Similar for me, BUT - it is slow to at all write to device (even not to file system!)
/dev/sda13: Timing cached reads: 1518 MB in 2.00 seconds = 759.03 MB/sec Timing buffered disk reads: 186 MB in 3.02 seconds = 61.64 MB/sec r...@limcore:/mnt# dd if=/dev/zero of=/dev/sda13 297645+0 records in 297645+0 records out 152394240 bytes (152 MB) copied, 23.5958 s, 6.5 MB/s So x10 slower when actually writting data (even to raw device) uname -a Linux limcore 2.6.24-22-generic #1 SMP Mon Nov 24 19:35:06 UTC 2008 x86_64 GNU/Linux hdparm /dev/sda /dev/sda: IO_support = 0 (default) 16-bit) HDIO_GET_UNMASKINTR failed: Inappropriate ioctl for device HDIO_GET_DMA failed: Inappropriate ioctl for device HDIO_GET_KEEPSETTINGS failed: Inappropriate ioctl for device readonly = 0 (off) readahead = 256 (on) geometry = 60801/255/63, sectors = 976773168, start = 0 -- Slow SATA performance https://bugs.launchpad.net/bugs/119730 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
