CONFIG_OVMF_DEBUG_LOG: Expose OVMF firmware debug log via sysfs

General informations

The Linux kernel configuration item CONFIG_OVMF_DEBUG_LOG:

• prompt: Expose OVMF firmware debug log via sysfs
• type: bool
• depends on: CONFIG_EFI
• defined in drivers/firmware/efi/Kconfig
• found in Linux kernels: 6.17-rc+HEAD

Help text

Recent OVMF versions (edk2-stable202508 + newer) can write their debug log to a memory buffer. This driver exposes the log content via sysfs (/sys/firmware/efi/ovmf_debug_log).

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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