https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253335
Mark Johnston <ma...@freebsd.org> changed:
What |Removed |Added
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CC| |i...@freebsd.org
--- Comment #10 from Mark Johnston <ma...@freebsd.org> ---
The problem appears to be with this commit:
https://github.com/qemu-bsd-user/qemu-bsd-user/commit/63d5d4f649f44f8e3d9105dec40a354d92a19550
That check is indeed needed. qemu relies on delivery of SIGSEGV to detect
self-modifying code so that it can update its translation cache accordingly.
This will manifest as a page fault, so ksi_trapno is T_PAGEFLT == 0xc on amd64.
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