Checkout this discussion, which maybe of some help to you http://www.uwsg.iu.edu/hypermail/linux/kernel/0304.1/0400.html Cheers --- Michael Honeyfield <mhoneyfield@xxxxxxxxx> wrote: > Hi all. > > I am having some troubles with open() O_DIRECT. > > When trying to write out the contents of a mmap()'ed > IO buffer using > O_DIRECT, I get a "Bad Address" error. This happens > on debian kernels > above 2.6.8 and Fedora Core 4 kernels. Like wise > with vanilla > kernel.org kernels. > > However, with debian's provided 2.6.8 kernel, there > was not such issue. > > Everything works fine if O_DIRECT is not used. The > memery I am workign > with is 512 byte aligned. > > I am unsure and am hoping someone can point me into > the right > direction. I have spent a fair amount of time on > google and review > vendor kernels and kernel.org changelogs, but have > not seen anything > that might help. > > Thanks in advance. > > Michael > > -- > Kernelnewbies: Help each other learn about the Linux > kernel. > Archive: > http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
