[Bug 241728] linuxkpi: panics after loading radeonkms kernel module (data storage interrupt trap)

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Thu Nov 7 09:55:54 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241728

Piotr Kubaj <pkubaj at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |dim at FreeBSD.org

--- Comment #17 from Piotr Kubaj <pkubaj at FreeBSD.org> ---
(In reply to Hans Petter Selasky from comment #16)
After going as far back as to r350000 (only kernel), I was still experiencing
this panic.

As it turns out, it doesn't happen when using ELFv1 environment (which built
with base GCC). It only happens on ELFv2 (built with LLVM).

In the recent weeks there has actually been a major LLVM change - LLVM has been
upgraded to 9.0.0. Since this bug didn't happen with 8.0.1, this must be the
reason.

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