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Subject: [Bug 247945] Kernel option KERN_TLS leads to an immediate panic
 while booting on ARM64 (RPi4)
Date: Thu, 23 Jul 2020 15:58:02 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D247945

--- Comment #4 from Mark Johnston <markj@FreeBSD.org> ---
Ah, it does panic if I add all three of RATELIMIT, TCPHPTS and KERN_TLS:

TCP_ratelimit: Is now initialized=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20
panic: Thread already setup for the VFP=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20
cpuid =3D 1=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
time =3D 13=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
KDB: stack backtrace:=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
db_trace_self() at db_fetch_ksymtab+0x158=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20
         pc =3D 0xffff0000007719e8  lr =3D 0xffff0000001094ac
         sp =3D 0xffff00005aa50570  fp =3D 0xffff00005aa50770=20=20

db_fetch_ksymtab() at vpanic+0x194=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20
         pc =3D 0xffff0000001094ac  lr =3D 0xffff00000041bcb0=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
         sp =3D 0xffff00005aa50780  fp =3D 0xffff00005aa507d0=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20

vpanic() at panic+0x44=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
         pc =3D 0xffff00000041bcb0  lr =3D 0xffff00000041ba58=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
         sp =3D 0xffff00005aa507e0  fp =3D 0xffff00005aa50890=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20

panic() at fpu_kern_thread+0x68=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20
         pc =3D 0xffff00000041ba58  lr =3D 0xffff000000792cd8=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
         sp =3D 0xffff00005aa508a0  fp =3D 0xffff00005aa508a0=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20

fpu_kern_thread() at ktls_enqueue+0x47c=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20
         pc =3D 0xffff000000792cd8  lr =3D 0xffff0000004aa980=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
         sp =3D 0xffff00005aa508b0  fp =3D 0xffff00005aa508f0=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20

ktls_enqueue() at fork_exit+0x7c=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20
         pc =3D 0xffff0000004aa980  lr =3D 0xffff0000003d8144
         sp =3D 0xffff00005aa50900  fp =3D 0xffff00005aa50950

fork_exit() at fork_trampoline+0x10=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20
         pc =3D 0xffff0000003d8144  lr =3D 0xffff000000790dc4=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
         sp =3D 0xffff00005aa50960  fp =3D 0x0000000000000000

--=20
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