Marius Bakke <mba...@fastmail.com> writes: > 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/
I don't fimilar xorg, and my English is poor, but I send a report.... https://bugs.freedesktop.org/show_bug.cgi?id=102948 > > 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. Good idea.... > > [0] https://lists.x.org/archives/xorg-announce/2017-September/002806.html > --