Bug 111294 - [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
Summary: [chv] on Lenovo Miix 320-10ICR Screen become black after Plymouth if microSD ...
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: high major
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
Whiteboard: ReadyForDev, Triaged
Depends on:
Reported: 2019-08-03 11:33 UTC by russianneuromancer
Modified: 2019-11-29 19:21 UTC (History)
1 user (show)

See Also:
i915 platform: BSW/CHT
i915 features: display/Other

drm-tip dmesg with drm.debug=0x1e from Lenovo Miix 320-10ICR (236.72 KB, text/plain)
2019-08-03 11:33 UTC, russianneuromancer
no flags Details

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


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
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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