I can confirm this bug with current karmic kernel: 2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 17:01:44 UTC 2009 x86_64 GNU/Linux
Steps to reproduce: Download same file with 2 sources in parallel. I took Opera, and wget. wget http://ubuntu.intergenia.de/releases/karmic/ubuntu-9.10-desktop-i386.iso Opera saved to http://ubuntu.intergenia.de/releases/karmic/ubuntu-9.10-desktop-i386.iso-opera Results: rol...@pdbxe100:~$ md5sum ubuntu-9.10-desktop-i386.iso 8790491bfa9d00f283ed9dd2d77b3906 ubuntu-9.10-desktop-i386.iso rol...@pdbxe100:~$ md5sum ubuntu-9.10-desktop-i386.iso-opera 3f979c279665cc7d6ead2c11b1060188 ubuntu-9.10-desktop-i386.iso-opera rol...@pdbxe100:~$ ls -l ubuntu-9.10-desktop-i386.iso* -rw-r--r-- 1 roland roland 723488768 2009-10-28 22:14 ubuntu-9.10-desktop-i386.iso -rw-r--r-- 1 roland roland 723488768 2010-01-28 15:35 ubuntu-9.10-desktop-i386.iso-opera rol...@pdbxe100:~$ Using cmp I found that there were NO differences?! rol...@pdbxe100:~$ cmp ubuntu-9.10-desktop-i386.iso ubuntu-9.10-desktop-i386.iso-opera I wondered, and compared again via md5sum: rol...@pdbxe100:~$ md5sum ubuntu-9.10-desktop-i386.iso 8790491bfa9d00f283ed9dd2d77b3906 ubuntu-9.10-desktop-i386.iso rol...@pdbxe100:~$ md5sum ubuntu-9.10-desktop-i386.iso-opera 8790491bfa9d00f283ed9dd2d77b3906 ubuntu-9.10-desktop-i386.iso-opera rol...@pdbxe100:~$ So after accessing the files a second time, they seemed to have synced, flushed after delay .. or whatever. This are my ext4 flags: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize I created the filesystem manually via mkfs.ext4 /dev/sda4. -- in-place corruption of large files *without fsck or reboot* reported with linux 2.6.31-14.46 on ext4 https://bugs.launchpad.net/bugs/453579 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
