Hi Geert, Thanks for your patch. On 2019-12-09 11:13:27 +0100, Geert Uytterhoeven wrote: > Since commit 0e4a459f56c32d3e ("tracing: Remove unnecessary DEBUG_FS > dependency"), CONFIG_DEBUG_FS is no longer auto-enabled. This breaks > booting Debian 9, as systemd needs debugfs: > > [FAILED] Failed to mount /sys/kernel/debug. > See 'systemctl status sys-kernel-debug.mount' for details. > [DEPEND] Dependency failed for Local File Systems. > ... > You are in emergGive root password for maintenance > (or press Control-D to continue): > > Fix this by enabling CONFIG_DEBUG_FS explicitly. > > See also commit 18977008f44c66bd ("ARM: multi_v7_defconfig: Restore > debugfs support"). > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx> > --- > To be queued as a fix for v5.5. > --- > arch/arm/configs/shmobile_defconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm/configs/shmobile_defconfig b/arch/arm/configs/shmobile_defconfig > index 7f0985e023313b57..64fa849f8bbe0617 100644 > --- a/arch/arm/configs/shmobile_defconfig > +++ b/arch/arm/configs/shmobile_defconfig > @@ -215,4 +215,5 @@ CONFIG_DMA_CMA=y > CONFIG_CMA_SIZE_MBYTES=64 > CONFIG_PRINTK_TIME=y > # CONFIG_ENABLE_MUST_CHECK is not set > +CONFIG_DEBUG_FS=y > CONFIG_DEBUG_KERNEL=y > -- > 2.17.1 > -- Regards, Niklas Söderlund