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IP Office 500v2 Crashing with TLB Data Load Error 2

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malte

Programmer
Sep 7, 2022
22
DE
Hey,

customers IPO is crashing/cold rebooting randomly.

Is somebody knowing what could be wrong? Hardware? Software? Config?

PRN: ALARM: 21/04/2023 12:01:38 IP 500 V2 11.1.2.2.0 build 20 <TLB Data Load Error> CRIT RAISED addr=00000199 d=5 pc=f048e3cc f048e3bc f04bb894 f027133c f0343fa8 f0265b34
PRN: ALARM: 25/04/2023 18:02:29 IP 500 V2 11.1.2.2.0 build 20 <TLB Data Load Error> CRIT RAISED addr=00000199 d=5 pc=f048e3cc f048e3bc f04bb894 f027133c f0343fa8 f0265b34

Certifications: ACIS and ACSS
Location: Leipzig, Germany
 
nobody knows what these TLB errors are or what causes them. Even Avaya has given up on trying to have their developers to look at them

Usually I go through the config and make sure that there are no errors, no duplicates and all passwords are set correctly as well as deleting all that is not needed on Users and extensions.


Joe
FHandw, ACSS, ACIS

"Dew knot truss yore Spell Cheque
 
My short answer is to please upgrade to 11.1.2.4.0_Build_18.

My long answer is a bit of a guess. The Translation Lookaside Buffer is a cache that's used to speed up transactions in RAM. Back when I used to program System-On-A-Chip stuff, we called it a CAM. There's a bit about it on Wikipedia for you eggheads out there. Anyway, So a "Data Load Error" is a bad fetch and basically a memory management issue. There's a tiny chance that your particular config has somehow created a bad memory walk, but that's a super stretch. It's broken coding.

That said, a bus error could generate a TLB Fetch error and thus a crash, too. In that case, hardware--a single chip probably--is to blame. The bottom line is that I would load the latest build within the release before swapping boxes.

Tim Alberstein
 
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