Krzysztof Kozlowski wrote: > 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? No, I haven't checked that yet. But normal reboot and poweroff via init works properly. - Tobias > 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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