kern/168183: bce driver hang system

[Yury D.]

>Number:         168183
>Category:       kern
>Synopsis:       bce driver hang system
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon May 21 03:50:02 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Yury D.
>Release:        FreeBSD 7.4-STABLE
>Organization:
>Environment:
FreeBSD 7.4-STABLE #0: Thu May 17 18:28:04 YEKST 2012
    master at r22.acmetelecom.ru:/usr/obj/usr/src/sys/R2
>Description:
 IBM server x3550 2*Xeon E5405, 4G RAM ,amd64, bce BCM5708C(internal) or BCM5708(pci-e) hang system with coredump without any network load, or run iperf..
Like kern/155004 

Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 00
fault virtual address   = 0x18
fault code              = supervisor read data, page not present
instruction pointer     = 0x8:0xffffffff805ea9c6
stack pointer           = 0x10:0xffffff80754f9080
frame pointer           = 0x10:0x0
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 43 (irq259: bce3)
trap number             = 12
panic: page fault
cpuid = 2
Uptime: 4m53s

>How-To-Repeat:
 run iperf on bce
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: