ERROR::PASS5(7stap)

💅 ERROR::PASS5 (7stap) 💅

okay bestie, welcome to the 7stap girlies' corner 💖 this one's all about warning::pass5 — the systemtap pass-5 warnings, aka the "it compiled, it ran, and now the universe has opinions" era of your stap journey. no cap, pass 5 is where the drama happens.

✨ DESCRIPTION ✨

so like, warnings that show up during pass 5 (that's execution, the main character moment) can come from a whole bunch of different places. it's giving "many causes, one vibe" 🦋

🎀 probe insertion errors

with any of the systemtap runtimes, it's lowkey possible that the backends just... can't insert the probe points your script asked for. rude, honestly. for example, you might see errors like:

WARNING: probe [...] registration error (rc -524)

and before you panic — 524 is a kernel error code for ENOTSUPP. 🙈

these situations are completely out of systemtap's control, and they result in some probes not receiving any hits. not me crying over silent probes 😭 it can be caused by temporary resource constraints, or by permanent problems. one common permanent problem is a probe point being placed at instructions that the runtime (kernel kprobes, uprobes or dyninst) literally cannot decode or intercept. the vibes are not immaculate.

a possible workaround? move the probe points slightly in the script 🫶 so you're targeting a nearby statement, or a caller, or a callee. nudge nudge, slay. see also error::dwarf(7stap).

🔍 GATHERING MORE INFORMATION 🔍

want the tea? turning up the verbosity of pass-5 with an option like --vp 00001 can help pinpoint the problem. it's giving detective energy 🔥

👑 SEE ALSO 👑

• stap(1)
• http://sourceware.org/systemtap/wiki/TipExhaustedResourceErrors
• error::pass5(7stap)
• error::reporting(7stap)
• error::dwarf(7stap)

gentle reminder bestie: pass-5 warnings are not your fault, they're just the kernel being a little extra sometimes. go read the SEE ALSOs, hydrate, and re-aim those probes. 💜

and that's the page!! this was ERROR::PASS5(7stap) — the error::pass5 manual page in the 7stap section, brought to you with love, flair, and zero lost details ✨🎀 stay iconic, stan systemtap, periodt 💅🌸