Hi, 2017-12-06 19:18 GMT+01:00 Andreas Beckmann <a...@debian.org>:
> On 2017-12-06 18:39, Julien Aubin wrote: > > Raised issue #883705 as it is actually a libc6 regression (it may affect > > other apps actually). > > I tried to set a title for that bug (it had none), but maybe you can > describe it even better? > The title I've set is : libc6: 2.24-11+deb9u2 breaks Nvidia's GLX X module on Pascal GPU https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=883705 > > Just to verify: if you downgrade libc6 to 2.24-11+deb9u1 everything is > working properly again? > Yup I confirm that if you downgrade all is working properly again. > > My guess is that it is not related to the nvidia driver at all (except > for utilizing a certain code path in glibc), but to your CPU and the > optimized glibc routines used for it ... > > So try touching the file /etc/ld.so.nohwcap - hopefully glibc will stop > using any optimized code for your cpu. If this works (and the glx module > works agian afterwards), we are moving into the right direction. > I guess the same, some optimization introduced in the makefile which triggers a different compilation path. > > > Andreas >