Martijn Rijkeboer <mart...@bunix.org> wrote: > On 09/05/18 12:04, Solène Rapenne wrote: > > Le 2018-09-05 11:54, Martijn Rijkeboer a écrit : > >> Hi, > >> > >> I've installed OpenBSD-current (dmesg below) on my new Lenovo Thinkpad > >> T480 and noticed the following error during startup: > >> > >> error: [drm:pid0:i915_firmware_load_error_print] *ERROR* failed to > >> load firmware i915/kbl_dmc_ver1.bin (-22) > >> error: [drm:pid0:intel_dp_link_training_clock_recovery] *ERROR* too > >> many full retries, give up > >> > >> > >> This results in very slow X11 performance. Any suggestions how to fix > >> this? > >> > >> Kind regards, > >> > >> > >> Martijn Rijkeboer > > > > Hello > > > > Can you define "very slow X11 performance". I have the same laptop and > > it works > > fine, I can even play Doom 3. > > > > Is /dev/drm0 owned by your user? > > Hello, > > Starting an xterm takes more than a few seconds, starting chromium takes > more than a minute. Yes, /dev/drm0 is owned by my user. > > I've done some more testing and found that not only X11, but everything > is slow. Even mounting the partitions and starting the system services > during startup. With top, CPU0 shows 85% sys even when everything is > idle. > > However, the above only manifest when I do a _cold_ boot (both on AC and > battery). When I reboot the system, everything behaves normal (i.e. > fast) and CPU0 shows 0% sys. Furthermore, it doesn't matter if the > reboot is done from OpenBSD or Windows. > > Kind regards, > > > Martijn Rijkeboer
I definitely don't have thoses issues. As Bryan Steele suggests, try to check in the bios if you have options related to battery / power management. I don't remember what I did, but as first boot I always go to bios to disable uneless devices and check that things are right.
