kern/170944: panic: Unknown caching mode

[Dieter]

>Number:         170944
>Category:       kern
>Synopsis:       panic: Unknown caching mode
>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:   Thu Aug 23 22:30:01 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Dieter
>Release:        FreeBSD 8.2 amd64
>Organization:
>Environment:
FreeBSD 8.2 amd64
>Description:
FreeBSD 8.2 amd64  4GiB ECC memory

Unread portion of the kernel message buffer:
<6>panic: Unknown caching mode -654311418
<6>
<6>KDB: stack backtrace:
<6>#0 0xffffffff8030b58e at kdb_backtrace+0x5e
<6>#1 0xffffffff802dd41d at panic+0x18d
<6>#2 0xffffffff804d7a98 at pmap_cache_bits+0x58
<6>#3 0xffffffff804deb92 at pmap_enter+0x1d2
<6>#4 0xffffffff804ae60c at vm_fault+0x14dc
<6>#5 0xffffffff804e11e1 at trap_pfault+0x131
<6>#6 0xffffffff804e187c at trap+0x44c
<6>#7 0xffffffff804cc684 at calltrap+0x8
<6>Uptime: 31d10h35m53s
<6>Physical memory: 3575 MB
*
>How-To-Repeat:

>Fix:


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