Bug 99963

Summary: [BYT] Black screen on baytrail tablet when booting without nomodeset
Product: DRI Reporter: Joseph Thommes <joseph-thommes>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED INVALID QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: XOrg git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: BYT i915 features: display/Other
Attachments:
Description Flags
dmesg without nomodeset
none
dmesg with drm.debug=14 and without nomodeset none

Description Joseph Thommes 2017-02-25 15:19:12 UTC 
Created attachment 129910 [details]
dmesg without nomodeset

Hello,
I have a Lenovo Miix 2-8 and I'm trying to install arch linux on it.
It is a windows-tablet with a 32-bit UEFI and Intel Baytrail Processor and Integrated Graphics inside.
I successfully installed arch linux and grub and am able to boot into the system, but only with the kernel option "nomodeset" set. Otherwise the boot process is also successful, but at some point the screen turns black.
I still am able to type in everything etc and it works - just the display is black.
I have been trying to install linux on this tablet for 2 years now and this -> https://bugs.freedesktop.org/show_bug.cgi?id=97330 gave me new hopes to get accelerated graphics working.
It still does not work for me, but the symptoms are slightly different after the update:
the screen does not flicker anymore, but turns black anyway as before.
Attached you find my dmesg without nomodeset.
If you need further information, just ask.
Comment 1 Jani Nikula 2017-02-27 13:21:34 UTC 
Please add drm.debug=14 module parameter, and attach dmesg again.
Comment 2 Joseph Thommes 2017-02-27 13:58:53 UTC 
Created attachment 129955 [details]
dmesg with drm.debug=14 and without nomodeset

Added dmesg with drm.debug=14
Comment 3 Elizabeth 2017-06-27 20:47:51 UTC 
(In reply to Joseph Thommes from comment #0)
> 
Hello Joseph,
Sorry for the delay, is these bug still valid? Is the problem still present? Thank you.
Comment 4 Elizabeth 2017-08-31 19:26:03 UTC 
Hello Joseph,
I'm closing this bug as no new information have been reported since February, assuming that the problem is no more present in newer kernel versions or that you're no using the HW anymore. If the problem still exits please REOPEN this case. Thank you.

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