RE: 12.0-ALPHA6 dumps with 'Fatal double fault'

Yes, I was thinking that myself.

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Sent using a tiny phone keyboard.
Apologies for any typos and autocorrect.
Also, this old phone only supports top post. Apologies.

Cy Schubert
<Cy.Schubert_at_cschubert.com> or <cy_at_freebsd.org>
The need of the many outweighs the greed of the few.
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-----Original Message-----
From: Michael Tuexen
Sent: 20/09/2018 07:41
To: Michael Schmiedgen
Cc: freebsd-current_at_FreeBSD.org
Subject: Re: 12.0-ALPHA6 dumps with 'Fatal double fault'

> On 20. Sep 2018, at 14:18, Michael Schmiedgen <schmiedgen_at_gmx.net> wrote:
> 
> Hi List,
> 
> if compiling ports and configure script checks for SCTP with
> 
> 'checking whether SCTP is supported...'
> 
> 12.0-ALPHA6 dumps core with message:
> 
> 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 = 0; apic id = 00
> panic: double fault
> cpuid = 0
> 
> 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
> 
> Thanks,
>  Michael
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