Hi Peter, On Wed, Jun 10, 2020 at 5:52 PM Peter Zijlstra <[email protected]> wrote: > > On Wed, Jun 10, 2020 at 04:35:02PM +0800, kernel test robot wrote: > > Greeting, > > > > FYI, we noticed the following commit (built with gcc-9): > > > > commit: b2a02fc43a1f40ef4eb2fb2b06357382608d4d84 ("smp: Optimize > > send_call_function_single_ipi()") > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > > > > in testcase: suspend-stress > > with following parameters: > > > > mode: freeze > > iterations: 10 > > > > > > > > on test machine: 2 threads Broxton with 4G memory > > > > caused below changes (please refer to attached dmesg/kmsg for entire > > log/backtrace): > > > > > > If you fix the issue, kindly add following tag > > Reported-by: kernel test robot <[email protected]> > > > > > > the result of this commit: > > > > test started > > No dmesg output? No splat? This issue was only found on one of the test machines from lkp team. I've borrowed that machine and will try to narrow down and give feedback later.
thanks, Chenyu
