eeva/nixos-hardware
1
0
Fork 0
mirror of https://github.com/NixOS/nixos-hardware synced 2024-12-23 18:19:44 +01:00
Code Issues Releases Wiki Activity

lenovo/thinkpad/l14/amd: switch to soft iommu mode to prevent mmcblk kernel panic

Browse source
This commit is contained in:
Julian Stecklina 2021-08-25 23:27:37 +02:00
parent 49f1d1e1f8
commit 9ff8606e7e
1 changed files with 6 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
lenovo/thinkpad/l14/amd/default.nix
View file

@ -12,10 +12,13 @@
# either crashes or is not able to attach to the GPU depending on # either crashes or is not able to attach to the GPU depending on
# the kernel version. I've seen no issues with the IOMMU disabled. # the kernel version. I've seen no issues with the IOMMU disabled.
# #
# BIOS version 1.13 claims to fix IOMMU issues, but we leave the # BIOS version 1.13 fixes the IOMMU issues, but we leave the IOMMU
# IOMMU off to avoid a sad experience for those people that drew # in software mode to avoid a sad experience for those people that drew
# the short straw when they bought their laptop. # the short straw when they bought their laptop.
"iommu=off" #
# Do not set iommu=off, because this will cause the SD-Card reader
# driver to kernel panic.
"iommu=soft"
]; ];
# As of writing this, Linux 5.8 is the oldest kernel that is still # As of writing this, Linux 5.8 is the oldest kernel that is still