FYI, we noticed the below changes on https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git char-misc-testing commit bd2f348db5033b88b8b81caf58e7bdabf0b6961d ("goldfish: refactor goldfish platform configs") [ 3.877696] microcode: Microcode Update Driver: v2.01 , Peter Oruba [ 3.884624] hctosys: unable to open rtc device (rtc0) [ 3.884624] hctosys: unable to open rtc device (rtc0) [ 3.887390] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus) [ 3.887390] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus) [ 3.890264] Freeing unused kernel memory: 424K (b8065000 - b80cf000) [ 3.890264] Freeing unused kernel memory: 424K (b8065000 - b80cf000) [ 3.943140] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus) [ 3.943140] genirq: Flags mismatch irq 4. 00000000 (serial) vs. 00000080 (goldfish_pdev_bus) [ 3.949727] kmodloader (81) used greatest stack depth: 6656 bytes left [ 3.949727] kmodloader (81) used greatest stack depth: 6656 bytes left [ 3.965804] random: mktemp urandom read with 18 bits of entropy available Thanks, Kernel Test Robot