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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-09 15:35:33 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-09 15:35:33 -0400 |
| commit | b2fdd56bfa51d4a1dbc5fe91adb7b82d15e02c00 (patch) | |
| tree | a6a0970b08d06db6c3c4464380deb4a88d841c7c /wiki/open-iov.org/load.php?lang=en&modules=ext.visualEditor.desktopArticleTarget.noscript|filepage|mediawiki.action.view.filepage|skins.vector.styles.legacy&only=styles&skin=vector.css | |
| parent | 8ca727779d41f5de05991b3f9fb1b1ebf0c28db4 (diff) | |
| download | open-iov-b2fdd56bfa51d4a1dbc5fe91adb7b82d15e02c00.tar.gz open-iov-b2fdd56bfa51d4a1dbc5fe91adb7b82d15e02c00.zip | |
vgsp-sema: CE USERD layout-only + deferred FB sweep diag (ISSUE-0002)
r46 evidence: in a second session the CE rank0 layout probe at ring+0x10000
read a transient incoherent pair (-EINVAL) at discovery and the old candidate
list immediately latched the stale registered pool-relative offset (another
rank's previous-session USERD, frozen 1/1), hiding every later GP_PUT. For CE
channels enforce the ring-derived layout block only, retry until it reads
coherent, and never fall back to the registered/neighbour candidates. A
bounded (+3s, +33s) FB sweep logs the live put/get block when the layout
never becomes coherent.
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