[Bug 105887] [GLK] no signal after switch resolution from 1080p at 23.98

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105887

--- Comment #35 from fatez <stefano.ruzzon at icloud.com> ---
(In reply to Brunnis from comment #34)
> fatez: For some reason, I could not get to the Grub menu on my installation.
> So, here's what I did:
> 
> 1. sudo nano /etc/default/grub
> 2. Find the line that says GRUB_CMDLINE_LINUX="". Add the following between
> the quotes: drm.debug=0x1e log_buf_len=4M
>    NOTE: If there's already text between the quotation marks, just add the
> text at the end of the quote, with a space separating it from the existing
> text.
> 3. sudo update-grub
> 4. Reboot and dump log to file: dmesg > dmesg.txt

Here the log's whit the latest kernel (4.17-rc4)

Dmesg log : http://paste.ubuntu.com/p/HCwbkXMC42/
Xorg.0.log http://paste.ubuntu.com/p/zgQH5hKcXt/
syslog http://paste.ubuntu.com/p/ngm7Dsnkjq/

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