From mboxrd@z Thu Jan 1 00:00:00 1970 From: Darren Williams Date: Tue, 18 Nov 2003 23:35:04 +0000 Subject: DMA config option 2.6.0-test9 Message-Id: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org I am trying to debug a boot problem on an Itanium machine where the hard disk IDE scan times out with a DMA time out error something like: hda: U(DMA) hda: dma_timer_expiry status = Ox61 dma timeout error When I disable 'Generic PCI bus-master DMA support' from the config the following build error is produced: drivers/built-in.o(.text+0x11c542): In function `ide_hwif_setup_dma': : undefined reference to `ide_setup_dma' make: *** [.tmp_vmlinux1] Error 1 Should I be able to disable DMA if I want to (all though not efficient) or should this be a mandatory config option. -------------------------------------------------- Darren Williams Gelato@UNSW --------------------------------------------------