[smartmontools-support] Exception: json.cpp(39): Assertion failed: 'a' <= c && c <= 'z'

Christian Franke Christian.Franke at t-online.de
Fri Aug 8 17:48:23 CEST 2025


Hi,

Adrian Sevcenco wrote:
> Hi! On an Alma9 with smartmontools-7.2-9.el9.x86_64 that have this info:
>
> ...
> i encountered the following exception:
> Smartctl: Exception: json.cpp(39): Assertion failed: 'a' <= c && c <= 'z'
> Please inform smartmontools-support at listi.jpberlin.de, including 
> output of smartctl -V.
>
> full output is:
> [root at fst16 ~]# smartctl -x /dev/sds
> smartctl 7.2 2020-12-30 r5155 
> [x86_64-linux-6.14.6-1.el9.elrepo.x86_64] (local build)
> ...
> Smartctl: Exception: json.cpp(39): Assertion failed: 'a' <= c && c <= 'z'
> Please inform smartmontools-support at listi.jpberlin.de, including 
> output of smartctl -V.
>

This is fixed since smartctl 7.4 released two years ago.

-- 
Thanks,
Christian



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