On Fri, 2016-12-30 at 16:17 +0530, Ritesh Raj Sarraf wrote: > Hello Srini, > > On Thu, 2016-12-29 at 23:01 +0530, Ritesh Raj Sarraf wrote: > > > > On Thu, 2016-12-29 at 09:22 -0800, Srinivas Pandruvada wrote: > > > > > > > > > > > If you need more information, please tell me. > > > I tried on couple of systems with the patch. It seems to fix the > > > issue. > > > It is possible some low level power related changes have impacted > > > this. > > > Can you do bisect? I suggest just try 4.9-rc1. I think it will > > > not work > > > there probably. > > Okay. Let me do a bisect on it. I'll ping back on this thread soon. > Since yesterday's attempts, I haven't been able to reproduce the bug > again, so > far. Apart from re-building the kernel, I have also blacklisted the > particular > USB device from power savings (based on your hint). I don't know if > disabling > the power savings for that USB device is the cause for not seeing the > issue, but > so far, the device seems to report data. > > Do you think power savings mode can impact these devices ? I know of > USB plugged > keyboard/mice to generally break, when enabling power savings mode. > But I had > hoped that in-built USB devices were immune to it. > This is possible. If your remove from blacklist does it still work? May be rebuild of kernel fixed this:-) Thanks, Srinivas > Thanks, > Ritesh > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
