search for: xc_tmem_restore

...possible problem restoring a machine. In xc_domain_restore (xc_domain_restore.c) if it''s not the last checkpoint we set O_NONBLOCK flag (search for fcntl) that we can call pagebuf_get or just load other pages (see following "goto loadpages;" line). Now we could ending up calling xc_tmem_restore/xc_tmem_restore_extra (xc_tmem.c) which call read_extract (xc_private.c) on the same non blocking socket/file but read_extract does not handle EAGAIN/EWOULDBLOCK (both can be returned on non blocking socket depending on file type and Unix/Linux version) leading to a failure. Does this make sense or...