In current patch is attached to file i386/i386/machdep.c.
There is no line "#if defined(XEN_PRIVILEGED)".

Tobiasz
I've attached Colin's patch. It may work on current also.

Tobiasz Tworek wrote:
I had tested latest curent version on my AMD Athlon II X4 Xen Server 6.5 and i have got panic. My output:

WARNING: loader(8) metadata is missing!
GDB: no debug ports present
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2010 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 9.0-CURRENT #0: Wed Jan 12 20:14:15 CET 2011
    r...@freebsdcurent:/usr/src/sys/i386/compile/XEN i386
WARNING: WITNESS option enabled, expect reduced performance.
Xen reported: 3013.708 MHz processor.
Timecounter "ixen" frequency 1000000000 Hz quality 0
CPU: AMD Athlon(tm) II X4 640 Processor (3013.71-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x100f53 Family = 10 Model = 5 Stepping = 3 Features=0x1783fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE,SSE2,HTT>
  Features2=0x802009<SSE3,MON,CX16,POPCNT>
AMD Features=0xee500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTSCP,LM,3DNow!+,3DNow!> AMD Features2=0x37ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4A,MAS,Prefetch,OSVW,IBS,SKINIT,WDT>
  TSC: P-state invariant
Data TLB: 48 entries, fully associative
Instruction TLB: 32 entries, fully associative
L1 data cache: 64 kbytes, 64 bytes/line, 1 lines/tag, 2-way associative
L1 instruction cache: 64 kbytes, 64 bytes/line, 1 lines/tag, 2-way associative L2 internal cache: 512 kbytes, 64 bytes/line, 1 lines/tag, 8-way associative
real memory  = 536870912 (512 MB)
Physical memory chunk(s):
0x000000000077d000 - 0x000000001f638fff, 518766592 bytes (126652 pages)
avail memory = 515821568 (491 MB)
APIC: Using the MPTable enumerator.
SMP: Added CPU 0 (BSP)
ULE: setup cpu 0
[XEN] IPI cpu=0 irq=128 vector=RESCHEDULE_VECTOR (0)
[XEN] IPI cpu=0 irq=129 vector=CALL_FUNCTION_VECTOR (1)
Event-channel device installed.
nfslock: pseudo-device
mem:<memory>
Pentium Pro MTRR support enabled
io:<I/O>
null:<null device, zero device>
random:<entropy source, Software, Yarrow>
[XEN] xen_rtc_probe: probing Hypervisor RTC clock
rtc0:<Xen Hypervisor Clock>  on motherboard
[XEN] xen_rtc_attach: attaching Hypervisor RTC clock
rtc0: registered as a time-of-day clock (resolution 1000000us, adjustment 0.500000000s)
Grant table initialized
xenbus0:<Xen Devices>  on motherboard
xc0:<Xen Console>  on motherboard
Device configuration finished.
procfs registered
Timecounters tick every 10.000 msec
kernel trap 9 with interrupts disabled


Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer= 0x21:0xc032b311
stack pointer        = 0x29:0xlo0: bpf attached
c21fec8c
frame pointer        = 0x29:0xc21fec94
code segment= base 0x0, limit 0xfffff, type [XEN] hypervisor wallclock nudged; nudging TOD.
0x1b
= DPL 1, pres 1, def32 1, gran 1
processor eflags= resume, IOPL = 0
current process= 11 (idle: cpu0)
[ thread pid 11 tid 100003 ]
Stopped at      spinlock_exit+0xa1:     hlt



Regards,
Tobiasz Tworek


On 01/12/11 05:33, Gót András wrote:
kernel trap 9 with interrupts disabled

Fatal trap 9: general protection fault while in kernel mode
cpuid = 0; apic id = 00
instruction pointer    = 0x21:0xc0321241
stack pointer            = 0x29:0xc21ffc8c
frame pointer            = 0x29:0xc21ffc94
code segment        = base 0x0, limit 0xfffff, type 0x1b
             = DPL 1, pres 1, def32 1, gran 1
processor eflags    = resume, IOPL = 0
current process        = 11 (idle: cpu0)
[thread pid 11 tid 100003 ]
Stopped at      spinlock_exit+0xe1:     hlt
Yep, this is what I was looking for. Can you try the attached patch (under the same conditions to avoid the pmap_init panic) and let me know if this
problem goes away?



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