Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 05 Aug 1999 21:25:52 -0700
From:      "Ronald F. Guilmette" <rfg@monkeys.com>
To:        questions@freebsd.org
Subject:   Fatal trap 12: page fault while in kernel mode
Message-ID:  <7893.933913552@monkeys.com>

next in thread | raw e-mail | index | archive | help

The following occured recently on a a heavily loaded 2.2.6 system:


-----------------------------------------------------------------------------
Aug  5 22:03:53 ------- /kernel: Fatal trap 12: page fault while in kernel mode
Aug  5 22:03:53 ------- /kernel: fault virtual address  = 0x4
Aug  5 22:03:53 ------- /kernel: fault code             = supervisor write, page not present
Aug  5 22:03:53 ------- /kernel: instruction pointer    = 0x8:0xf01c089c
Aug  5 22:03:53 ------- /kernel: stack pointer          = 0x10:0xefbffc70
Aug  5 22:03:53 ------- /kernel: frame pointer          = 0x10:0xefbffc9c
Aug  5 22:03:53 ------- /kernel: code segment           = base 0x0, limit 0xfffff, type 0x1b
Aug  5 22:03:53 ------- /kernel:                        = DPL 0, pres 1, def32 1, gran 1
Aug  5 22:03:53 ------- /kernel: processor eflags       = resume, IOPL = 0
Aug  5 22:03:53 ------- /kernel: current process                = Idle
Aug  5 22:03:53 ------- /kernel: interrupt mask         = net tty bio 
Aug  5 22:03:53 ------- /kernel: panic: page fault
Aug  5 22:03:53 ------- /kernel: 
Aug  5 22:03:53 ------- /kernel: syncing disks... 
Aug  5 22:03:53 ------- /kernel: 
Aug  5 22:03:53 ------- /kernel: Fatal trap 12: page fault while in kernel mode
Aug  5 22:03:53 ------- /kernel: fault virtual address  = 0x10
Aug  5 22:03:53 ------- /kernel: fault code             = supervisor read, page not present
Aug  5 22:03:53 ------- /kernel: instruction pointer    = 0x8:0xf0131366
Aug  5 22:03:53 ------- /kernel: stack pointer          = 0x10:0xefbffae8
Aug  5 22:03:53 ------- /kernel: frame pointer          = 0x10:0xefbffaf8
Aug  5 22:03:53 ------- /kernel: code segment           = base 0x0, limit 0xfffff, type 0x1b
Aug  5 22:03:53 ------- /kernel:                        = DPL 0, pres 1, def32 1, gran 1
Aug  5 22:03:53 ------- /kernel: processor eflags       = resume, IOPL = 0
Aug  5 22:03:53 ------- /kernel: current process                = Idle
Aug  5 22:03:53 ------- /kernel: interrupt mask         = net tty bio 
Aug  5 22:03:53 ------- /kernel: panic: page fault
Aug  5 22:03:53 ------- /kernel: Automatic reboot in 15 seconds - press a key on the console to abort
Aug  5 22:03:53 ------- /kernel: Rebooting...
-----------------------------------------------------------------------------

Note that the system name has been ----'ed out to protect the guilty.

Can anyone explain to me what happened here and/or tell me how to prevent
it from happening again in the future?

This sort of event is most annoying.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-questions" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7893.933913552>