The following build warnings / errors are noticed on the powerpc with ppc6xx_defconfig build on the Linux next-20250915 tag.

First seen on next-20250915 Good: next-20250912 Bad: next-20250915

Regression Analysis: - New regression? yes - Reproducibility? yes

* powerpc, build - gcc-13-ppc6xx_defconfig - gcc-8-ppc6xx_defconfig

Build regression: next-20250915: powerpc: ERROR: modpost: "libie_fwlog_init" [drivers/net/ethernet/intel/ixgbe/ixgbe.ko] undefined!

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

## Build log WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/block/swim3.o WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/net/ethernet/freescale/fec_mpc52xx_phy.o ERROR: modpost: "libie_fwlog_init" [drivers/net/ethernet/intel/ixgbe/ixgbe.ko] undefined! ERROR: modpost: "libie_get_fwlog_data" [drivers/net/ethernet/intel/ixgbe/ixgbe.ko] undefined! ERROR: modpost: "libie_fwlog_deinit" [drivers/net/ethernet/intel/ixgbe/ixgbe.ko] undefined! make[3]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1

## Source * Kernel version: 6.17.0-rc6 * Git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git * Git describe: 6.17.0-rc6-next-20250915 * Git commit: c3067c2c38316c3ef013636c93daa285ee6aaa2e * Architectures: powerpc * Toolchains: gcc-13 and gcc-8 * Kconfigs: ppc6xx_defconfig

## Build * Build log: https://qa-reports.linaro.org/api/testruns/29894450/log_file/ * Build details: https://regressions.linaro.org/lkft/linux-next-master/next-20250915/build/gc... * Build plan: https://tuxapi.tuxsuite.com/v1/groups/linaro/projects/lkft/builds/32l4NthnSk... * Build link: https://storage.tuxsuite.com/public/linaro/lkft/builds/32l4NthnSk7ehgpfv9NJa... * Kernel config: https://storage.tuxsuite.com/public/linaro/lkft/builds/32l4NthnSk7ehgpfv9NJa...

-- Linaro LKFT