kern/121983: fxp0 MBUF and PAE

[Daniel]

>Number:         121983
>Category:       kern
>Synopsis:       fxp0 MBUF and PAE
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Mar 23 02:40:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     Daniel
>Release:        FreeBSD 6.3
>Organization:
>Environment:
FreeBSD xxxx 6.3-RELEASE FreeBSD 6.3-RELEASE #2: Sun Mar  2 16:20:30 UTC 2008     root at xxxx:/usr/src/sys/i386/compile/ROUTER  i386

>Description:
When using the interface fxp0 with PAE enable in kernel, occurs the following error:

fxp0: can't map mbuf (error 12)
..

it repeats, repeats and lost communication.

fxp0 at pci14:4:0: class=0x020000 card=0x00708086 chip=0x12298086 rev=0x10 hdr=0x00
   vendor     = 'Intel Corporation'
   device     = '82550/1/7/8/9 EtherExpress PRO/100(B) Ethernet Adapter'
   class      = network
   subclass   = ethernet
>How-To-Repeat:
Setup fxp0 and PAE enable in kernel and put traffic in interface fxp0.
>Fix:


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