Hello Alan, On Fri, 1 Feb 2019, Alan Mackenzie wrote: > 0e334db6bb4b1fd1e2d72c1f3d8f004313cd9f94 > posix-timers: Fix division by zero bug > Committed: 2018-12-17 17:35:45 +0100 > > With this patch in place I am seeing problems with glibc's function > timer_create. I am an Emacs maintainer, and saw these problems whilst > investigating Emacs bug #34235 "27.0.50; lisp profiler does not work".
> Emacs's profiler fails in kernel 4.19.13, but works in a version of > 4.19.13 with the patch reversed, otherwise unchanged. My current version > of glibc is 2.27-r6 (I think the "-r6" comes from Gentoo, my distro). Please upgrade to 4.19.19. The issue should be fixed there with the backported variant of 93ad0fc088c5 ("posix-cpu-timers: Unbreak timer rearming") Commit 21c0d1621b8d4b in 4.19.19 Thanks, tglx