Date: Sat, 3 Feb 2018 09:34:44 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: "K. Macy" <kmacy@freebsd.org> Cc: freebsd-stable <freebsd-stable@freebsd.org>, Hans Petter Selasky <hps@selasky.org> Subject: Re: panic when loading mlxen Message-ID: <0D15BA02-5E39-4E04-84E1-3BF6D62065C1@cs.huji.ac.il> In-Reply-To: <CAHM0Q_NnBEdsBOSvXp-0uOVb1z_73k4oZOxTdVBFUJTnPnBj5A@mail.gmail.com> References: <83F78F7E-4DC2-41F5-837A-CB728D67B1E3@cs.huji.ac.il> <CAHM0Q_NnBEdsBOSvXp-0uOVb1z_73k4oZOxTdVBFUJTnPnBj5A@mail.gmail.com>
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> On 2 Feb 2018, at 20:47, K. Macy <kmacy@freebsd.org> wrote:
>=20
> That's odd since it doesn't use any of taskqgroup stuff. I take it you
> can't get a core?
no core but some more info:
db> bt
Tracing pid 0 tid 100000 td 0xffffffff81e0e500
taskqgroup_attach_cpu() at taskqgroup_attach_cpu+0x4f/frame =
0xffffffff822e4c30
tasklet_subsystem_init() at tasklet_subsystem_init+0xde/frame =
0xffffffff822e4c90
mi_startup() at mi_startup+0x9c/frame 0xffffffff822e4cb0
btext() at btext+0x2c
>=20
> Also, why are you loading it in loader.conf (slower) as opposed to =
rc.conf?
sometimes it=E2=80=99s booted diskless, and the driver is needed early.
and btw, this box doesn=E2=80=99t even have a mellanox card.
> -M
>=20
>=20
>=20
> 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:
>>=20
>> 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 =
LLVM 5.0.1)
>> VT(vga): resolution 640x480
>> CPU: Intel(R) Xeon(R) CPU E5507 @ 2.27GHz (2261.04-MHz =
K8-class CPU)
>> Origin=3D"GenuineIntel" Id=3D0x106a5 Family=3D0x6 Model=3D0x1a =
Stepping=3D5
>> =
Features=3D0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE=
,MCA,C>
>> =
Features2=3D0x9ce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PD=
CM,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
>>=20
>>=20
>> 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,(%rdi)
>> _______________________________________________
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