On Tue, Sep 13, 2016 at 11:22:17AM -0400, Francisco Parada wrote: > Hi all, > > I've tried the suggestions mentioned and also tried booting into an > older version of Ubuntu (14.04.5 instead of my current 16.04.1), which > has an older kernel per a private suggestion, but that too was > unsuccessful. Just wanted to give a quick update that all of the > mentioned workarounds were unfruitful. If you could rebuild kernel and apply this debug patch, I'd like to check what happens. When the cpu is in 100% usage and reshape stalls, please capture the /sys/kernel/debug/tracing/trace output and send to me. Thanks, Shaohua diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 5883ef0..db484ca 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -62,6 +62,9 @@ #include "raid0.h" #include "bitmap.h" +#undef pr_debug +#define pr_debug trace_printk + #define cpu_to_group(cpu) cpu_to_node(cpu) #define ANY_GROUP NUMA_NO_NODE -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
