Stephen R. van den Berg wrote: >Stephen R. van den Berg wrote: >>Stephen R. van den Berg wrote: >>>Qu Wenruo wrote: >>>>>> It's caused by qgroup, and a dead lock on btrfs_drop_snapshot(). >>>>>> Please either disable qgroup or apply this patch to solve it: >>>>>> https://patchwork.kernel.org/patch/10725371/ >>>Ok, booting the system in v4.20 with this patch. I'll report back if >>>it does not resolve the problem. I'm running v4.20.0 with this patch on this system, BTW. -- Stephen.
