On Wed, Jul 10, 2019 at 10:58:25AM +0200, Thomas Gleixner wrote: > On Wed, 10 Jul 2019, Will Deacon wrote: > > On Tue, Jul 09, 2019 at 09:02:54PM -0700, John Stultz wrote: > > > I tried to bisect things down a bit, but as some later fixes are > > > required (at one point, date was returning the start epoch and never > > > increasing), this hasn't worked too well. But I'm guessing since I > > > see: "CROSS_COMPILE_COMPAT not defined or empty, the compat vDSO will > > > not be built", and the system is half working, I'm guessing this is an > > > issue with just the 32bit code failing. While I can try to sort out > > > the proper CROSS_COMPILE_COMPAT in my build environment, I assume > > > userland shouldn't be crashing if that value isn't set. > > > > > > Any chance this issue has already been raised? > > > > First I've seen of it, although Vincenzo is likely to know better than me. > > In the meantime, please can you share your .config? > > I think the key is: CROSS_COMPILE_COMPAT not defined or empty. And then run > 32bit userspace. The part I was wondering about is whether the vectors page has been disabled at the same time, since I'm fairly sure I've already been running with the above (but I can easily double-check). Will