On Mon, 27 Apr 2020 15:10:00 +0200 Rasmus Villemoes <rasmus.villemoes@xxxxxxxxx> wrote: > However, building with their rescue initrd and booting that, the board > would consistently hang during reboot. Sometimes I would get lines like > > [ 72.956630] sched: RT throttling activated > [ 72.973769] lanx: port 1(lan1) entered disabled state > [ 73.000401] lanx: port 2(lan2) entered disabled state > [ 73.974951] lanx: port 3(lan3) entered disabled state > [ 73.997473] lanx: port 4(lan4) entered disabled state > [ 74.968006] lanx: port 5(lan5) entered disabled state > > other times there would be no output, but the board was still hanging. > Reverting > > b1a471ec4df1 - hrtimer: Prevent using hrtimer_grab_expiry_lock() on > migration_base > 40aae5708e7a - hrtimer: Add a missing bracket and hide `migration_base' > on !SMP > > on top of v4.19.94-rt39 makes that problem go away, i.e. the board > reboots as expected. > > The board is a 32 bit powerpc (mpc8309) !SMP. Any ideas what I can do to > debug this further? Thanks Rasmus for looking into this. Tom now maintains 4.19-rt. Tom, care to pull in these patches on top of 4.19-rt? -- Steve
