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Re: Error loading xdp program that worked with bpf_load
(Cross-posting to iovisor-dev)
Seeking input from BPF-llvm developers. How come Clang/LLVM 10+ is
generating incompatible BTF-info in ELF file, and downgrading to LLVM-9
fixes the issue ?
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Seeking input from BPF-llvm developers. How come Clang/LLVM 10+ is
generating incompatible BTF-info in ELF file, and downgrading to LLVM-9
fixes the issue ?
On Wed, 10 Jun 2020 14:50:27 -0700 Elerion <elerion1000@...> wrote:
Never mind, I fixed it by downgrading to Clang 9.
It appears to be an issue with Clang/LLVM 10+
https://github.com/cilium/ebpf/issues/43
On Wed, Jun 10, 2020 at 2:38 PM Toke Høiland-Jørgensen <toke@...> wrote:
Elerion <elerion1000@...> writes:
[69] FUNC xdp_program type_id=68 vlen != 0'vlen != 0' is the error. Not sure why you hit that; what's the output
of 'bpftool btf dump file yourprog.o' ?
-Toke
--
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer
Best regards,
Jesper Dangaard Brouer
MSc.CS, Principal Kernel Engineer at Red Hat
LinkedIn: http://www.linkedin.com/in/brouer