DragonFly bugs List (threaded) for 2008-10
DragonFly BSD
DragonFly bugs List (threaded) for 2008-10
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Re: panic during network install


From: "Justin C. Sherrill" <justin@xxxxxxxxxxxxxxxxxx>
Date: Wed, 8 Oct 2008 23:19:20 -0400 (EDT)

On Tue, October 7, 2008 10:44 pm, Justin C. Sherrill wrote:
> This was during the cpdup of a network install to a Sony PCG-R505EL:

Here's another one, trying again with a different drive and the slow
CD-ROM in the serving computer switched out:

| /mnt/modules/cmx.ko      copy-ok
panic: vm_fault: unrecoverable fault at 0xca2ba000 in entry 0xc065bf20
Trace beginning at frame 0xcadc797c
panic(cadc79a0,cadc79c8,cadc79cc,cadc79ec,cadc79fc) at panic+0x8c
panic(c057df60,ca2ba000,c065bf20,1000001,5f5e080) at pnaic+0x8c
vm_fault(c0658680,ca2ba000,1,0,ca2baea0) at vm_fault+0xe2
trap_pfault(a,c127a410,c974d218,c061e620,0) at trap_pfault+0x104
trap(cadc7a70) at trap+0x3bf
calltrap() at calltrap+0xd
-- trap 0, eip = 0, esp = 0xcadc7ab4, ebp = 0xca2baea0 ---
panic: vm_fault: unrecoverable fault at 0xca2ba000 in entry 0xc065bf20
Dbugger("panic")
Stopped at   Debugger+0x34: movb  $0,in_Debugger.3949

a trace gets:
Fatal trap 12: page fault while in kernel mode
fault virtual address     = 0xca2baea8
fault code                = supervisor read, page not present
instruction pointer       = 0x8:0xc04c1aef
stack pointer             = 0x10:0xcadc7554
frame pointer             = 0x10:0xcadc755c
code segment              = base 0x0, limit 0xfffff, type 0x1b
                          = DPL 0, pres 1, def32, gran 1
processor eflags          = interrupt enabled, resume, IOPL = 0
current process           = 957 (cpdup)
current trhead            = pri 10

kernel: type 12 trap, code=0

This is a 2.0.1 kernel.BOOTP this time.  I think the system has 1 stick of
hardwired RAM and one removable; I'll try taking out the removable RAM and
see what happens, in case bad RAM is the culprit.




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