"Timo Sigurdsson" <public_timo.s@xxxxxxxxxxxxxx> writes: > Kevin Hilman schrieb am 24.09.2015 19:57: >> kernelci.org started finding boot faiulres[1] on bananapi linux-next >> around next-20150918, but it was only failing in some labs and not >> others. I finally bisected it down to this patch, which landed in >> linux-next in the form of 2d665a8a8350 ARM: dts: sunxi: Add regulators >> for LeMaker BananaPi. Reverting that commit on top of next-20150923 >> gets my bananapi booting again. >> >> Note it's kind of an interesting boot failure. The kernel boots fully >> to a shell, but panics after running a few commands. In particular >> 'dmesg -n1' seems to trigger it usually[2]. >> >> Kevin >> >> [1] >> http://kernelci.org/boot/sun7i-a20-bananapi/job/next/kernel/next-20150923/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=5602504359b514be146c326f >> [2] >> http://storage.kernelci.org/next/next-20150923/arm-multi_v7_defconfig/lab-khilman/boot-sun7i-a20-bananapi.html > > following up on my last email: I'm back from my vacation and I tried to > reproduce your problem, but my board doesn't seem to be affected, so I > cannot trigger it. > > I still think that the lower voltages may be the cause of your problem > with that specific board, so could you please test the attached patch on > top of my patch that you first experienced the problem with? Please let > us know whether this solves your issue or whether we need to dig deeper. Thanks for the patch. Looks like it's the OPPs. I went back to next-20150923 and verified it still fails. Then, I applied your patch and saw that it boots just fine. Kevin -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
