Re: Linux 3.16-rc1: drm:intel_dp_start_link_train *ERROR* too many full retries, give up

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On Mon, Jun 16, 2014 at 10:08 PM, Oliver Hartkopp
<socketcan@xxxxxxxxxxxx> wrote:
> Hey all,
>
> with my Debian unstable the upgrade from 3.15 to 3.16-rc1 failed with this fancy
> [drm:intel_dp_start_link_train *ERROR* too many full retries, give up] message loop.

This message in dmesg and

> lightdm/XFCE4 doesn't start anymore (it tries several times but fails always).

xfce not starting shouldn't be related. Are you sure xfce isn't
starting and that it's not just a black screen, but otherwise working
X?

Please attach complete dmesg with drm.debug=0xe added to your kernel
cmdline and Xorg.log.

Thanks, Daniel

> Hm - I just found this stuff in my stock Debian Kernel too:
> 3.14-1-686-pae #1 SMP Debian 3.14.5-1 (2014-06-05) i686 GNU/Linux
>
>
> [    6.461232] [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up
> [    6.873772] dell_wmi: Received unknown WMI event (0x11)
> [    6.884336] Console: switching to colour frame buffer device 240x67
> [    6.948511] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
> [    6.948513] i915 0000:00:02.0: registered panic notifier
>
> [    7.430429] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
>
> But at least it starts with the 3.14 (any the latest 3.15).
>
> I have a Intel(R) Core(TM) i7 CPU M 640  @ 2.80GHz with Intel HD graphics.
>
> Any idea?
>
> Regards,
> Oliver



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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