DragonFly BSD
DragonFly kernel List (threaded) for 2004-02
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RE: Panic with latest sources.


From: "Robin P. Blanchard" <robin.blanchard@xxxxxxxxxxxxx>
Date: Thu, 12 Feb 2004 13:56:46 -0500

> :I'm trying to narrow down when things broke for me...
> :Sources from 2004.02.06.00.00.00 yield a working kernel (yet 
> with broken :serial console). :Maybe this helps spur some ideas ?
> :
> :Thanks again.
> :
> :---------------------------------------
> :Robin P. Blanchard
> 
>     That's the best approach, keep narrowing it down.  You can fix the
>     serial console with the patch I include below (I 
>     committed it yesterday
>     but of course it won't show up when you regress the date):
> 

Perhaps this will stir some other committers' thoughts/memories.

Ok here we go...
Regression report (GENERIC kernel):

1) 2004.02.06.00.00.00 - works
2) 2004.02.08.00.00.00 - works
3) 2004.02.10.00.00.00 - buildkernel failure
4) 2004.02.10.12.00.00 - panic
5) 2004.02.09.12.00.00 - works
6) 2004.02.10.06.00.00 - works

So...something committed (and which still exists) between 2004.02.10.06.00.00
and 2004.02.10.12.00.00 results in the following sort of early panic.

Copyright (c) 2003-2004 The DragonFly Project.

Copyright (c) 1992-2003 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.

create resource fdc0: error 12                              
create resource fdc0: error 12                              
create resource fdc0: error 12                              
create resource fdc0: error 12                              
create resource fd0: error 12                             
create resource fd0: error 12                             
create resource fd1: error 12                             
create resource fd1: error 12                             
create resource ata0: error 12                              
create resource ata0: error 12                              
create resource ata0: error 12                              
create resource ata1: error 12                              
create resource ata1: error 12                              
create resource ata1: error 12                              
create resource adv0: error 12                              
create resource bt0: error 12                             
create resource aha0: error 12                              
create resource aic0: error 12                              
create resource atkbdc0: error 12                                 
create resource atkbdc0: error 12                                 
create resource atkbd0: error 12                                
create resource atkbd0: error 12                                
create resource atkbd0: error 12                                
create resource psm0: error 12                              
create resource psm0: error 12                              
create resource vga0: error 12                              
create resource sc0: error 12                             
create resource sc0: error 12                             
create resource npx0: error 12                              
create resource npx0: error 12                              
create resource npx0: error 12                              
create resource apm0: error 12                              
create resource apm0: error 12                              
create resource apm0: error 12                              
create resource sio0: error 12                              
create resource sio0: error 12                              
create resource sio0: error 12                              
create resource sio0: error 12                              
create resource sio1: error 12                              
create resource sio1: erro                         
create resource sio1: error 12                              
create resource sio2: error 12                              
create resource sio2: error 12                              
create resource sio2: error 12                              
create resource sio2: error 12                              
create resource sio3: error 12                              
create resource sio3: error 12                              
create resource sio3: error 12                              
create resource sio3: error 12                              
create resource ppc0: error 12                              
create resource ppc0: error 12                              
create resource ed0: error 12                             
create resource ed0: error 12                             
create resource ed0: error 12                             
create resource ed0: error 12                             
create resource ed0: error 12                             
create resource fe0: error 12                            
create resource fe0: error 12                             
create resource fe0: error 12                             
create resource ie0: error 12                             
create resource ie0: error 12                             
create resource ie0: error 12                             
create resource ie0: error 12                             
create resource ie0: error 12                             
create resource lnc0: error 12                              
create resource lnc0: error 12                              
create resource lnc0: error 12                              
create resource lnc0: error 12                              
create resource lnc0: error 12                              
create resource cs0: error 12                             
create resource cs0: error 12                             
create resource cs0: error 12                             
create resource sn0: error 12                             
create resource sn0: error 12                             
create resource sn0: error 12                             
create resource sn0: error 12                             
DragonFly 1.0-CURRENT #0: Wed Feb 11 15:39:02 EST 2004

    root@:/usr/obj/usr/src/sys/GENERIC
CPU: AMD Athlon(tm) Processor (805.64-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x622  Stepping = 2
 
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,P
AT,PSE36,MMX,FXSR>
  AMD Features=0xc0400000<AMIE,DSP,3DNow!>
real memory  = 268369920 (262080K bytes)


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x0
fault code              = supervisor write, page not present
instruction pointer     = 0x8:0xc03d72ef
stack pointer           = 0x10:0xc05c1d40
frame pointer           = 0x10:0xc05c1d84
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (thread0)
current thread          = pri 44 (CRIT)
interrupt mask          = net tty bio cam
kernel: type 12 trap, code=2
Stopped at      0xc03d72ef:     repe stosl      %es:(%edi)
db> where
(null)(0,5bec00,5cc000,0,c013499c) at 0xc03d72ef
(null)(5be000,0,0,0,0) at 0xc023a9dd
(null)() at 0xc013499c






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