On Mon, Apr 13, 2026 at 02:20:32PM +0200, Jeremie Courreges-Anglas wrote: > On Sat, Apr 11, 2026 at 08:43:57PM +0200, Mark Kettenis wrote: > [...] > > Lightly tested by building some kernels and libc with make -j24. I've > > never been able to trigger the db_enter() on my t5120, so I don't > > expect to ever hit this code myself. > > > > ok? > > A bit late to the party, yes, LGTM. > > I'm restarting an experiment with your latest version and moving the > mtx_enter() call before the for loop. The previous run didn't trigger > since Fri 10, 1pm, running perl subprocesses and building libc in a > loop.
mtx_enter before the for loop magically works around it. Feels like we're missing memory barriers somewhere. -- jca
