> On 2 Feb 2018, at 20:47, K. Macy <km...@freebsd.org> wrote:
> 
> 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

> 
> Also, why are you loading it in loader.conf (slower) as opposed to rc.conf?
sometimes it’s booted diskless, and the driver is needed early.
and btw, this box doesn’t even have a mellanox card.


> -M
> 
> 
> 
> On Fri, Feb 2, 2018 at 4:46 AM, Daniel Braniss <da...@cs.huji.ac.il> wrote:
>> with latest stable (r328769) when I have
>>        mlxen_load=“YES”
>> 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 LLVM 
>> 5.0.1)
>> VT(vga): resolution 640x480
>> CPU: Intel(R) Xeon(R) CPU           E5507  @ 2.27GHz (2261.04-MHz K8-class 
>> CPU)
>> Origin="GenuineIntel"  Id=0x106a5  Family=0x6  Model=0x1a  Stepping=5
>> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,C>
>> Features2=0x9ce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,DCA>
>> AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
>> AMD Features2=0x1<LAHF>
>> VT-x: PAT,HLT,MTF,PAUSE,EPT,VPID
>> TSC: P-state invariant, performance statistics
>> real memory  = 25769803776 (24576 MB)
>> avail memory = 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 = 0; apic id = 10
>> fault virtual address   = 0x1818
>> fault code              = supervisor write data, page not present
>> instruction pointer     = 0x20:0xffffffff80ad427f
>> stack pointer           = 0x28:0xffffffff822e3be0
>> frame pointer           = 0x28:0xffffffff822e3c30
>> code segment            = base 0x0, limit 0xfffff, type 0x1b
>>                       = DPL 0, pres 1, long 1, def32 0, gran 1
>> processor eflags        = interrupt enabled, resume, IOPL = 0
>> current process         = 0 (swapper)
>> [ thread pid 0 tid 100000 ]
>> Stopped at      taskqgroup_attach_cpu+0x4f:     lock cmpxchgq   %r12,(%rdi)
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