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Core Dump fault virtual address on DragonFly v2.13.0.154.g481b38-DEVELOPMENT

From: Siju George <sgeorge.ml@xxxxxxxxx>
Date: Tue, 15 Nov 2011 12:21:08 +0530


I didn't receive any response to the core dump message i sent yesterday.
Should i be sending these messages to bugs instead? please let me know.

I have put the coredump at leaf:/home/sgeorge/crash/Coredump20111115.tbz
My kernel version is DragonFly v2.13.0.154.g481b38-DEVELOPMENT
These Core dumps does not happen every time.
Now I have removed a 512 MB RAM from the machine and I have got the
system up now and I am upgrading to the latest src.



The core dump message was

ta4: reset tp2 stat0=d0 stat1=00 devices=0x0
ad8: FAILURE - device detached
subdisk8: detached
ad8: detached
ata4: reinit done ..

Fatal trap 12: page fault while in kernel mode
cpuid = 0; lapic.id = 00000000
fault virtual address   = 0xdeadc116
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc039017b
stack pointer           = 0x10:0xd5e6fb08
frame pointer           = 0x10:0xd5e6fb18
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         = 1 (init)
current thread          = pri 31 (CRIT)
 <- SMP: XXX
kernel: type 12 trap, code=0

CPU0 stopping CPUs: 0x00000000
Physical memory: 3541 MB
Dumping 218 MB: 203 187 171 155 139 123 107 91 75 59 43 27 11

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