CONFIG_PSTORE_PMSG: Log user space messages

General informations

The Linux kernel configuration item CONFIG_PSTORE_PMSG:

• prompt: Log user space messages
• type: bool
• depends on: CONFIG_PSTORE
• defined in fs/pstore/Kconfig
• found in Linux kernels: 4.0–4.20, 5.0–5.19, 6.0–6.12

Help text

When the option is enabled, pstore will export a character interface /dev/pmsg0 to log user space messages. On reboot data can be retrieved from /sys/fs/pstore/pmsg-ramoops-[ID].

If unsure, say N.

Hardware

LKDDb

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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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