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gigabyte-ampere-cuttlefish-installer: enable nested virtualization - #2917

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gigabyte-ampere-cuttlefish-installer: enable nested virtualization#2917
dimorinny wants to merge 3 commits into
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  • Pins 6.18 kernel and compatible Nvidia driver.
  • Appends kvm.mode=nested into Kernel command line so server can be booted into VHE+NV2 when possible.

Bug: 537008147

@dimorinny
dimorinny requested review from grandpaul and rmuthiah July 28, 2026 11:19
@dimorinny dimorinny added the kokoro:run Run e2e tests. label Jul 28, 2026
@GoogleCuttlefishTesterBot GoogleCuttlefishTesterBot removed the kokoro:run Run e2e tests. label Jul 28, 2026
@dimorinny dimorinny added the kokoro:run Run e2e tests. label Jul 28, 2026
@GoogleCuttlefishTesterBot GoogleCuttlefishTesterBot removed the kokoro:run Run e2e tests. label Jul 28, 2026
@dimorinny
dimorinny force-pushed the main branch 2 times, most recently from ece37a3 to 886c272 Compare July 29, 2026 18:38

@grandpaul grandpaul left a comment

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Looks good to me.

@rmuthiah
rmuthiah enabled auto-merge July 30, 2026 02:12
@rmuthiah rmuthiah added kokoro:force-run Trigger a presubmit build unconditionally. kokoro:run Run e2e tests. labels Jul 30, 2026
@GoogleCuttlefishTesterBot GoogleCuttlefishTesterBot removed kokoro:run Run e2e tests. kokoro:force-run Trigger a presubmit build unconditionally. labels Jul 30, 2026
@rmuthiah rmuthiah added kokoro:force-run Trigger a presubmit build unconditionally. kokoro:run Run e2e tests. labels Jul 30, 2026
@GoogleCuttlefishTesterBot GoogleCuttlefishTesterBot removed kokoro:run Run e2e tests. kokoro:force-run Trigger a presubmit build unconditionally. labels Jul 30, 2026
@rmuthiah rmuthiah mentioned this pull request Jul 30, 2026
@dimorinny dimorinny added the kokoro:force-run Trigger a presubmit build unconditionally. label Jul 30, 2026
@GoogleCuttlefishTesterBot GoogleCuttlefishTesterBot removed the kokoro:force-run Trigger a presubmit build unconditionally. label Jul 30, 2026
Install kernel 6.18.15-1~bpo13+1 (validated for ARM64 nested
virtualization on AmpereOne) and the matching NVIDIA driver
550.163.01-4~bpo13+1 from a snapshot.debian.org archive snapshot

Bug: 537008147
Signed-off-by: Dmitrii Merkurev <dimorinny@google.com>
Install kernel 6.18.15-1~bpo13+1 and the matching NVIDIA driver
550.163.01-4~bpo13+1 from a snapshot.debian.org archive snapshot,
matching the versions pinned by the preseed installer

The Debian cloud image enables trixie-backports by default, so
the pinned versions are installed unconditionally rather than
gated on backports detection

Bug: 537008147
Signed-off-by: Dmitrii Merkurev <dimorinny@google.com>
Append kvm-arm.mode=nested to GRUB command line so installed
hosts boot with KVM nested virtualization (NV2) enabled if
available

Bug: 537008147
Signed-off-by: Dmitrii Merkurev <dimorinny@google.com>
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4 participants