Hi. According to my posts on rtai mailing list, grub2 doesn't work with "Low Latency Desktop" option in kernel recompiling, after rtai-patch applied. The realtime kernels freeze after grub2 selection: black screen and blinking cursor. Without rtai patch, kernel recompiling works with Low Latency option.
I've made several tests. If you want, I can send you procedures about. Thanks Paolo Rocca
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