Symptom

Switch crashes with below error messages just after booting into IOS: Exception to IOS Thread: Frame pointer 0x7F1AA4EB5E70, PC = 0x5621D312874D UNIX-EXT-SIGNAL: Segmentation fault(11), Process = Init -Traceback= 1#5ed775885145e8156ef6523ffc92dbb1 :5621CEE88000+42A074D :5621CEE88000+42A1E58 :5621CEE88000+3C02180 iosd_crb_shr_crypto_ic2m_k9:7F1BD43CD000+E3704 iosd_crb_shr_crypto_ic2m_k9:7F1BD43CD000+E3585 :5621CEE88000+334ABAE :5621CEE88000+32BD322 :5621CEE88000+32B9DF1 :5621CEE88000+32B5628 :5621CEE88000+32BC1BC :5621CEE88000+32B2103 :5621CEE88000+32AD820 :5621CEE88000+3231250 :5621CEE88000+32321A8 :5621CEE88000+31CCB01 :5621CEE88000+334EC83 [snip] %PMAN-3-PROCHOLDDOWN: R0/0: The process linux_iosd-image has been helddown (rc 139) %PMAN-0-PROCFAILCRIT: R0/0: pvp: A critical process linux_iosd_image has failed (rc 139) %PMAN-3-RELOAD_SYSTEM: R0/0: pvp: Reloading: Other RP is not standby ready. System will be reloaded %PMAN-3-PROCHOLDDOWN: C1/0: The process iomd has been helddown (rc 139) Chassis 1 reloading, reason - Reload command %PMAN-3-PROCHOLDDOWN: C1/0: The process iomd has been helddown (rc 139) %PMAN-5-EXITACTION: F0/0: pvp: Process manager is exiting: reload fru action requested %PMAN-5-EXITACTION: C1/0: pvp: Process manager is exiting: reload fru action requested %PMAN-5-EXITACTION: R0/0: pvp: Process manager is exiting: Critical process linux_iosd_image fault on rp_0_0 (rc=139) %PMAN-3-PROCESS_NOTIFICATION: R0/0: pvp: System report /crashinfo/system-report_RP_0_-Universal.tar.gz (size: XXXXX KB) generated Initializing Hardware... Initializing Hardware...... System Bootstrap, Version 16.11.1r[FC2], RELEASE SOFTWARE (P) Compiled 03-01-2019 12:33:31.95 by rel Current ROMMON image : Primary Rommon Image Last reset cause:LocalSoft

Conditions

StackWise Virtual is enabled.

Workaround

Remove SVL link and boot a switch without loading configuration by changing configuration register to 0x2142 in ROMMON Rommon 1> confreg 0x2142

Further Problem Description