uname: `uname -a` omits the GNU/Linux operating-system field

[matt-dz]

Summary

rshell and the oracle produced different uname uname -a results.

Command

uname -a

Reduced command shape: uname -a

Expected (oracle)

Exit code: 0

stdout:

Linux pshim-control-plane 6.17.0-1016-gcp #17~24.04.1-Ubuntu SMP Fri May  8 07:28:18 UTC 2026 aarch64 GNU/Linux

stderr:

(empty)

Actual (rshell)

Exit code: 0

stdout:

Linux pshim-control-plane 6.17.0-1016-gcp #17~24.04.1-Ubuntu SMP Fri May  8 07:28:18 UTC 2026 aarch64

stderr:

(empty)

Why This Matters

The QA run observed this command shape in 44 invocations across 44 scenarios.

QA provenance

• QA run id: run-20260603t182134z-uname
• Target builtin: uname
• Rshell commit/version: unknown
• Example invocation: inv-20260603T183230.278225681Z-855a081a
• Observed invocations: 44
• Scenario count: 44
• Differing dimension: stdout
• Behavior cluster: uname-unexpected-stdout:uname -a

[matt-dz]

QA triage correction: retitled from the generic differs from oracle wording to name the actual behavior: uname -a omits the trailing GNU/Linux operating-system field.