Hi caveman, you should really train your search skills :-P
(1) Just searching for "libbpf" and then for "bpf BTF" gives plenty webpages and links. In short: BPF: Berkeley packet filter, e.g.: https://en.wikipedia.org/wiki/Berkeley_Packet_Filter libbpf: a library to use it, e.g.: https://github.com/libbpf/libbpf BPF Type Format (BTF) https://www.kernel.org/doc/html/v5.9/bpf/btf.html (2) "urxvt text blink ANSI": https://bbs.archlinux.org/viewtopic.php?id=150531 Kind regards, Nils Am Samstag, den 10.07.2021 um 12:44:15 Uhr +0000 schrieb caveman رَجُلُ الْكَهْفِ 穴居人 <toraboracave...@protonmail.com>: > i have 2 odd isuses that i observe: > > (1) i get this error when i reboot my kernel: > > > libbpf: failed to find valid kernel BTF > > libbpf: error loading vmlinux BTF: -3 > > libbpf: failed to load object 'iterators_bpf' > > libbpf: failed to load BPF skeleton 'iterators_bpf': -3 > > Failed load could be due to wrong endianness > > (2) plus all white texts are blinking in my > urxvt/fish terminal > > any idea what are these things? never heard of > BTF. never seen terminals blink like this. > what's going on? > > ty, > cm. >