On 2019/4/24 下午8:52, Nikolay Borisov wrote: > > > On 24.04.19 г. 15:48 ч., Qu Wenruo wrote: >> Let's dump the leaf content before triggering BUG_ON() so that we can >> have some clue on what's going wrong. >> The output of tree locks should help us to debug such problem. >> > > The reason is some sort of in-memory corruption/confusion of the extent > maps, causing overlapping extents. However so far it hasn't been > possible to reproduce that on-demand to actually debug it. Filipe > suspected it has to do with extent mapping merging logic. This only > occurs when working with the log tree which takes its data from the > in-memory extent mapping tree. Anyway, this won't hurt. right? If it gives us some clue, that's the best case. If not, it won't make the current situation worse, right? Thanks, Qu
