Maybe → Bug 33393 - After autosave image shows read-error and will be lost on save [Status: RESOLVED FIXED, target:3.6.0, target:3.5.1]
EDIT 2013-02-05
See also → Bug 47148 - image caching / management is utterly shambolic
Status: NEW — Blocks: fdo#46447 · fdo#52226 · fdo#52433 · fdo#54551 · fdo#55312 · fdo#78067