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Re: Panic on CPU 0: FATAL TRAP: vec 7, #NM[0000]
- To: Jan Beulich <jbeulich@xxxxxxxx>, ChrisD <chris@xxxxxxxxxxxx>
- From: Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>
- Date: Wed, 20 Jul 2022 10:02:02 +0000
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- Thread-topic: Panic on CPU 0: FATAL TRAP: vec 7, #NM[0000]
On 20/07/2022 09:19, Jan Beulich wrote:
> On 20.07.2022 06:48, ChrisD wrote:
>> So, you think it's a problem with fc36?
> Well, if that's where the binary came from, then yes.
So
https://kojipkgs.fedoraproject.org//packages/xen/4.16.1/4.fc36/data/logs/x86_64/build.log
is the build log.
For iommu_init.c I don't see anything overly concerning, although the
quantity of nonsense on the gcc cmdline is speaks volumes.
One observation though. We do pass -mno-sse but not -mno-mmx. I still
can't figure out what makes the compiler think there's any SIMD to be
done in this function.
~Andrew
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