Feng Shu <tuma...@163.com> writes: > "Feng Shu" <tuma...@163.com> writes: > >> l...@gnu.org (Ludovic Courtès) writes: >> >>> Hi, >>> >>> "Feng Shu" <tuma...@163.com> skribis: >>> >>>> Yestaday, I reinstall my guixsd, and install xfce4 as my desktop. >>>> A problem faced is that: When I press Ctrl-Alt-F1, F2, F3 ... >>>> I can not start a tty, instead of start a slim login picture? >>> >>> Can you reproduce the problem in a VM created by ‘guix system vm’? >>> (Note that in QEMU you need to do ctrl-1 to go to the QEMU console, then >>> “sendkey ctrl-alt-f1”, and then ctrl-2 to switch back to the VM screen.) >>> >>> If not, could it be that the problem has to do with the graphics driver >>> being used? >> >> qemu vm works well, may be it is graphics driver problem as you said, I >> will wait to update driver, thanks for the help! >> >>> > > When I revert "gnu: xf86-video-ati: Update to 7.10.0." , it works well. > > 84023d2fa4a47e3ac0248d304324161c041858aa
Uff. I suspect it's related to this snippet from the ChangeLog[0]: * The driver now takes measures to prevent other DRM master processes (potentially from other local users) from accessing buffers created by this driver while switched away to a different VT. Other DRM master processes should only be able to access a single buffer anymore, which contains only all-black pixels. Are you willing to report this bug upstream? See here for information: https://freedesktop.org/wiki/Software/xorg/ We should probably revert this on 'master' meanwhile. Unfortunately I don't have ATI hardware to test with, so it would be good if someone else could try to reproduce this problem. [0] https://lists.x.org/archives/xorg-announce/2017-September/002806.html
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