8.0-BETA1 Fatal trap 12 during boot

Hello,

On one of my computer I get at the end of the boot:

cd0 at ata1 bus 0 target 0 lun 0 

cd0: <LITE-ON DVDRW SHM-165P6S MS0F> Removable CD-ROM SCSI-0 device 

cd0: 33.000MB/s transfers 

cd0: Attempt to query device size failed: NOT READY, Medium not present 

flowtable clean(cd1:ata1:0:1:0): error 6
(cd1:ata1:0:1:0): Unretryable Error
cd1 at ata1 bus 0 target 1 lun 0
cd1: <HP CD-Writer+ 8200 1.0f> Removable CD-ROM SCSI-0 device
cd1: 16.000MB/s transfers
cd1: Attempt to query device size failed: NOT READY, Medium not present
er started
GEOM: new disk cd0
GEOM: new disk cd1
(cd0:ata1:0:0:0): error 6
(cd0:ata1:0:0:0): Unretryable Error
(cd0:ata1:0:0:0): error 6
(cd0:ata1:0:0:0): Unretryable Error
(cd1:ata1:0:1:0): error 6
(cd1:ata1:0:1:0): Unretryable Error
(cd1:ata1:0:1:0): error 6
(cd1:ata1:0:1:0): Unretryable Error


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x0
fault code              = supervisor write, page not present
instruction pointer     = 0x20:0xc057ecb1
stack pointer           = 0x28:0xc2e918fc
frame pointer           = 0x28:0xc2e91930
code segment            = base 0x0, limit 0xfffff, type 0x1b
                         = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 1 (kernel)
[thread pid 1 tid 100002 ]
Stopped at      devfs_populate_loop+0x201:      movl    %edi,0(%eax)
db> bt
Tracing pid 1 tid 100002 td 0xc3150d80
devfs_populate_loop(0,c2e91a10,c0582d57,c347da40,c2e919a8,...) at 
devfs_populate_loop+0x201
devfs_populate(c347da40,c2e919a8,61,c148a08c,c2e91978,...) at 
devfs_populate+0x1b
devfs_lookup(c2e91a84,c3351d9c,80400,c08e779c,1ec,...) at devfs_lookup+0x2c7
VOP_LOOKUP_APV(c0923980,c2e91a84,c2e91be0,1ec,c3350060,...) at 
VOP_LOOKUP_APV+0x53
lookup(c2e91bb4,c3486000,400,c2e91bd4,0,...) at lookup+0x3fe
namei(c2e91bb4,c3351e10,0,0,0,...) at namei+0x642
kern_symlinkat(c3150d80,c08d9d99,ffffff9c,c08e7ab4,1,...) at 
kern_symlinkat+0xe6
kern_symlink(c3150d80,c08d9d99,c08e7ab4,1,c068ef10,...) at kern_symlink+0x2e
vfs_mountroot(c098c510,c3150d80,0,0,0,...) at vfs_mountroot+0x5dd
start_init(0,c2e91d38,0,0,0,...) at start_init+0x3c
fork_exit(c05b6340,0,c2e91d38) at fork_exit+0x88
fork_trampoline() at fork_trampoline+0x8
--- trap 0, eip = 0, esp = 0xc2e91d70, ebp = 0 ---
db>

Is it a hardware problem ?

I boot it with a 6.1 CD without problem.


Henri