While building Linux stable-rc 6.12.48-rc1 the powerpc allmodconfig and x86_64 allyesconfig build fails. Regression Analysis: - New regression? yes - Reproducibility? yes Build regression: powerpc clang-20-allmodconfig Powerpc allmodconfig build error : /builds/linux/drivers/net/ethernet/ibm/ibmvnic.c:6134:13: error: stack frame size (2080) exceeds limit (2048) in 'ibmvnic_tasklet' [-Werror,-Wframe-larger-than] 6134 | static void ibmvnic_tasklet(struct tasklet_struct *t) | ^ Build log: https://qa-reports.linaro.org/api/testruns/29918282/log_file/ Build details: https://regressions.linaro.org/lkft/linux-stable-rc-linux-6.12.y/v6.12.46-149-g6281f90c1450/log-parser-build-clang/clang-compiler-drivers_net_ethernet_ibm_ibmvnic_c-error-stack-frame-size-exceeds-limit-in-ibmvnic_tasklet/ Bisection in progress. Build regression: x86_64 gcc-13-allyesconfig 2025/09/17 13:43:43 socat-external[1252] W waitpid(-1, {}, WNOHANG): no child has exited x86_64-linux-gnu-ld: kernel image bigger than KERNEL_IMAGE_SIZE Build log: https://qa-reports.linaro.org/api/testruns/29919415/log_file/ Build details: https://regressions.linaro.org/lkft/linux-stable-rc-linux-6.12.y/v6.12.46-149-g6281f90c1450/build/gcc-13-allyesconfig/ Bisection in progress. Reported-by: Linux Kernel Functional Testing ## Build * kernel: 6.12.48-rc1 * git: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git * git commit: 6281f90c1450c5ee21a0f42e3dff4654f395d963 * git describe: v6.12.46-149-g6281f90c1450 * test details: https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.12.y/build/v6.12.46-149-g6281f90c1450 -- Linaro LKFT https://lkft.linaro.org