<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [GLK] no signal after switch resolution from 1080p@23.98" href="https://bugs.freedesktop.org/show_bug.cgi?id=105887#c34">Comment # 34</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [GLK] no signal after switch resolution from 1080p@23.98" href="https://bugs.freedesktop.org/show_bug.cgi?id=105887">bug 105887</a> from <a class="email" href="mailto:mbrunnhede@gmail.com" title="Brunnis <mbrunnhede@gmail.com>"> Brunnis</a> <pre>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</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>