On Saturday 22 November 2014, Heiko St?bner wrote: > it looks like not all bootloaders like the recently introduced > rk3288-smp-support. Uninitialized CNTVOFF registers of the > architected timer produce rcu stalls on some boards. > > Both Olof and Kevin were affected by this. On Kevin's board > we could simply upgrade u-boot to a version behaving correctly > while Olof's board uses coreboot where no fix for this exists > currently. Also as far as I know Olof's board is the only one > in circulation using coreboot, but it would still be nice to keep > the boot tests working for the time being. > > There exist an alternative approach for solving issues like this > consisting of > - clocksource: arch_timer: Fix code to use physical timers when requested [0] > - clocksource: arch_timer: Allow the device tree to specify uninitialized timer registers [1] > > > So to keep Olof's boottests working, disable the rk3288-smp until this > gets sorted. Interested parties with a working bootloader can of course > always simply re-insert the enable-method to have working smp. > Pulled into next/dt, thanks! Arnd