kern/88491: Panic when boot installation CD1

Andrew Degtiariov ad at
Fri Nov 4 06:50:14 PST 2005

>Number:         88491
>Category:       kern
>Synopsis:       Panic when boot installation CD1
>Confidential:   no
>Severity:       non-critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Nov 04 14:50:12 GMT 2005
>Originator:     Andrew Degtiariov
>Release:        6.0-BETA4
S_V_R Ltd
              While I'm trying to install FreeBSD 6.0-BETA4 to newly purchased Acer TravelMate 2355NLM I'm getting kernel panic during boot from installation CD:

uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0x1600-0x161f at device 29.1 on pci0

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address  = 0xe7dc2
fault code             = supervisor read, page not present
instruction pointer    = 0x20:0xc00e9cc5
stack pointer          = 0x28:0xc10209ec
frame pointer          = 0x28:0xc10209ec
code segment           = base 0x0, limit 0xfffff, type 0x1b
                       = DPL 0, pres 1, def32 1, gran1
processor eflags       = interrupt enabled, resume, IOPL = 0
current process        = 0 (swapper)
[thread pid 0 tid 0 ]
Stopped at    0xc00e9cc5:    cmpb   %cs:0x1(%esi),%bl
Tracing pid 0 tid 0 td 0xc0921c00
kernbase(c00fe922,c00fe920,c07f8c65,a0b,e9) at 0xc00e9cc5
end(cb9d08c4,c4f6ec8b,81067540,ffffe5,e67f2400) at 0xc1020a44
db>show registers
cs            0x20
ds            0x28
es      0xc0850028
fs      0xc0850008
ss            0x28
eax         0xf10f
ecx          0xa0b
edx            0x8
ebx           0xe9
esp     0xc10209ec
ebp     0xc10209ec
esi        0xe7dc1
edi     0xc00fe922
eip     0xc00e9cc5
efl        0x90202
dr0            0xf
dr1            0xc
dr2              0
dr3              0
dr4     0xffff0ff0
dr5          0x400
dr6     0xffff0ff0
dr7          0x400
0xc00e9cc5:   cmpb %cs:0x1(%esi),%bl
              Nothing special. Only try to boot from FreeBSD 6.0-BETA4 CD1
              Don't know

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