Messages in this thread | | | Date | Wed, 10 Jan 2018 19:34:19 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: lapic-related boot crash in 4.15-rc1 |
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On Wed, 10 Jan 2018, Meelis Roos wrote: > On 3 of my test computers, boot hangs with 4.15 git kernels. So far I > have traced it down to 4.14.0 being good and 4.15-rc1 being bad (bisect > is slow because the computers are somwehat remote). Also because of > trying to find when it started, I have not tries newer than rc5 > kernels. > > The hang happens after Performance Events feature table has been printed > but before APIC initialization messages normally appear ("Enabling APIC > mode: Flat. Using 0 I/O APICs" or something like that). > > It happens on at least 3 distinct computers: > * AMD Athlon with AMD 750 chipset > * P3 1 GHz with i815 chipset > * P4 1.7 GHz with SiS chipset > > They all have have "lapic" parameter because they were telling me that > lapic has been disabled by BIOS and I re-enabled it with the parameter > to get apic timer interrupts. This worked up until 4.14. > > None of the computers have IO-APICs.
Oh. Then it possibly falls into Dou's realm.
Dou?
Thanks,
tglx
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