On Sun, Dec 15, 2019 at 11:18 AM Dexuan-Linux Cui <dexuan.linux@xxxxxxxxx> wrote: > > Hi, > We're seeing the same hang issue with a recent Linux next-20191213 > kernel. If we revert the same commit 82150cb53dcb ("rcu: React to > callback overload by aggressively seeking quiescent states”), the > issue will go away. > > Note: we're running the x86-64 Linux VM Hyper-V, and the the torture > test is not used: Sorry for missing a "on" after the word "VM" (and typing 1 more "the") .