From 45bbf69c70fe48cacf46c70900180c648edfbfa6 Mon Sep 17 00:00:00 2001 From: bx Date: Mon, 22 Mar 2021 13:18:42 -0400 Subject: [PATCH] update kernel parameter name in intel-igfx-troubleshooting.md --- docs/troubleshooting/intel-igfx-troubleshooting.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/troubleshooting/intel-igfx-troubleshooting.md b/docs/troubleshooting/intel-igfx-troubleshooting.md index c143e8d..a6fc711 100644 --- a/docs/troubleshooting/intel-igfx-troubleshooting.md +++ b/docs/troubleshooting/intel-igfx-troubleshooting.md @@ -8,12 +8,12 @@ You can confirm this is the issue by looking for a line similar to the following [ 131.769] (EE) AIGLX: reverting to software rendering -Newer versions of the Linux kernel have renamed the `i915.preliminary_hw_support=1` option to `i915.alpha_support=1`, so if you needed this kernel option in the past you will have to rename it or add it to your configuration files (follow either GRUB2 or EFI, not both): - +Newer versions of the Linux kernel have renamed the `i915.alpha_support=1` option (which was originally called `i915.preliminary_hw_support=1`) to `i915.force_probe=*`, so if you needed this kernel option in the past you will have to rename it or add it to your configuration files (follow either GRUB2 or EFI, not both): * GRUB2: `/etc/default/grub`, `GRUB_CMDLINE_LINUX` line and Rebuild grub config (`grub2-mkconfig -o /boot/grub2/grub.cfg`) * EFI: `/boot/efi/EFI/qubes/xen.cfg`, `kernel=` line(s) +If you are unsure as to which parameter works with your kernel, check whether your kernel log from your latest boot has a message containing "i915: unknown parameter". ## IOMMU-related issues ##