im running 2.6.20-13 and dma and 32bit IO cannot be enabled on my SATA drives (HDD and DVD). hdparm fails with:
[EMAIL PROTECTED]:~$ sudo hdparm -c1 -d1 /dev/scd0 /dev/scd0: setting 32-bit IO_support flag to 1 HDIO_SET_32BIT failed: Invalid argument setting using_dma to 1 (on) HDIO_SET_DMA failed: Inappropriate ioctl for device IO_support = 0 (default 16-bit) Can hdparm really be used for SATA drives?? I installed sdparm and it looks like this utility is more suited to SATA, but I cannot find out how to enable 32bit IO, and it looks like DMA is already enabled anyway on SATA drives. Anyway, I get: [EMAIL PROTECTED]:~$ sudo hdparm -t /dev/sdb /dev/sdb: Timing buffered disk reads: 126 MB in 3.02 seconds = 41.66 MB/sec [EMAIL PROTECTED]:~$ -- hdparm gives low throughput on Intel SATA systems https://bugs.launchpad.net/bugs/80829 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs