[DragonFlyBSD - Bug #1746] (Feedback) Panic: 'Fatal trap 12' page fault while in kernel mode

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Mon Jan 19 05:24:13 PST 2015

Issue #1746 has been updated by tuxillo.

Description updated
Category set to Kernel
Status changed from New to Feedback
Assignee deleted (0)
Target version set to 4.2.x

Hi Venk,

Can you please let us know the steps/configuration to reproduce this issue?

Best regards,
Antonio Huete

Bug #1746: Panic: 'Fatal trap 12' page fault while in kernel mode

* Author: vsrinivas
* Status: Feedback
* Priority: Normal
* Assignee: 
* Category: Kernel
* Target version: 4.2.x

Running stress2, syscall.cfg.

Fault trap 12: page fault while in kernel mode
fault virtual address = 0x5c
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0322dac
stack pointer = 0x10:0xc7cc5cb8
frame pointer = 0x10:0xc7cc5cc4
code segment = base 0x0, limit 0xfffff, type = 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, IOPL = 0
current process = 33918 (syscall)
current thread = pri 6

kernel: type 12 trap, code = 0
Stopped at sys_caps_sys_wait+0x79: movl 0x5c(%ebx),%eax

Core at http://acm.jhu.edu/~me/kern.n1.gz and 

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