[Re: WAS: linux-rt fails to boot on > 3.12.5.-rt7 ... NOW IS: linux-rt-3.14 boots by reverting patches + nvidia uses __rt_mutex_init [which in 3.14 has been changed to EXPORT_SYMBOL_GPL]] On 14/05/2014 (Wed 03:38) Kimmo Taskinen wrote: > On 25.04.2014 20:39, Paul Gortmaker wrote: > >On 14-04-25 01:23 PM, jordan wrote: > >>On Fri, Apr 25, 2014 at 10:43 AM, Paul Gortmaker > >><paul.gortmaker@xxxxxxxxxxxxx> wrote: > >>>On 14-04-19 10:42 AM, jordan wrote: > >>>>Hey Paul, > >>>> > >>>>>I've got some AMD kit that has just been freed up from winter > >>>>>heating duty - sometime later this week I should be able to try to > >>>>>reproduce what you have seen, and knowing it works w/o the above > >>>>>softirq patch monkeying around should be a good lead on this. > >>>>That would be awesome! IIRC, Sebastian said that he didn't have said > >>>>h/w CPU kicking around to test with, at some point in my original > >>>>thread on this subject... and i just don't have the skill set required > >>>So I stuck the -rt patches onto 3.14.1 last night; made a defconfig > >>>and then enabled RT_FULL in the resulting .config and that booted > >>>right up on a 1090T six core phenom, which kind of surprised me. > >>that surprises me too - maybe 3.14.1 fixed something? ...anyway, I am > >>only home for a short while [lunch] but i will try building 3.14.1-rt > >>when i get home and see what happens / report back. > >I had to drop one ipv6 patch that was now in stable, but otherwise > >it was straight forward to make a 3.14.1-rt > > > >P. > >-- > > > >>>I should be able to dig up an athlon quad and see what it does... > >>worth a look, i suppose. > >> > >>thanks Paul for the update > >> > >>Jordan Johnston > I had not been able to boot my Phenom II X4 910e PC with any of the > latest RT kernels (3.12 after 3.12.5-rt7 or 3.14 or not even the > latest 3.10 versions) until I today disabled AMD C1E from BIOS. An > other way to get it to boot was "acpi=off" as a parameter to kernel > but I need "button". I tried many others "processor.max_cstate=0", > "processor.nocst", etc... > > Without RT patch the "AMD C1E" is not a problem. OK, so I never got back to finding a system that could reproduce this, but it sounds like it is still worthwhile; thanks for the reminder and I'll go see if I can reproduce this on a quad since the six core was OK. P. -- > > Cheers > Kimmo > > >-- > >To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > >the body of a message to majordomo@xxxxxxxxxxxxxxx > >More majordomo info at http://vger.kernel.org/majordomo-info.html > > > -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html