CONFIG_DEBUG_USER: Verbose user fault messages

General informations

The Linux kernel configuration item CONFIG_DEBUG_USER has multiple definitions:

Verbose user fault messages found in arch/arm/Kconfig.debug

The configuration item CONFIG_DEBUG_USER:

• prompt: Verbose user fault messages
• type: bool
• depends on: (none)
• defined in arch/arm/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

When a user program crashes due to an exception, the kernel can print a brief message explaining what the problem was. This is sometimes helpful for debugging but serves no purpose on a production system. Most people should say N here.

In addition, you need to pass user_debug=N on the kernel command line to enable this feature. N consists of the sum of:

1 - undefined instruction events 2 - system calls 4 - invalid data aborts 8 - SIGSEGV faults 16 - SIGBUS faults

Verbose user fault messages found in arch/arm26/Kconfig.debug

The configuration item CONFIG_DEBUG_USER:

• prompt: Verbose user fault messages
• type: bool
• depends on: (none)
• defined in arch/arm26/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.22

Help text

When a user program crashes due to an exception, the kernel can print a brief message explaining what the problem was. This is sometimes helpful for debugging but serves no purpose on a production system. Most people should say N here.

Verbose user fault messages found in arch/arm26/Kconfig

The configuration item CONFIG_DEBUG_USER:

• prompt: Verbose user fault messages
• type: bool
• depends on: (none)
• defined in arch/arm26/Kconfig
• found in Linux kernels: 2.5.71–2.5.75, 2.6.0–2.6.8

Help text

When a user program crashes due to an exception, the kernel can print a brief message explaining what the problem was. This is sometimes helpful for debugging but serves no purpose on a production system. Most people should say N here.

Verbose user fault messages found in arch/arm/Kconfig

The configuration item CONFIG_DEBUG_USER:

• prompt: Verbose user fault messages
• type: bool
• depends on: (none)
• defined in arch/arm/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

When a user program crashes due to an exception, the kernel can print a brief message explaining what the problem was. This is sometimes helpful for debugging but serves no purpose on a production system. Most people should say N here.

In addition, you need to pass user_debug=N on the kernel command line to enable this feature. N consists of the sum of:

1 - undefined instruction events 2 - system calls 4 - invalid data aborts 8 - SIGSEGV faults 16 - SIGBUS faults

Hardware

LKDDb

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• (none)

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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