BBS: TELESC.NET.BR
Assunto: Re: What is an incompatible magic value?
De: Richard Kettlewell
Data: Mon, 11 May 2026 19:36:40 +0100
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bp@www.zefox.net writes:
> Richard Kettlewell wrote:
>> Your Java Runtime Environment is corrupted.
>
> Any hints how to sort this out? It seems that the corruption
> must be developing somewhere in the executing binaries in
> memory; fresh off the microSD card things work fine....
>
> There've been a few other mysterious developments, lxterminal
> windows vanishing without comment when clicked in the text
> area among them.
There might be more information in the kernel log, readable with:
sudo journalctl -ke
I suspect a hardware issue. The uSD card is a common source of trouble,
they have a bit of a habit of wearing out, though other components can
fail too.
> The boot microSD was set up some time (months) ago and kept
> un-updated after I discovered that updates were not compatible
> with the Owon software. I've got a Pi5 running bookworm that
> _is_ updated and I check occasionaly to see if it works with
> the 'scope. So far, it hasn't.
>
> The Owon software is from
> https://github.com/florentbr/OWON-VDS1022
> This "issue" seems relevant to the problem of later RasPiOS
> versions not working at all:
> https://github.com/florentbr/OWON-VDS1022/issues/109
>
> As an aside, is there a command to ascertain the version of
> kernel and userland software the machine is running? I expected
> some sort of "about this computer" button in the main menu, but
> don't see anything recognizable.
For the kernel:
uname -a
For Debian (including the Pi OS) the current distribution version is
usually captured in /etc/debian_version, although this is very coarse
grained. You can get version information about the installed packages
with:
dpkg -l
--
https://www.greenend.org.uk/rjk/
--- PyGate Linux v1.5.14
* Origin: Dragon's Lair, PyGate NNTP<>Fido Gate (3:633/10)
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