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EISNAM
EISNAM: Linux legacy errno
EISNAM (errno 3) reports that an operation expecting an ordinary file encountered a XENIX named-type object. These names come from historical System V/XENIX compatibility interfaces; on modern Linux they usually point to a driver, STREAMS-compatibility layer, or legacy IPC contract rather than a general filesystem error.
Evidence to capture
Record path, inode/file type, mount/filesystem, and failing system call.
Focused test
stat the same path and compare the call against a known regular file on the same filesystem.
Correction
use the object type required by the operation or select the correct path.
Verification
Repeat the original system call and confirm it passes the former EISNAM boundary with the same object identity.
Technical references
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