(resending with gzipped attachment) Dear BTRFS experts, I just upgraded to 4.20.1 from 4.19 (not sure if related) and my btrfs backup volume entered read-only mode when running btrfs-cleaner, i.e. when purging old subvolumes. I have attached the kernel log from when this happens. What is the best way to proceed from here? Running "btrfs check repair" on the device? Worst case it's not a huge issue to lose the data stored there, it's my backup volume after all. But it would be good to understand the cause and know if there is a better fix than starting from scratch. Cheers, Oliver PS: Please include me directly in replies, I am not subscribed to the list.
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btrfs-issue.txt.gz
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