FS#55944 - Dell XPS 13 (9343): root partition mounted read-only when resuming from suspend since 4.13.4

Attached to Project: Arch Linux
Opened by Sebastian Stammler (epinephrine) - Tuesday, 10 October 2017, 21:09 GMT
Last edited by Doug Newgard (Scimmia) - Wednesday, 11 October 2017, 15:32 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To No-one
Architecture x86_64
Severity High
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Since I upgraded to 4.13.4, after resuming the system from suspend, the root partition is mounted read-only and I cannot remount it rw since sudo (or just anything) throws errors as well. I can only reboot the system using Alt+SysRq+reisub...

The problem does not occur with the LTS kernel, so it must be a regression in 4.13.4. When resuming from suspend with the console open, I can see a stream of error messages running over the screen for a few seconds. The final screen is attached.
   Suspend Resume errors 4.13.4_... (766.9 KiB)
This task depends upon

Closed by  Doug Newgard (Scimmia)
Wednesday, 11 October 2017, 15:32 GMT
Reason for closing:  Fixed
Additional comments about closing:  linux 4.13.5-1
Comment by Sebastian Stammler (epinephrine) - Tuesday, 10 October 2017, 21:10 GMT
Forums post: https://bbs.archlinux.org/viewtopic.php?id=230768
Comment by Sebastian Stammler (epinephrine) - Wednesday, 11 October 2017, 15:27 GMT
Adding intel_iommu=off to kernel parameters solves the problem, see forum post.

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