> I have been using a Sandy Bridge Yocto 1.3 build for a couple years now, on > off- > the-shelf Intel PC motherboards. I also build an application. > > I am now looking into using more recent motherboards. The OS boots just fine, > but the new NICs (Intel, Realtek) are not supported by the old 3.4.11 kernel. > > What's the best way to support new NICs? I can see three options: > > > 1. New Yocto. I suspect (but would be happy to be wrong) that my > application would need to be built against a different sysroot/toolchain, > which > seems like it would cause backward-compatibility problems (can't run new > application on old OS), and I would prefer to not have multiple builds of the > application and have to have the host software determine which version is > needed (it's an embedded application, and the OS is headless).
I was wrong (happily): My application (built with the 1.3 toolchain) works with Yocto 1.8. I did keep the same BSP (sugarbay), which may be the key. > 2. New kernel, old Yocto. I don't know that this is actually an > option, or how > new of a kernel can be used in Yocto 1.3. If this is an option, it seems > like my > application would not need to be rebuilt. > > 3. Loadable drivers for new NICs (rather than using the ones built into > the > kernel). I don't know that this is doable either. > > Are there other options? Can a new application be built that will work with > multiple versions of the OS? Is that even a problem, or am I just assuming > the > worst? > > Thanks! > Dave -- _______________________________________________ yocto mailing list yocto@yoctoproject.org https://lists.yoctoproject.org/listinfo/yocto
