help3002

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help3002

This forum is provided to promote discussion amongst students enrolled in CITS3002 Computer Networks.

Please consider offering answers and suggestions to help other students! And if you fix a problem by following a suggestion here, it would be great if other interested students could see a short "Great, fixed it!" followup message. How do I ask a good question?

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UWA week 13 (1st semester, week 5) ↓

cnet installation Segmentation Fault WLS2 (all 4)

5:21am Mon 25th Mar, Christopher M.

ANONYMOUS wrote:

> I'm getting a segmentation fault when trying to run cnet on WSL2 ([1] 8874 segmentation fault /usr/local/bin/cnet). I've followed all the instructions with updating WSL and installing cnet, so unsure where the issue resides. Has anyone managed to resolve this error?

A few other students have reported the same problem: [help3002]⬈ but it's proving very difficult to pin-down. There's been no reported problems on a native-Linux installation, only when running the (same) binary within WSL-2. T appears to be a problem with individual students' laptop installations. I've sat with a few students and their laptops - some 'just magically' got it to work by reviewing the installation instructions, but others had no success (and started working with another student in the lab session). I've built a new binary which just annotates where it's up to in its execution. Download and make executable the modified binary: [CITS3002]⬈ Now (hopefully) if you just run d1-cnet-Linux-x86_64 STOPANDWAIT it should just crash as it was before. Now enable some additional debugging compiled into this binary with: D1=y d1-cnet-Linux-x86_64 STOPANDWAIT and it should list many of the functions that it calls to initialise itself and parse your topology file. Please post a copy of this output.