From 212a5a7d7ca7717a573f6404c0a2d2faaaf2a6d3 Mon Sep 17 00:00:00 2001 From: Ben Ford Date: Fri, 13 Jul 2018 09:47:48 +0100 Subject: Add a note about rcu_sched problems How I fixed my XPS15 after it being dead for two months --- dell/xps/15-9550/README.wiki | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'dell') diff --git a/dell/xps/15-9550/README.wiki b/dell/xps/15-9550/README.wiki index d673955..a4adf68 100644 --- a/dell/xps/15-9550/README.wiki +++ b/dell/xps/15-9550/README.wiki @@ -36,3 +36,17 @@ These settings are needed both for booting the final install, and installer itse * ''Update BIOS.'' According to Reddit, this helps with battery life. * ''Update Intel's Thunderbolt firmware.'' Without this, the Thunderbolt port will only work as power source, and not transfer data. + +=== Troubleshooting === + +==== rcu_sched freezing problems ==== + +After a recent update my machine became unstable. X couldn't start and even running `lspci` would lock the machine. I'm not sure what the root cause was, but I found the fix here: https://wiki.archlinux.org/index.php/Dell_XPS_15_9560#Troubleshooting + +TL;DR I added this line: + +``` +boot.kernelParams = [ "acpi_rev_override=1" "pcie_aspm=off" "nouveau.modeset=0" ]; +``` + + -- cgit v1.2.3