Roger Quadros <rogerq@xxxxxx> writes: > Kevin, > > On 05/09/2014 01:15 AM, Kevin Hilman wrote: >> Tony Lindgren <tony@xxxxxxxxxxx> writes: >> >> [...] >> >>> ..but I think I found the cause for recent hangs on panda, just a wild >>> guess based on looking at the recent cpuidle patches after v3.14. >>> >>> Looks like reverting 0b89e9aa2856 (cpuidle: delay enabling interrupts >>> until all coupled CPUs leave idle) makes booting work reliably again >>> on panda. >>> >>> Can you guys confirm, so far no issues here after few boot tests, >>> but it might be too early to tell. >> >> Reverting that makes things a bit more stable, but it still eventually >> fails in the same way. For me it took 8 boots for it to eventually >> fail. >> >> However, if I build with CONFIG_CPU_IDLE=n, it becomes much more stable >> (20+ boots in a row and still going.) >> > > Can you please test with CPU_IDLE enabled but C3 disabled as in below patch? > It worked for me 10/10 boots. Yup, it worked for me too for 10/10 boots in a row. Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html