Zhouyi Zhou <zhouzhouyi@xxxxxxxxx> writes: > Dear PowerPC and RCU developers: > During the RCU torture test on mainline (on the VM of Opensource Lab > of Oregon State University), SRCU-P failed with __stack_chk_fail: ... > by debugging, I see the r10 is assigned with r13 on c000000000226eb4, > but if there is a context-switch before c000000000226edc, a false > positive will be reported. > > [1] http://154.220.3.115/logs/0422/configformainline.txt Says: CONFIG_CC_VERSION_TEXT="powerpc64le-linux-gnu-gcc-10 (Ubuntu 10.4.0-4ubuntu1~22.04) 10.4.0" Do you see the same issue with a newer GCC? There's 12.2.0 here: https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/x86_64/12.2.0/ https://mirrors.edge.kernel.org/pub/tools/crosstool/files/bin/ppc64le/12.2.0/ Or if you can build in a Fedora 38 system or container, it has GCC 13. cheers
