Cisco: Kernel panic caused by RCU stall while accessing flash file system

An MDS Supervisor-4 module resets while accessing a flash file system.
The show system reset-reason shows the reason as a kernel panic:

Reason: Kernel Panic

The show system internal kenel nvram-messages previous command has the following messages: 1.A warning for "d_shrink_del" 2. "rcu_sched self-detected stall" type of signature line and "t=" value is 2100 or greater (the CPU number and PID are not relevant)

[850772.912879 <3>] WARNING: CPU: 3 PID: 11665 at ... d_shrink_del+0x30/0x73()
...
[850793.913314 <3>] INFO: rcu_sched self-detected stall on CPU { 3}  (t=2101 jiffies g=12138660 c=12138659 q=39875)
...
[850793.917818 <3>] Kernel panic - not syncing: RCU self stall taking too long

Cisco bug CSCwj03301
This issue may apply only to Cisco MDS NX-OS releases earlier than release 9.4(1).
This issue may apply only to Cisco MDS Supervisor-4 platforms.

Fix:
Upgrade to NX-OS code 9.4.1 or higher