kern/94146: fwohci parity error crashes kernel on boot

[Michael Schmiedgen]

>Number:         94146
>Category:       kern
>Synopsis:       fwohci parity error crashes kernel on boot
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Mar 06 19:20:09 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Michael Schmiedgen
>Release:        7-CURRENT
>Organization:
>Environment:
FreeBSD 7.0-CURRENT-SNAP012
>Description:
fwohci0: <1394 Open Host Controller Interface> mem 0xb4008000-0xb40087ff,0xb4000000-0xb4003fff irq 18 at device 4.2 on pci6
fwohci0: OHCI version 1.10 (ROM=0)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 XX:XX:XX:XX:XX:XX:XX:XX
NMI ISA a0, EISA ff
RAM parity error, likely hardware failure.

Fatal trap 19: non-maskable interrupt trap while in kernel mode
cpuid = 0; apic id = 00
instruction pointer     = 0x20:0xc052c256
stack pointer           = 0x28:0xc10209c4
frame pointer           = 0x28:0xc10209d8
code segment            = base 0x0, limit0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, IOPL = 0
current process         = 0 (swapper)
[thread pid 0 tid 0 ]
Stopped at      fwphy_rddata+0x92:          movl        %eax,%ebx
db>

>How-To-Repeat:
simply boot 7-CURRENT-SNAP012 GENERIC

problem also exists on 6-STABLE

>Fix:

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