[SerialICE] SerialICE Segmentation fault (core dumped)

[Joseph Smith]

On Tue, 19 Jan 2010 23:52:21 -0500, Joseph Smith <joe at settoplinux.org>
wrote:
> 
> 
> On Tue, 19 Jan 2010 23:50:05 +0100, Stefan Reinauer
<stepan at coresystems.de>
> wrote:
>> On 1/19/10 11:17 PM, Alexander Graf wrote:
>>> On 19.01.2010, at 23:12, Stefan Reinauer wrote
>>>> On 1/19/10 10:17 PM, Joseph Smith wrote:
>>>>
>>>>> (gdb) bt
>>>>> #0  cpu_register_physical_memory_offset (start_addr=4292345856,
>>>>> size=524288,
>>>>>    phys_offset=0, region_offset=0) at
> /home/joe/qemu-0.11.0/exec.c:2327
>>>>> #1  0x080715b8 in cpu_register_physical_memory (
>>>>>    phys_offset=<value optimized out>, size=<value optimized out>,
>>>>>    start_addr=<value optimized out>) at ../cpu-common.h:33
>>>>> #2  serialice_register_physical (phys_offset=<value optimized out>,
>>>>>    size=<value optimized out>, start_addr=<value optimized out>)
>>>>>    at /home/joe/qemu-0.11.0/serialice.c:93
>>>>>
>>>>>
>>>> This is almost there...
>>>>
>>>> Can you recompile Qemu and add "-g" to CFLAGS and try again? It does
>>>> look suspicious that phys_offset and size are optimized out, though..
>>>>
>>>> BTW, I just tried SerialICE on an x86-64 OpenSUSE 11.2 system and it
>>>> works nicely without a segfault. Maybe Fedora is using a buggy
compiler
>>>> or a specific compiler option that breaks things?
>>>>
>>> The trace says you're using env before it's initialized.
>>>
>> Thanks for spotting this, you're of course right.
>>
>> It's caused by some oddness in how KQEMU is initialized.
>>
>> Joseph:
>> Please add --disable-kqemu to your Qemu configure options and the
>> problem will go away.
>>
> Ok that seems to be a little better, but if I use the command in the
> "SerialICE Qemu
> README" I just get this:
> 
> [root at smitty2 qemu-0.11.0]# ./i386-softmmu/qemu -M -serialice /dev/ttyS0
> -hda /dev/zero -L ./bios
> Supported machines are:
> pc         Standard PC (alias of pc-0.11)
> pc-0.11    Standard PC (default)
> pc-0.10    Standard PC, qemu 0.10
> isapc      ISA-only PC
> 
> If I use the older command listed on the website it seems to get a little
> further:
> 
> [root at smitty2 qemu-0.11.0]# ./i386-softmmu/qemu -serialice /dev/ttyS0
-hda
> /dev/zero -L ./bios
> SerialICE: Open connection to target hardware...
> SerialICE: Waiting for handshake with target... target alife!
> SerialICE: LUA init...
> SerialICE: Starting LUA script
> SerialICE: Registering physical memory areas for Cache-As-Ram:
> Registering physical memory at 0xffd80000 (0x00080000 bytes)
> Registering physical memory at 0xffbc0000 (0x00040000 bytes)
> SerialICE: LUA script initialized.
> VNC server running on `127.0.0.1:5900'
> IO: outb 0080 <= 00
> IO: outb 002e <= 55
> IO: outb 002e <= 07
> IO: outb 002f <= 07
> IO: outb 002e <= 30
> IO: outb 002f <= 01
> IO: outb 002e <= aa
> IO:  inb 0064 => 00
> IO: outb 0064 <= 60
> IO: outb 0060 <= 45
> IO: outb 0080 <= 08
> CPU: CPUID eax: 00000000; ecx: 00000000 =>
> 00000002.756e6547.6c65746e.49656e69
> CPU: CPUID eax: 00000000; ecx: 6c65746e =>
> 00000002.756e6547.6c65746e.49656e69
> Failed to run function SerialICE_msr_read_filter: serialice.lua:474: bad
> argument #2 to 'band' (number expected, got nil)
> [root at smitty2 qemu-0.11.0]#
> 

Any ideas?

-- 
Thanks,
Joseph Smith
Set-Top-Linux
www.settoplinux.org