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Date:      Fri, 2 Feb 2018 10:47:08 -0800
From:      "K. Macy" <kmacy@freebsd.org>
To:        Daniel Braniss <danny@cs.huji.ac.il>
Cc:        freebsd-stable <freebsd-stable@freebsd.org>
Subject:   Re: panic when loading mlxen
Message-ID:  <CAHM0Q_NnBEdsBOSvXp-0uOVb1z_73k4oZOxTdVBFUJTnPnBj5A@mail.gmail.com>
In-Reply-To: <83F78F7E-4DC2-41F5-837A-CB728D67B1E3@cs.huji.ac.il>
References:  <83F78F7E-4DC2-41F5-837A-CB728D67B1E3@cs.huji.ac.il>

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That's odd since it doesn't use any of taskqgroup stuff. I take it you
can't get a core?

Also, why are you loading it in loader.conf (slower) as opposed to rc.conf?
-M



On Fri, Feb 2, 2018 at 4:46 AM, Daniel Braniss <danny@cs.huji.ac.il> wrote:
> with latest stable (r328769) when I have
>         mlxen_load=3D=E2=80=9CYES=E2=80=9D
> in my loader.conf it panics:
>
> KDB: debugger backends: ddbsize 0x4638 at 0x22d6000                      =
       f
> KDB: current backend: ddb
> Copyright (c) 1992-2018 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
>        The Regents of the University of California. All rights reserved.
> FreeBSD is a registered trademark of The FreeBSD Foundation.
> FreeBSD 11.1-STABLE #18: Fri Feb  2 10:46:12 IST 2018
>    danny@pe-44:/home/obj/pe-44/net/rnd/r+d/stable/11/sys/HUJI amd64
> FreeBSD clang version 5.0.1 (tags/RELEASE_501/final 320880) (based on LLV=
M 5.0.1)
> VT(vga): resolution 640x480
> CPU: Intel(R) Xeon(R) CPU           E5507  @ 2.27GHz (2261.04-MHz K8-clas=
s CPU)
>  Origin=3D"GenuineIntel"  Id=3D0x106a5  Family=3D0x6  Model=3D0x1a  Stepp=
ing=3D5
>  Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,P=
GE,MCA,C>
>  Features2=3D0x9ce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,=
PDCM,DCA>
>  AMD Features=3D0x28100800<SYSCALL,NX,RDTSCP,LM>
>  AMD Features2=3D0x1<LAHF>
>  VT-x: PAT,HLT,MTF,PAUSE,EPT,VPID
>  TSC: P-state invariant, performance statistics
> real memory  =3D 25769803776 (24576 MB)
> avail memory =3D 24931561472 (23776 MB)
> Event timer "LAPIC" quality 100
> ACPI APIC Table: <DELL   PE_SC3  >
> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
> FreeBSD/SMP: 2 package(s) x 4 core(s)
> ioapic1: Changing APIC ID to 1
> ioapic0 <Version 2.0> irqs 0-23 on motherboard
> ioapic1 <Version 2.0> irqs 32-55 on motherboard
>
>
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 0; apic id =3D 10
> fault virtual address   =3D 0x1818
> fault code              =3D supervisor write data, page not present
> instruction pointer     =3D 0x20:0xffffffff80ad427f
> stack pointer           =3D 0x28:0xffffffff822e3be0
> frame pointer           =3D 0x28:0xffffffff822e3c30
> code segment            =3D base 0x0, limit 0xfffff, type 0x1b
>                        =3D DPL 0, pres 1, long 1, def32 0, gran 1
> processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
> current process         =3D 0 (swapper)
> [ thread pid 0 tid 100000 ]
> Stopped at      taskqgroup_attach_cpu+0x4f:     lock cmpxchgq   %r12,(%rd=
i)
> _______________________________________________
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