FS#57377 - [linux-lts] Keep LTS kernel at older kernel version

Attached to Project: Arch Linux
Opened by Urs Fleisch (ufleisch) - Monday, 05 February 2018, 11:30 GMT
Last edited by Andreas Radke (AndyRTR) - Monday, 05 February 2018, 20:23 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To Andreas Radke (AndyRTR)
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

linux-lts was moved from version 4.9 to 4.14. Since version 4.14, the kernel is unusable for me and probably many others which still use old Intel graphics. The upstream bug report can be found at https://bugs.freedesktop.org/show_bug.cgi?id=104439. Switching to SNA solves the problem described in that bug report but leads to frequent crashes.

Now I have the choice between two buggy kernels (the problem still exists in version 4.15). The only "solution" besides buying new hardware or changing the distribution is to keep linux-lts at version 4.9, thereby using a kernel which is no longer updated and probably contains security holes.

So could you please keep linux-lts at version 4.9 (or even at version 4.4), at least until the current intel kernel driver is in a stable state again or support ends?
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Monday, 05 February 2018, 20:23 GMT
Reason for closing:  Won't fix
Comment by Andreas Radke (AndyRTR) - Monday, 05 February 2018, 15:21 GMT
No. This is Arch Linux. You should how to deal with your system. Build a custom kernel if you rely on it and work with upstream to solve remaining issues.

There are other Arch packages mainly systemd that often forces to move to newer kernel versions. Also libdrm requires recent kernel drm versions. With Intel grpahics you can use modesetting driver and shouldn't be affected by all the late intel driver issues.
Comment by Urs Fleisch (ufleisch) - Monday, 05 February 2018, 18:53 GMT
Thanks for taking the time to answer. Unfortunately modesetting does not work with my Intel Q35 because it needs at least OpenGL 2.1. Switching to UXA (SNA in the bug report was wrong) or DRI 2 does not help either, so it looks like I will have to fix this myself.

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