slow Nov 13 20:05:55 latte gnome-shell[2141]: libinput error: client bug: timer event10 debounce: scheduled expiry is in the past (-0ms), your system is too slow Nov 13 20:06:44 latte gnome-shell[2141]: libinput error: event10 - Logitech USB Optical Mouse: client bug: event processing lagging behind by 19ms, your system is too slow Nov 13 20:07:08 latte gnome-shell[2141]: libinput error: client bug: timer event10 debounce short: scheduled expiry is in the past (-5ms), your system is too slow Nov 13 20:07:25 latte gnome-shell[2141]: libinput error: event10 - Logitech USB Optical Mouse: client bug: event processing lagging behind by 33ms, your system is too slow /Simon
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