On Mon, Nov 25, 2019 at 9:25 AM Vasily Khoruzhick <anars...@gmail.com> wrote: > > Hey guys, > > Looks like reboot is broken on RockPro64 (RK3399-based) with mainline > u-boot and ATF (ATF already has a fix [1]).
Added Philipp and Simon to CC. Can anyone please help me with this issue? > When I type 'reboot' in linux I get back to u-boot, but subsequent > linux boot hangs in most cases. Sometimes I get this warning: > > [ 62.400363] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: > [ 62.418095] rcu: 4-...!: (3 ticks this GP) > idle=332/1/0x4000000000000000 softirq=23/24 fqs=13 > [ 62.444137] Task dump for CPU 4: > [ 62.453791] kworker/4:1 R running task 0 42 2 > 0x0000002a > [ 62.474907] Workqueue: pm genpd_power_off_work_fn > [ 62.489013] rcu: rcu_sched kthread starved for 5976 jiffies! g-1147 > f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 > [ 62.519205] rcu: RCU grace-period kthread stack dump: > [ 62.534316] rcu_sched R running task 0 10 2 > 0x00000028 > > I already checked that regulators are configured correctly, also I > tried to disable big CPU cluster in linux and re-initializing CPU > voltages in u-boot but unfortunately nothing helps. > > There were other reports on #linux-rockchip at freenode that reboot is broken. > > Any ideas how to debug it or what could be wrong? > > Regards, > Vasily > > [1] https://review.trustedfirmware.org/c/TF-A/trusted-firmware-a/+/2512 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
