kern/107315: Loading gmirror causes 'Fatal double trap'

Geoffrey Giesemann geoffwa at cs.rmit.edu.au
Fri Dec 29 04:00:33 PST 2006


>Number:         107315
>Category:       kern
>Synopsis:       Loading gmirror causes 'Fatal double trap'
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Dec 29 12:00:32 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Geoffrey Giesemann
>Release:        RELENG_6
>Organization:
>Environment:
FreeBSD idkfa.local 6.2-PRERELEASE FreeBSD 6.2-PRERELEASE #0: Fri Dec 29 13:57:56 EST 2006     root at idkfa.local:/usr/obj/usr/src/sys/IDDQD  i386
>Description:
Upon issuing 'gmirror load' I get:

GEOM_MIRROR: <blah>
GEOM_MIRROR: Device /dev/ad4 activated
GEOM_MIRROR: Device /dev/ad6 activated

(slight pause)

Fatal double trap:
eip = 0xc4f36fed
esp = 0xe35d4ff4
ebp = 0xe35d5030
cpuid = 0; apic id 03

Previous to this I have created a gmirror across 250GB HDDs hanging off a Silicon Image 3112 controller. It's an SMP box with an SMP kernel, and the problem is reproducible.


>How-To-Repeat:

>Fix:

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


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