Kernel instruction fault panic on iPhone

Kernel instruction fault is a kernel panic that makes an iPhone restart on its own, usually leaving a Panic-Full log under Analytics Data. When this error line appears, the first part to check is Software (most likely) / RAM / NAND. Severity is rated medium, and confidence in this diagnosis is likely. Below you will find what the error means and its most common causes; to pin down what is wrong with your phone, scan the log with the Panic Scan app.

Basic information

Code

Kernel instruction fault

Category

Software

Severity

Medium

Confidence

Likely

Part to check

Software (most likely) / RAM / NAND

What it means

The kernel hit an invalid instruction. Usually software; if it repeats after a restore, suspect RAM/NAND.

Common causes

• iOS bug
• Faulty RAM / NAND

Errors in the same category

• SoftwareKernel data abortSoftware (most likely) / RAM / NANDMedium
• SoftwareKernel memory (zone) corruptionSoftware / RAMMedium
• SoftwareStorage fullStorage spaceLow
• SpringBoardSpringBoard watchdog timeoutSoftwareLow
• backboarddbackboardd watchdog timeoutSoftwareMedium
• logdlogd watchdog timeoutSoftwareLow
• configdconfigd watchdog timeoutSoftwareLow
• mobileassetdmobileassetd watchdog timeoutSoftwareLow