On Tue, 17 Sep 2019 at 10:21, Qu Wenruo <quwenruo.btrfs@xxxxxxx> wrote: > On 2019/9/17 上午4:32, Lai Wei-Hwa wrote: > > [ +0.000019] CPU: 18 PID: 28882 Comm: btrfs Tainted: P IO 4.4.0-157-generic #185-Ubuntu > > Although your old kernel is not causing the problem of this case, it's > still recommended to upgrade to a newer kernel for btrfs usage. https://wiki.ubuntu.com/Kernel/LTSEnablementStack
