Mario Olimpio de Menezes wrote: > > Hi, > > We received such a machine and I've installed Debian > testing/unstable on it. > I'm running 2.4.3-pre4 and one problem I was not able to get > solved is for DMA/UltraDMA. > The box has a Maxtor 20GB 7200rpm 5T020H2 model and whenever I > try to set the using_dma flag with hdparm I get an HDPIO_something not > permitted. > Does anyone has a clue about this? How to enable DMA in this HD. > The chipset is i810 with Intel Host Controller (ICH). The kernel > detects it correctly, but nothing else. > I've tried to pass several parameters to kernel at boot with > little success (ide0=dma idebus=66 hda=autotune), that is, the bus speed > was set to 66MHz but DMA and PIO optimization were ignored at all, or at > least not set.
Check your kernel config in /boot and see if CONFIG_BLK_DEV_IDEDMA is set -- LINUX~~nobody owns it~~everybody can use it~~anybody can improve it ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~