While upgrading 3850 in log were errors:
..
Error: MIO_RST_INT[RST_LINK1]
%IOSXEBOOT-8e30b253627ff1aae4fee6643a923d8a-new_cksum: (rp/0): 4
%IOSXEBOOT-8e30b253627ff1aae4fee6643a923d8a-saved_cksum: (rp/0): 4
%IOSXEBOOT-Tue-###: (rp/0): Mar 30 16:17:52 Universal 2021 PLEASE DO NOT POWER CYCLE ### BOOT LOADER UPGRADING 4
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
%IOSXEBOOT-loader-boot: (rp/0): upgrade failed 4
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
%IOSXEBOOT-loader-boot: (rp/0): upgrade failed 4
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
%IOSXEBOOT-loader-boot: (rp/0): upgrade failed 4
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
%IOSXEBOOT-loader-boot: (rp/0): upgrade failed 4
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
Mar 30 16:18:42.643 R0/0: %PMAN-3-PROCHOLDDOWN: The process fed has been helddown (rc 134)
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
Mar 30 16:18:43.166 R0/0: %PMAN-0-PROCFAILCRIT: A critical process fed has failed (rc 134)
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
Mar 30 16:18:43.573 R0/0: %PMAN-3-RELOAD_RP: Reloading: Switch will be reloaded
Chassis 0 reloading, reason - Non participant detected
Error: MIO_RST_INT[RST_LINK1]
Error: MIO_RST_INT[RST_LINK1]
%IOSXEBOOT-loader-boot: (rp/0): upgrade failed 4
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
Mar 30 16:18:52.829 R0/0: %PMAN-5-EXITACTION: Process manager is exiting: reload fp action requested
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
Mar 30 16:18:58.166 R0/0: %PMAN-5-EXITACTION: Process manager is exiting: rp processes exit with reload switch code
Error: MIO_RST_INT[RST_LINK1]
...
Error: MIO_RST_INT[RST_LINK1]
Mar 30 16:19:08.724 R0/0: %PMAN-3-PROCESS_NOTIFICATION: System report /crashinfo/system-report_local_20210330-161905-Universal.tar.gz (size: 5237 KB) generated
octeon_wdt: WDT device closed unexpectedly. WDT will not stop!
reboot: Restarting system
Now switch is a brick. Anyone know is it possible boot switch somehow? Like from COM port and recovery bootloaer.
