On Sun, Nov 18, 2018 at 05:19:04PM -0800, Matthew Wilcox wrote: > On Mon, Nov 19, 2018 at 09:08:20AM +0800, kernel test robot wrote: > > Greetings, > > > > 0day kernel testing robot got the below dmesg and the first bad commit is > > Umm. I don't see a 'suspicious RCU usage' message in here. I see a > lot of vmalloc warnings ... ? Never mind, the RCU warnings were in one of the attached dmesg files. I found the problem; it's in the test-suite and not something that could lead to any real problems today. Thanks for the report!