On 07/15/2016 03:15 PM, Tobias Jakobi wrote: > Hey, > > Krzysztof Kozlowski wrote: >> On 07/15/2016 09:55 AM, Krzysztof Kozlowski wrote: >>>>> Nicolas Dufresne wrote: >>>>>> Le jeudi 14 juillet 2016 à 15:37 -0400, Nicolas Dufresne a écrit : >>>>>>> Hi, >>>>>>> >>>>>>> I'm using the Odroid U2 to test some features implemented in >>>>>>> GStreamer. >>>>>>> The parts I need mostly works in mainline kernel, my main >>>>>>> annoyance >>>>>>> ist >>>>>>> that reboot hangs. >>>>>>> >>>>>>> Is this issue known ? I'm booting from SD card is that matters. >>>>>>> Any >>>>>>> advise would be appreciated. I'm not list member, so please keep >>>>>>> me >>>>>>> in >>>>>>> CC. I'm sharing my .config, in case that is my fault. >>> >>> First of all - use just command "reboot" to restart. It should work. If >>> it doesn't, please let us now. >>> >>> I was able to reproduce your issue - OOPS in emergency restart - also in >>> my configuration (U3 + eMMC + network boot). >>> >>> It is weird... I'll take a look at it. >> >> Actually I did not encounter OOPS of yours. I was able to reproduce a >> failure to reboot on U3. XU3 reboots fine. It might be related to pwrseq... > I'm not sure how much that helps, but I can't reproduce any of this on > my X2 (which is quite closely related to the U2/U3). You mean sysrq reboot works fine? Best regards, Krzysztof > I'm only encountering non-working reboot when applying Marek's latest > IOMMU runpm patchset. > > >> The failure seems to be present for long time, at least since v4.2. I am >> in progress of testing more releases. > At least not for the X2, and I'm booting from a sdcard like Nicolas. > IIRC then pwrseq only plays a role for booting from eMMC. > > >> ext4 backtrace present in your OOPs might be related to improper reboot. >> Even for emergency reboot you should first sync, then remount ro and >> finally reboot (so sysrq: sub). > I currently don't have access to my UART adapater, but I'll try to > reproduce the Oops by issuing a reboot SysRq directly. > > > With best wishes, > Tobias > > >> Best Regards, >> Krzysztof >> > > > -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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