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Troubleshooting
Zifei Tong edited this page Mar 26, 2014
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A failed looking up symbol error may result from a missing libc symbol.
You can use the script scripts/check-libcfunc-avail.sh to list the required libc functions for your project.
You can add the needed function to OSv yourself, or post your error message to the osv-dev mailing list.
[https://github.com/cloudius-systems/osv/commit/00a2284f1c1bdfc9fb02158cbc509a75b8a47c51](libc: Add alphasort() function)
- Symptom: make fail with no clear output
>make
ANT tests/bench
make: *** [all] Error 1- How to diagnose: run verbose make
make V=1- Problem: JAVA_HOME was set to the wrong directory
- Solution: set JAVA_HOME
- Symptom: OSV do not get to the shell, while starting with -n
./scripts/run.py -n -v- How to diagnose:
- Adding -V to the arguments to start in verbose mode. This showed that OSv got stuck on sending DHCP requests.
- Using tcpdump to capture the packets. "tcpdump -i tap0", where tap0 is the name of the interface on virbr0 (I found it using "brctl show virbr0"). This showed that the DHCP requests were going out properly.
- Testing if "libvirtd" daemon is running ("ps aux | grep libvirtd"). In my case, it wasn't running because my system didn't have it installed. Hope this helps.
- problem: libvirtd was not running
- Followups:
- Explicitly validate libvirtd is available, and return meaningful output in case it does not.
- Return return meaningful output if DHCP fail #235