hdd not accepting dma mode

[Vladimir Kosovac]

Thanks guys.

That seems too much work for the client - they are happy to go with FC4
instead.

V

On 1/7/06, Tom Callahan <callahant at tessco.com> wrote:
>
> I would ensure that the correct IDE modules are being loaded. If not,
> you may want to load those correct modules, and then retry.
>
> If using the incorrect IDE modules, hdparm settings won't apply, as you
> are seeing.
>
> Thanks,
>
> Tom Callahan
> TESSCO Technologies
> (443)-506-6216
> callahant at tessco.com
>
> A real engineer only resorts to documentation when the keyboard dents on
> the forehead get too noticeable.
>
>
>
> Vladimir Kosovac wrote:
>
> >Hi all. Just installed RHEL 4 ES (update 2) on a laptop that used to run
> FC4
> >and FC5 rawhide really nice. With Enterprise however, hda won't turn on
> DMA
> >mode and reads are extremelly slow:
> >_________________________________________________________
> >hdparm -T /dev/hda
> >
> >/dev/hda:
> > Timing cached reads:   1888 MB in  2.00 seconds = 942.26 MB/sec
>
> >----------------------------------------------------------------------------------------------------
> >hdparm -t /dev/hda
> >
> >/dev/hda:
> > Timing buffered disk reads:    4 MB in  3.81 seconds =   1.05 MB/sec
> >(!!!!!!!!)
>
> >------------------------------------------------------------------------------------------------------------------
> >
> >If I try
> >
> >hdparm -d1 /dev/hda
> >
> >I get the following error:
> >
> >/dev/hda:
> > setting using_dma to 1 (on)
> > HDIO_SET_DMA failed: Operation not permitted
> > using_dma    =  0 (off)
> >
> >I've done a bit of Googling and searched bugzilla but haven't found
> anything
> >useful. Can someone point me in the rigth direction? Below is info that
> may
> >help:
> >
> >OS: 2.6.9-22.0.1.EL (32 bit) (up-to-date)
> >CPU: AMD Turion(tm) 64
> >IDE: 00:14.1 IDE interface: ATI Technologies Inc Standard Dual Channel
> PCI
> >IDE Controller ATI
> >HDD: /dev/hda:
> > multcount    = 16 (on)
> > IO_support   =  0 (default 16-bit)
> > unmaskirq    =  0 (off)
> > using_dma    =  0 (off)
> > keepsettings =  0 (off)
> > readonly     =  0 (off)
> > readahead    = 256 (on)
> > geometry     = 65535/16/63, sectors = 60011642880, start = 0
> >
> > Model=TOSHIBA MK6025GAS, FwRev=KA201A, SerialNo=85GY4091S
> > Config={ Fixed } ===> /* This is a bit of a worry */
> > RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=48
> > BuffType=unknown, BuffSize=0kB, MaxMultSect=16, MultSect=16
> > CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=117210240
> > IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
> > PIO modes:  pio0 pio1 pio2 pio3 pio4
> > DMA modes:  sdma0 sdma1 sdma2 mdma0 mdma1 mdma2
> > UDMA modes: udma0 udma1 udma2 udma3 udma4 *udma5
> > AdvancedPM=yes: unknown setting WriteCache=enabled
> > Drive conforms to: device does not report version: ===> /* This too */
> > * signifies the current active mode
> >================================================================
> >Appologies for a novel in place of an email.
> >
> >Cheers, V
> >
> >
>
> --
> redhat-list mailing list
> unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/redhat-list
>