Hi Thomas, On Mon, Jul 01, 2019 at 09:13:54AM +0200, Thomas Gleixner wrote: > Feng, > > On Sun, 30 Jun 2019, Thomas Gleixner wrote: > > On Sun, 30 Jun 2019, Feng Tang wrote: > > > On Sun, Jun 30, 2019 at 01:35:39PM +0200, Thomas Gleixner wrote: > > > > On Sat, 29 Jun 2019, Thomas Gleixner wrote: > > > > > On Fri, 28 Jun 2019, Thomas Gleixner wrote: > > > > > > On Fri, 28 Jun 2019, Feng Tang wrote: > > > > > > That function just 'works' by chance not by design. I'll stare into > > > > > > it and > > > > > > fix it up for real. > > > > > > > > > > > > Thank you very much for that information. Your debug was spot on! > > > > > > > > > > I rewrote that function so it actually handles that case correctly > > > > > along > > > > > with some other things which were broken and force pushed the > > > > > WIP.x86/ipi > > > > > branch. > > > > > > > > > > Can you please run exactly that test again against that new version > > > > > and > > > > > verify that this is fixed now? > > > > > > > > Just found another issue with that thing. Don't waste your time on it. > > > > I'll > > > > come back to you when I'm done. > > > > > > Ok. I noticed that the ipi branch has been merged to tip/master. > > > > Yes, but it will be zapped there as well. > > In case you still have your debug version (that old tree which triggered > the warn) around, could you please run that again and add > > 'lapic=notscdeadline' > > to the kernel command line please?
After adding the boot paramter, the result is the same. The dmesg is attached. Thanks, Feng
dmesg.xz
Description: application/xz
