[Bug 105811] kernel 4.15.x boot fails at kms

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105811

--- Comment #37 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Alec Habig from comment #36)
> ok, all's not wine and roses.  When exiting X, it goes into the same style
> lockup as used to happen on boot.  Which includes crashing so hard that
> often times (but not all the time) the BIOS can't find the boot disk after
> the next power cycle.
> 
> At least the bug moving further back in the chain means I can do some work,
> and investigate a running system.  Thank goodness I didn't uninstall the
> (still happily working) kernel-4.14.18-300.fc27.x86_64

Alec, sorry for the delay...
Do you have the dmesg from boot? Attached logs are old. Have you verified wtih
latest drm-tip? Please attach the latest dmesg from boot with kernel parameters
drm.debug=0x1e log_buf_len=4M.

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