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Subject: Re: 12.0-ALPHA6 dumps with 'Fatal double fault'
From: Michael Tuexen <tuexen@freebsd.org>
In-Reply-To: <b08b106f-b25a-1284-0e18-f186dd6baf4b@gmx.net>
Date: Thu, 20 Sep 2018 16:38:25 +0200
Cc: freebsd-current@FreeBSD.org
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References: <b08b106f-b25a-1284-0e18-f186dd6baf4b@gmx.net>
To: Michael Schmiedgen <schmiedgen@gmx.net>
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> On 20. Sep 2018, at 14:18, Michael Schmiedgen <schmiedgen@gmx.net> =
wrote:
>=20
> Hi List,
>=20
> if compiling ports and configure script checks for SCTP with
>=20
> 'checking whether SCTP is supported...'
>=20
> 12.0-ALPHA6 dumps core with message:
>=20
> Fatal double fault
> rip 0xffffffff80b96297 rsp 0xfffffe00be241bb0 rbp 0xfffffe00be245490
> rax 0x1 rdx 0x3 rbx 0x7fffffffd198
> rcx 0xffffffff80b9620b rsi 0xfffff8029eeb0368 rdi 0x4
> r8 0xfffff801c925c580 r9 0xfffffe00be2456d4 r10 0x4
> r11 0xfffffe00be245b80 r12 0x7fffffffd190 r13 0
> r14 0x1 r15 0x7fffffffd1a8 rflags 0x10293
> cs 0x20 ss 0x28 ds 0x3b es 0x3b fs 0x13 gs 0x1b
> fsbase 0x8002318d0 gsbase 0xffffffff81648a00 kgsbase 0
> cpuid =3D 0; apic id =3D 00
> panic: double fault
> cpuid =3D 0
>=20
> I can provide crash dumps if desired, but without debug information.
Can you elaborate which port was triggering the fault and which platform =
you are using?
I would like to reproduce the issue and fix it.

Best regards
Michael
>=20
> Thanks,
>  Michael
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