On Thu, Jul 15, 2021 at 12:28:39PM +0800, Macpaul Lin wrote: > Dear Greg, > > Our customers have feedback some similar issues as below link on Android > kernel-4.14 and kernel-4.19. > Link: https://marc.info/?l=linux-kernel&m=138695698516487 > > They've reported system become abnormal when OTG U-disk has been plugged > out after the system has been suspended. > After debugging, we've found the root cause is the same of the issue > (link) has been reported. We've also tested the patch "bdi: Do not use > freezable workqueue" is worked. > Link: https://lkml.org/lkml/2019/10/4/176 > commit id in Linus tree: a2b90f11217790ec0964ba9c93a4abb369758c26 > > However, we've checked that patch seems hasn't been applied to stable > tree (We've checked 4.14 and 4.19). Would you please help to cherry-pick > this patch to stable trees (and to Android trees)? Now queued up to the stable kernel trees. If you need something in Android kernel trees, please contact google or submit a patch to AOSP for the needed branches. thanks, greg k-h
