On Mon, Feb 21, 2022 at 10:16:49PM +0800, 陈立新 wrote: > I use the kernel version is 4.19.36, which it has no 64081362e8ff4587b4554087f3cfc73d3e0a4cd7 mm/page-writeback.c: fix range_cyclic writeback vs writepages deadlock patch. > I think this patch can fix this deadlock. This patch was added to v4.19.87 which was released in December 2019. You really should update to the latest v4.19 kernel; you're missing hundreds, if not thousands of bug-fixes, many of them with CVEs attached.
