# Invalid PMBUS PEC Error plus other issues

**URL:** <https://discuss.saleae.com/t/invalid-pmbus-pec-error-plus-other-issues/2694>\
**Category:** Uncategorized\
**Created:** [January 26, 2024, 5:00pm UTC](https://discuss.saleae.com/t/invalid-pmbus-pec-error-plus-other-issues/2694 "2024-01-26T17:00:59Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![timreyes](https://yyz2.discourse-cdn.com/flex030/user_avatar/discuss.saleae.com/timreyes/32/108_2.png) [@timreyes](https://discuss.saleae.com/u/timreyes)\
**Post date:** [January 29, 2024, 10:11pm UTC](https://discuss.saleae.com/t/invalid-pmbus-pec-error-plus-other-issues/2694/4 "2024-01-29T22:11:03Z")

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@kenjustken42 Sorry about this! This looks like a known bug with our SMBus analyzer, and we’re planning on implementing a fix in the next official release of our software.

Having said that, you can implement the fix in the current version of the software by following the steps we’ve highlighted below.

> [@Data difference in .csv files](https://discuss.saleae.com/t/data-difference-in-csv-files/2406/16):
>
> Thanks everyone for the details. This looks like a bug in the SMBus analyzer. I was able to modify the simulated data generator temporarily to reproduce what seems like the same issue, and then implement a fix: [Fix invalid results when running in real-time. by Marcus10110 · Pull Request #3 · saleae/smbus-analyzer · GitHub](https://github.com/saleae/smbus-analyzer/pull/3) However, I don’t have a really good way to test this here. Ideally, if @smarty8 or @wgoebel happens to still be working on SMBus recordings, it would be great if you could t…

Hopefully that works out for you in the short term, at least until we officially implement the fix.

To address the 2nd issue - the first transaction seems to be getting decoded. Could this be an artifact of the above mentioned bug? (i.e. issue appears after real-time decoding, but saving/re-opening the capture file causes the first transaction to be decoded properly).

Thanks for the the heads up on your 3rd point as well. Feel free to get that posted in the Issues section of our SMBus GitHub repository below, and/or our feature requests site so that we can properly log your feedback. I can do so as well on your behalf if you prefer!

- [Issues · saleae/smbus-analyzer · GitHub](https://github.com/saleae/smbus-analyzer/issues)
- [Logic 2 - Ideas and Feature Requests - Saleae](https://ideas.saleae.com/b/feature-requests/)

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