Hi Gabriel! Sunday 16, at 09:31:17 PM you wrote: > Oliver Joa wrote: > > Hi, > > > > Gabriel C wrote: > > > > [...] > > > >>>> Also have a look at Documentation/ide.txt. > >>> I read this already. Searching for "nodma" in this document gives only > >>> one line: > >>> > >>> "ide=nodma" : disable DMA globally for the IDE subsystem. > >>> > >>> If the documentation is correct hda=nodma and ideX=nodma should not > >>> work. I use kernel 2.6.23.1 at the moment. > >> grep nodma Documentation/ide.txt > >> "hdx=nodma" : disallow DMA > >> > >> ide=foo_option is for the whole ide sub-system where ideX|hdX=foo_option is just for that HDD. > > > > > > /usr/src/linux-2.6.23.1$ grep nodma Documentation/ide.txt > > "ide=nodma" : disable DMA globally for the IDE subsystem. > > > > /usr/src/linux-2.6.21.5$ grep nodma Documentation/ide.txt > > "ide=nodma" : disable DMA globally for the IDE subsystem. > > > > /usr/src/linux-2.6.12# grep nodma Documentation/ide.txt > > "ide=nodma" : disable DMA globally for the IDE subsystem. > > > > Sorry, but I can not find this option, and it does not work. Which > > kernel do you use? > > This is my devel box , running 2.6.24-rc5-git Are you using modular or in-kernel IDE? Modules ignore cmdline options, so you must pass this parameter directly to ide_core (e.g. ide_core options="ide=nodma"). -- WBR et al. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
