On Wed, Mar 08, 2017 at 09:08:54AM +0800, kernel test robot wrote: > > FYI, we noticed the following commit: > > commit: 857811a37129f5d2ba162d7be3986eff44724014 ("locking/ww_mutex: Adjust > the lock number for stress test") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > in testcase: boot > > on test machine: qemu-system-i386 -enable-kvm -m 320M > > caused below changes (please refer to attached dmesg/kmsg for entire > log/backtrace):
Now the test is running, it takes too long. :) wait_for_completion_interruptible() would stop the hung task check? That leaves NMI watchdog to check if we hit a deadlock between the workers. And add a timeout to the stress test. -Chris -- Chris Wilson, Intel Open Source Technology Centre