[lttng-dev] What is DEFINE_LTTNG_UST_SIGBUS_STATE for and other beginner questions

Kienan Stewart kstewart at efficios.com
Thu Oct 5 15:59:06 EDT 2023

Hi Chris,

glad that you got it figured out! I created an issue based on your 
feedback. https://bugs.lttng.org/issues/1393


On 2023-10-05 15:40, Christopher Harvey wrote:
> I got this one figured out. I used strace -fp <pid> -trace=connect on the target app to see why the connect was failing and it turns out there was a mismatch between sessiond's apps-socket paths and libust's.
> time to review my build environment I guess. It's very possible my docker container's path environment variables are non-standard.
> If I had a tiny bit of feedback to provide it would be to print out the errno and paths in the connect/bind commands in the DBG commands. I had to bust out strace to get that info. Small problem, but it could have saved me a few hours and some mailing list messages.
> Thank you for making this nice looking software available for free. Looking forward to playing with it some more.
> -Chris

More information about the lttng-dev mailing list