PSOD on all builds of ESXi 8.0 prior to 8.0 U3 during operation to recreate the disk group

Products

• VMware vSAN

Issue/Introduction

PSOD on ESXi 8.x during an operation to extend the vSAN cache to recreate the Disk Group.

Prior to the PSOD you may see vmkernel logging similar to :

WARNING: LSOM: LSOM_CapUpdate:368: Throttled: Failed to update disk status for disk <UUID> 
PLOG: DDPDataWriteComplete:6027: DDP DataWrite Failed for <UUID> with status No connection
WARNING: PLOG: PLOGDDPWriteCbFn:1114: Throttled: DDP write failed on device <UUID> :No connection (ssdPerm: no) elevIo 1, txnScopeIdx 1 doDdpCommit yesESC[0m
PLOG: DDP_DoDevIO:1332: DDP_DoDevIO IO 0x43242220a2c0 submission error No connection on device <UUID> 
World: 3151: PRDA 0x420047000000 ss 0x0 ds 0x103 es 0x103 fs 0x103 gs 0x0
World: 3153: TR 0x758 GDT 0x4539801dc888 (0xffff) IDT 0x420011969000 (0xffff)
World: 3155: CR0 0x80010031 CR3 0xc91e5b3000 CR4 0x146768
WARNING: PLOG: DDPCompleteDDPWrite:7929: DDP write failed No connection callback [email protected]#0.0.0.1, diskgroup <UUID>  txnScopeIdx 

Host PSODs with the following backtrace : 

Backtrace for current CPU #XX, worldID=XXXXXXX, fp=0x0
PanicvPanicInt@vmkernel
Panic_vPanic@vmkernel
vmk_PanicWithModuleID@vmkernel
[email protected]
[email protected]
[email protected]
[email protected]
[email protected]
vmkWorldFunc@vmkernel
CpuSched_StartWorld@vmkernel
Debug_IsInitialized@vmkernel
VMware ESXi 8.0.2 [Releasebuild-23305546 x86_64]
Failed at bora/modules/vmkernel/plog/dedup/dedup.c:3646 -- VMK_ASSERT(!tdBatch->inUse

Cause

 

 

 

Resolution

Issue is resolved in ESXi 8.0 U3

Additional Information

Issue is prevalent in all build prior to 8.0 U3