It's a known issue that preempt_rt kernel must convert the main timer interrupt handler to no threaded, otherwise kernel can't work well.
Signed-off-by: Liming Wang <[email protected]> --- arch/mips/kernel/i8259.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c index 5c74eb7..fb338db 100644 --- a/arch/mips/kernel/i8259.c +++ b/arch/mips/kernel/i8259.c @@ -295,6 +295,7 @@ static void init_8259A(int auto_eoi) static struct irqaction irq2 = { .handler = no_action, .name = "cascade", + .flags = IRQF_NO_THREAD, }; static struct resource pic1_io_resource = { -- 1.7.0.4 _______________________________________________ yocto mailing list [email protected] https://lists.yoctoproject.org/listinfo/yocto
