On Thursday 22 May 2014 04:59 AM, Alex Shi wrote: > On 05/16/2014 09:37 PM, Santosh Shilimkar wrote: >> On Friday 16 May 2014 03:41 AM, Alex Shi wrote: >>> On 05/16/2014 02:36 AM, Santosh Shilimkar wrote: >>>>>>>> yes. >>>>>>>> My board is panda ES. without this revert, it works. >>>>>> >>>>>> Care to specify what linux version you are testing against? >>>>>> >>>>>> Does it hang in idle always immediately on booting? >>>>>> >>>>>> Or does the serial console first hang with sysrq still >>>>>> working (ctrl-a h in minicom for help) with device >>>>>> eventually locking up hard? >>>>>> >>>> I just posted an updated patch Alex on other thread. >>>> Attaching here again for your reference. Please try >>>> it out and see if the you still get a hang. >>> >>> it does not hang this time. >>> >> This is good news and exactly what I expected. >> >>> but I am not sure it can solve my problem, since RCU stall is not easy >>> to reproduce in short time. >>> >> You may want to run the system longer if you can. I suspect the RCU stall >> was also side effect of missing interrupts. > > Sure. it do remove the RCU stall on my panda board. > Thanks for confirming. Tony already send fix upstream so it should show up in next rc mostly -- 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