Hi, On Sun, Mar 21, 2021 at 12:44:24PM +0100, Thomas Meyer wrote: > Hi, > > when booting with an external monitor connected the boot process seems to stop > in the kernel. No additional output is show, it just hangs. > > kernel is 5.10.23 and driver is i915. When unplugging and reset computer, the > system starts normal. Any ideas what could be the culprit and what to enable > in kernel config to get a bit more insight what's probably going on? Thanks for the report. Please open a ticket at https://gitlab.freedesktop.org/drm/intel/-/issues/new You can capture a dmesg log by booting with drm.debug=0x1e, and either configuring netconsole as built-in, passing the required netconsole= boot params for it [1], or building i915 as a module and modprobing it only from the console (by booting with modprobe.blacklist=i915,snd_hda_intel). --Imre [1] https://www.kernel.org/doc/Documentation/networking/netconsole.txt > > mfg > thomas > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
