On Wed, Jul 08, 2020 at 09:09:00AM +0200, Marek Szyprowski wrote: > ------------[ cut here ]------------ > WARNING: CPU: 3 PID: 1 at kernel/kthread.c:817 kthread_queue_work+0xac/0xd4 > Modules linked in: > CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.8.0-rc4-00017-g4977caef05aa #1193 > Hardware name: Samsung Exynos (Flattened Device Tree) > [] (unwind_backtrace) from [] (show_stack+0x10/0x14) > [] (show_stack) from [] (dump_stack+0xbc/0xe8) > [] (dump_stack) from [] (__warn+0xf0/0x108) > [] (__warn) from [] (warn_slowpath_fmt+0xb0/0xb8) > [] (warn_slowpath_fmt) from [] (kthread_queue_work+0xac/0xd4) Please think hard before including complete backtraces in upstream reports, they are very large and contain almost no useful information relative to their size so often obscure the relevant content in your message. If part of the backtrace is usefully illustrative (it often is for search engines if nothing else) then it's usually better to pull out the relevant sections.