On Tue, Apr 25, 2023 at 6:07 AM Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > > 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? I would like to try that in the newest GCC ;-), please give me about a day's time because I am going to compile the 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. OK, I will try it or similar This is a very learningful process for me, thank you all ;-) Cheers > > cheers
