Bug 111294

Summary: [chv] on Lenovo Miix 320-10ICR Screen become black after Plymouth if microSD is inserted, error: [drm:intel_dp_aux_xfer [i915]] dp_aux_ch timeout status 0x71450064
Product: DRI Reporter: russianneuromancer
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: RESOLVED MOVED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: major    
Priority: high CC: intel-gfx-bugs
Version: unspecified   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard: ReadyForDev, Triaged
i915 platform: BSW/CHT i915 features: display/Other
Attachments:
Description Flags
drm-tip dmesg with drm.debug=0x1e from Lenovo Miix 320-10ICR none

Description russianneuromancer 2019-08-03 11:33:19 UTC 
Created attachment 144942 [details]
drm-tip dmesg with drm.debug=0x1e from Lenovo Miix 320-10ICR

Hello!

I find that inserted microSD somehow cause issues with starting graphical session on Lenovo Miix 320-10ICR. Please look into attached log for more details, check part with following error message:
[drm:intel_dp_aux_xfer [i915]] dp_aux_ch timeout status 0x71450064

It's visible that backlight is enabled, but gdm3 (with enabled / disabled Wayland) doesn't render anything. Enabling / disabling Wayland and autologin doesn't change anything.

drm-tip 2019-07-30 4040b4c4ab647422d82100c8b091d34b6a82f572 log with drm.debug=0x1e log_buf_len=8M from boot with inserted microSD is attached. You can look into log without inserted microSD in Bug 111293.

Lenovo Miix 320-10ICR
Ubuntu 19.04 x86_64
Comment 1 Jani Saarinen 2019-11-14 07:55:13 UTC 
Hi,
Are you able to verify with latest drm-tip if any changes happened to situation?
Comment 2 Martin Peres 2019-11-29 19:21:42 UTC 
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