On Thu, 07 May 2026 00:20:23 +0200, Adriano Vero wrote:

The ibm,configure-kernel-dump RTAS call sites in
rtas_fadump_register(), rtas_fadump_unregister(), and
rtas_fadump_invalidate() polled indefinitely while firmware returned
a busy status. A misbehaving or hung firmware could stall these paths
forever, blocking fadump registration at boot or preventing clean
teardown.

[...]

Applied to powerpc/next.

[1/1] powerpc/fadump: Add timeout to RTAS busy-wait loops
      https://git.kernel.org/powerpc/c/b3580dd1c68cec23d44a39c439e18b4686c13480

cheers