On 2020-12-03 10:40:16 [+0100], Mike Galbraith wrote: > In thread "scheduling while atomic in z3fold", I mentioned that of the > three pool methods, only zbud did not explode. Below is the explosion > encountered when zsmalloc is used in conjunction with runltp -f mm. As > with the z3fold explosion, this one also seems to be highly repeatable, > this from one of my full distro "my box plays russian dolls [1]" KVMs. great. > [ 5763.720268] kernel BUG at kernel/locking/rtmutex.c:1057! … > [ 5763.726016] RAX: 00000000ffffffdd RBX: ffff903f77c68080 RCX: 0000000000000001 That is a deadlock. Does lockdep say anything or does it disable the bug from happening? Sebastian
