On 02/03/18 08:34, Daniel Braniss wrote:>
>
>> On 2 Feb 2018, at 20:47, K. Macy <kmacy at 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 <danny at
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 at 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)
Hi,
It should work if you "kldload mlxen" after boot or add it to kld_list
in /etc/rc.conf. Looks like I have one more combination to test after
the LinuxKPI upgrade in 11-stable. Thanks for notifying me.
--HPS