RTT: CTRL-C triggers "Error during board uninit"

[Rodrigodd]

When exiting pyocd rtt with CTRL-C, it sometimes trigger an error. Annoyingly it prevents STM32_Programmer_CLI from connecting to the board right after, but it works again if I connect pyocd rtt and got CTRL-C to exit cleanly.

> pyocd rtt --target stm32c011f4px
0001233 I Target type is stm32c011f4px [board]
0001335 I DP IDR = 0x0bc11477 (v1 MINDP rev0) [dap]
0001335 I debugvar 'DbgMCU_APB_Fz1' = 0x0 (0) [pack_target]
0001335 I debugvar 'DbgMCU_APB_Fz2' = 0x0 (0) [pack_target]
0001335 I debugvar 'DbgMCU_CR' = 0x6 (6) [pack_target]
0001352 I AHB-AP#0 IDR = 0x04770031 (AHB-AP var3 rev0) [discovery]
0001355 I AHB-AP#0 Class 0x1 ROM table #0 @ 0xf0000000 (designer=020:ST part=466) [rom_table]
0001356 I [0]<e00ff000:ROM class=1 designer=43b:Arm part=4c0> [rom_table]
0001356 I   AHB-AP#0 Class 0x1 ROM table #1 @ 0xe00ff000 (designer=43b:Arm part=4c0) [rom_table]
0001356 I   [0]<e000e000:SCS v6-M class=14 designer=43b:Arm part=008> [rom_table]
0001356 I   [1]<e0001000:DWT v6-M class=14 designer=43b:Arm part=00a> [rom_table]
0001356 I   [2]<e0002000:BPU v6-M class=14 designer=43b:Arm part=00b> [rom_table]
0001356 I CPU core #0: Cortex-M0+ r0p1, v6.0-M architecture [cortex_m]
0001356 I   Extensions: [MPU] [cortex_m]
0001356 I Setting core #0 (Cortex-M0+) default reset sequence to ResetSystem [pack_target]
0001356 I 2 hardware watchpoints [dwt]
0001356 I 4 hardware breakpoints, 0 literal comparators [fpb]
0001404 I 3 up channels and 3 down channels found [rtt_cmd]
0001404 I Reading from up channel 0 ("Terminal") [rtt_cmd]
0001404 I Writing to down channel 0 ("Terminal") [rtt_cmd]
My micro output, which 3 lines every 1 second
and then I press ctrl-c:
0008106 E Error during board uninit: [session]
0009122 E Probe error during disconnect: [session]
0010128 E Probe error during close: [session]

Version Info

> pyocd --version
0.36.0