08:46:37.125 [err] [fps] 4.0 (12 frames in 3.0s) 08:46:40.225 [err] [fps] 1.0 (3 frames in 3.1s) 08:46:41.224 FIRM | * ASSERTION FAILED: ASSERTN 08:46:41.443 [err] DEBUG post-reset: halted=0 stopped=1 R13=0x20002170 R15=0x080001b4 thumb=1 08:46:42.123 [err] clktree_recalc_output_freq: Clock PCLK1 output frequency (32000000 Hz) exceeds max frequency (30000000 Hz).

found an assertion just by clicking up/down. doesn't seem too stable.

Yeah that happens when trying to go up into the timeline.