[arch-general] Random no signal on display-manager init

Troy Engel troyengel+arch at gmail.com
Tue Apr 28 00:43:49 UTC 2015

2015-04-27 10:29 GMT-05:00 Bráulio Bhavamitra <braulio at eita.org.br>:
> Process 282 (sddm-greeter) of user 996 dumped core
> [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR* intel uncleared
> pch fifo underrun on pch [drm:intel_pch_fifo_underrun_irq_handler [i915]]
> *ERROR* PCH transcoder a FIFO underrun

I think you're experiencing this bug (Google search found it):


The fix that people are using (switch to another virtual console and
back) seems to be exactly what you're seeing happen...

hope this helps,

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