#1151632 linux: config: consider setting DRIVER_DEFERRED_PROBE_TIMEOUT to -1 (arm64 luks laptops)

Package:
src:linux
Source:
src:linux
Submitter:
Agathe Porte
Date:
2026-10-22 13:51:01 UTC
Severity:
normal
#1151632#5
Date:
2026-10-22 13:48:25 UTC
From:
To:
Dear Maintainer,

(self-reporting, I intent to create the necessary PRs in salsa)

arm64 laptops that are using luks encryption need to set the
deferred_probe_timeout=30 command-line option to avoid having a timeout
while typing the LUKS password.

Quoting the commit [1] that introduced DRIVER_DEFERRED_PROBE_TIMEOUT as
a Kconfig option for the justification:

Since this option now allows for distributions to change the default 10s
value to something else, we can now tweak the Debian kernel to have a
more generous timeout (eg. 30s) or even disable the timeout so that
taking time to enter a LUKS decryption key does not lead to driver
timeouts on arm64 laptops.

Thanks,

Agathe.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/base/Kconfig?id=56e3ee721b33bdc4ce0765d370983aa4384f8a59