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[Nexthop] [distro] Make PXE IPv6 console generic like IPv4#1359

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nexthop-ai:distro_infra_ipv6_console
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[Nexthop] [distro] Make PXE IPv6 console generic like IPv4#1359
travisb-nexthop wants to merge 1 commit into
facebook:mainfrom
nexthop-ai:distro_infra_ipv6_console

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Pre-submission checklist

  • I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running pip install -r requirements-dev.txt && pre-commit install
  • pre-commit run

Summary

Align the PXE install kernel console parameters in distro_infra/parts/autoexec.ipxe with the image template (image_builder/templates/centos-09.0/config.xml:34):

  • console=ttyS4,57600n8 -> console=ttyS0,57600n8
  • add 8250.nr_uarts=1

The previous ttyS4 value was Minipack3-specific from early development. Later the distro image template was changed to be system-generic by using 8250.ns_uarts=1, but updating the IPv6 PXE trampoline was missed.

Test Plan

Verified console operation when booting over PXE IPv6 on a non-Minipack3 system where the old configurations is not valid.

@travisb-nexthop travisb-nexthop requested a review from a team as a code owner July 2, 2026 20:25
@meta-cla meta-cla Bot added the CLA Signed label Jul 2, 2026
Signed-off-by: Travis Brown <travisb@nexthop.ai>
@travisb-nexthop travisb-nexthop force-pushed the distro_infra_ipv6_console branch from 86acc22 to 843477c Compare July 2, 2026 20:26
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