[Bug 104705] [CHV] Black screen on LX0W-C64 after switching to framebuffer, both in TTY and xorg

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Mar 19 15:51:28 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=104705

--- Comment #5 from Denis <homelessatomist at gmail.com> ---
Well, I think this may be the problem:

[drm:i915_gem_object_create_stolen_for_preallocated [i915]] failed to allocate
stolen space

If I comment out "if (ifbdev->vma)", like said in bug 104158, comment 28, and
recompile the kernel, it will be about 50-50 chance for tablet to boot up
normally, with image on screen, backlight regulation and video acceleration (it
plays 1080p video from youtube).
Also I can't boot up with "drm.debug=0x1e log_buf_len=4M" (always black
screen), and it won't reboot or power off with this kernel (spams with "failed
to unmount /oldroot/*" and hangs on "kvm: exiting hardware virtualization",
maybe my fault somewhere)
(And, well, is anybody here? It was about two month without any updates)

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