Clarify the harness host/guest glibc note

The constraint is the glibc symbol versions a build requires, not simply
host newer than guest; the current bundle needs at most GLIBC_2.39.
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Herbert Wolverson committed 2026-09-23 13:45:59 -05:00
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commit 13bf747c8c
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@@ -37,8 +37,9 @@ version, and SHA-256 together when changing an image. Debian publishes SHA-512
digests in `SHA512SUMS`, so the Debian image pins a SHA-512 value instead.
The harness builds the LibreQoS runtime bundle on the host and copies it into
the guest. Keep the host glibc at or below the guest's: a host newer than the
guest produces a bundle the guest cannot start.
the guest. The host must produce binaries whose glibc symbol versions the guest
provides; a host far newer than the guest can produce a bundle the guest cannot
start.
## Run