Problem with libgnutls on bookworm running inside parallels on imac - illegal instruction

Gunnar Stahl gunnar.stahl at gunnarstahl.org
Wed Oct 12 22:39:48 BST 2022


Hello Andreas, hello list,
you people are really amazing!

After an apt update / apt upgrade I saw that a new version of gnutls had been released. And the problem had disappeared, meaning my the commands which initially threw the illegal instruction now work.

On another virtual machine which I hadn’t updated yet and which therefor still had this error I tried the GNUTLS_CPUID_OVERRIDE=0x1, which resulted in the problem disappearing too. Unsetting that switch resulted in the problem being back again.

I tried all the other switches available and each resulted in the problem no longer being there. So this switch turns off the code that threw the initial error.

Anyways, after updating this system the error is gone too.

So in the end, I am truly amazed by how good you guys are. I surely don’t know if the fix for that problem was intentional or just a byproduct, but anyways, thank you!

Yt, Gunnar

> Am 12.10.2022 um 07:39 schrieb Andreas Metzler <ametzler at bebt.de>:
> 
> On 2022-10-11 Gunnar Stahl <gunnar.stahl at gunnarstahl.org> wrote:
>> Hello list,
>> I have a problem with running debian inside parallels on my iMac 2019 (i5 8500, 64gb ram). Debian actually runs fine, but downloading lineageos via the repo command fails and it seems it is due to gnutls.
> [...]
>> I receive the error 'Illegal instruction'.
> [...]
> 
>> Anything I can do here apart from switching to native hardware? Some compiler switches or anything? Any help is appreciated. I’ll happily provide the necessary log files.
> [...]
> 
> Good morning,
> 
> Can you build/compile gnutls 3.7.7 (including testsuite) successfully?
> 
> You could also try different values of GNUTLS_CPUID_OVERRIDE to narrow
> down the error.
> https://www.gnutls.org/manual/html_node/Debugging-and-auditing.html
> 
> cu Andreas
> 




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