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possibly tmpfs bug

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	possibly tmpfs bug by Wojciech Puchar-5 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message repeatable put something on tmpfs filesystem, then download it to other machine using ftp (server is ftpd on first machine). no errors, download is fine, but you get rubbish - simply data from wrong places in memory. using rcp works. most probably ftpd uses sendfile, while rcp does not _______________________________________________ freebsd-hackers@... mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@..."
	possibly tmpfs bug - part 2 by Wojciech Puchar-5 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message works even over localhost [wojtek@wojtek /tmp]$ cp /bin/sh . [wojtek@wojtek /tmp]$ ftp localhost Trying ::1... Connected to localhost. 220 wojtek.tensor.gdynia.pl FTP server (Version 6.00LS) ready. Name (localhost:wojtek): 331 Password required for wojtek. Password: 230 User wojtek logged in. Remote system type is UNIX. Using binary mode to transfer files. ftp> get sh sh2 local: sh2 remote: sh 229 Entering Extended Passive Mode (\|\|\|59220\|) 550 sh: No such file or directory. ftp> cd /tmp 250 CWD command successful. ftp> get sh sh2 local: sh2 remote: sh 229 Entering Extended Passive Mode (\|\|\|63477\|) 150 Opening BINARY mode data connection for 'sh' (114688 bytes). 100% \|***********************************************************\| 112 KB 56.87 MB/s 00:00 ETA 226 Transfer complete. 114688 bytes received in 00:00 (51.91 MB/s) ftp> ^D 221 Goodbye. [wojtek@wojtek /tmp]$ cmp sh sh2 sh sh2 differ: char 1, line 1 _______________________________________________ freebsd-hackers@... mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@..."
	Re: possibly tmpfs bug by Mikolaj Golub-2 :: Rate this Message: Reply to Author \| View Threaded \| Show Only this Message On Fri, 3 Jul 2009 16:07:56 +0200 (CEST) Wojciech Puchar wrote: WP> repeatable WP> put something on tmpfs filesystem, then download it to other machine WP> using ftp (server is ftpd on first machine). no errors, download is WP> fine, but you get rubbish - simply data from wrong places in memory. WP> using rcp works. most probably ftpd uses sendfile, while rcp does not Yes, this is sendfile problem. It has been reported. http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/127213 -- Mikolaj Golub _______________________________________________ freebsd-hackers@... mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@..."