>Number: 158707
>Category: kern
>Synopsis: kernel trap 12 with interrupts disabled
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Jul 07 17:50:08 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator: Vadim
>Release: 8.2
>Organization:
webnewteam
>Environment:
FreeBSD host21-web.mastak.net 8.2-RELEASE-p2 FreeBSD 8.2-RELEASE-p2 #0: Tue Jun
28 19:48:46 UTC 2011 r...@host21-web.mastak.net:/usr/obj/usr/src/sys/mastak
amd64
>Description:
host27-web# ifconfig em0 down
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address = 0x20
fault code = supervisor read data, page not present
instruction pointer = 0x20:0xffffffff80606468
stack pointer = 0x28:0xffffff80b9dbc770
frame pointer = 0x28:0xffffff80b9dbc7a0
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 91735 (ifconfig)
trap number = 12
panic: page fault
cpuid = 2
U^[[Aptime: 1d17h38m43s
Cannot dump. Device not defined or unavailable.
Network inerfase dev.em.0.%desc: Intel(R) PRO/1000 Network Connection 7.1.9
and
igb net inerfase
When in a large number of network connections server soedideny give kernel panic
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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