From dd99a8527511fca75205ddb72a857d57ce44e5e0 Mon Sep 17 00:00:00 2001 From: Andrew David Wong Date: Tue, 11 Oct 2016 00:29:44 -0700 Subject: [PATCH] Troubleshooting: ThinkPads with Intel HD 3000 graphics --- troubleshooting/thinkpad-troubleshooting.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/troubleshooting/thinkpad-troubleshooting.md b/troubleshooting/thinkpad-troubleshooting.md index 9a2f3e9a..6ea6ec4b 100644 --- a/troubleshooting/thinkpad-troubleshooting.md +++ b/troubleshooting/thinkpad-troubleshooting.md @@ -38,3 +38,11 @@ Then reboot, enter BIOS and re-enable VT-d. ~~~ 2. Add the script to the startup-items of your desktop environment. + +## ThinkPads with Intel HD 3000 graphics ## + +Several ThinkPad models have Intel HD 3000 graphics, including the T420s and the +T520. Some users with these laptops have experienced random reboots, which were +solved by adding `i915.enable_rc6=0` as a kernel parameter to +`GRUB_CMDLINE_LINUX` in the file `/etc/default/grub` in dom0. +