iPhone panic mbuf_watchdog: 2 waiters stuck: NAND bad sectors (mbuf 2 waiters)
Panic codes: mbuf_watchdog: 2 waiters stuck
How to fix it
The hard disk (NAND) has bad sectors.
1. Check the hard disk (NAND) and its circuit.
2. Restore with iTunes / 3uTools. If the restore fails or the panic comes back, the NAND or its soldering is faulty.
By Hasan Patel, iPhone Fixer. Check your own panic