The fact they may work with a specific option turned off is *not* proof > that they are "fine" - merely that it doesn't trip over the problem. It's > kind of like being told your car's brakes are possibly defective and you > should avoid heavy braking - and your response is to choose a path home > that > doesn't involve any heavy braking and then saying your brakes are "fine". > > It's even more worrisome that people are suggesting "just turn it off" > without being able to point at a reason *why* it needs to be turned off. > > Which gives you more confidence: >
Totally understand your points. However, Xenomai has been in many distribution, like Ubuntu. it is simply a kind of interest to get something to work. I had been an embedded engineer for many years, ( but never dealt with Linux or Linux kernel). There are many Realtime OSes out there, but costs a bomb and for hobbyist like me would not spend money buying it. Having said that, there are a few open realtime patches that make LInux to be realtime, deterministic. To what level, I am going to test it out. That is my intention. If you are interested, please have a look at www.xenomia.org. It has nothing to do with confidence, it is pure experiment, hobby. However, I do appreciate sharing your opinions. When times, I will have the answers. > NVidia's modules won't work on a kernel defined with LOCKDEP enables, we > don't know why, so just turn it off.. > > versus > > NVidia's modules won't work on a LOCKDEP kernel because with that defined, > the locking functions called by the module are redirected to debugging > LOCKDEP > variants that are EXPORT_SYMBOL_GPL. When you try to modprobe it, the _GPL > variants aren't available to the NVidia module due to its licensing, so you > get 'unresolved symbol' errors. This information should be enough for you > to > figure out how to fix your personal copy and make it work (but not to make > that copy redistributable). > > See the difference? > The kernel I work is for Pandaboard. Hence NVidia will not in the picture.
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