Hello everyone, after building l4re-snapshot-2014092821 on my Ubuntu-14.04(32bit), I run L4Linux-mag-x86, and get some errors.
The information is as follows:

qemu-system-i386 -kernel /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/bootstrap -append "bootstrap -modaddr 0x01100000" -initrd "/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco -serial_esc,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0 ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe rom/l4lx-gfx.cfg,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/l4re ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/ned ,/home/lhj/L4Linux/l4re-snapshot-2014092821/src/l4/conf/examples/l4lx-gfx.cfg ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/io ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/fb-drv ,/home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/mag ,/home/lhj/L4Linux/l4re-snapshot-2014092821/files/cfg/x86-legacy.devs ,/home/lhj/L4Linux/l4re-snapshot-2014092821/src/l4/conf/examples/l4lx-x86.io ,/tmp/QEVRyiQlKD/vmlinuz ,/home/lhj/L4Linux/l4re-snapshot-2014092821/files/ramdisk-x86.rd " -m 256 -serial stdio

L4 Bootstrapper
  Build: #1 Tue May 26 16:48:47 CST 2015, x86-32, 4.8.2
  RAM: 0000000000000000 - 000000000009fbff: 639kB
  RAM: 0000000000100000 - 000000000fffdfff: 261112kB
  Total RAM: 255MB
  Scanning /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco -serial_esc
  Scanning /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0 
  Scanning /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe rom/l4lx-gfx.cfg
  need 1368 bytes to copy MBI
  reserved 1368 bytes at 0x2000
  Moving up to 13 modules behind 1100000
  moving module 12 { 2266400-25663ff } -> { 3085000-3384fff } [3145728]
  moving module 11 { 1e8e400-2265919 } -> { 2cad000-3084519 } [4027674]
  moving module 10 { 1e8d400-1e8d626 } -> { 2cac000-2cac226 } [551]
  moving module 09 { 1e8c400-1e8c63e } -> { 2cab000-2cab23e } [575]
  moving module 08 { 1a29400-1e8ba0b } -> { 2848000-2caa60b } [4597260]
  moving module 07 { 189f400-1a28598 } -> { 26be000-2847198 } [1610137]
  moving module 06 { 98e400-189ee03 } -> { 17ad000-26bda03 } [15796740]
  moving module 05 { 98d400-98d96a } -> { 17ac000-17ac56a } [1387]
  moving module 04 { 736400-98ce09 } -> { 1555000-17aba09 } [2451978]
  moving module 03 { 5fc400-735b2c } -> { 141b000-155472c } [1283885]
  moving module 02 { 3a9400-5fb7eb } -> { 11c8000-141a3eb } [2434028]
  moving module 01 { 353400-3a928a } -> { 1172000-11c7e8a } [351883]
  moving module 00 { 2e1400-352677 } -> { 1100000-1171277 } [463480]
  Loading /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco
  Loading re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0
  Loading /l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe
  find kernel info page...
  found kernel info page at 0x400000
Regions of list 'regions'
    [        0,       fff] {     1000} Arch   BIOS
    [     1000,      1fff] {     1000} Kern   /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco
    [     2000,      2557] {      558} Root   mbi_rt
    [    9fc00,     9ffff] {      400} Arch   BIOS
    [    f0000,     fffff] {    10000} Arch   BIOS
    [   100000,    10b193] {     b194} Sigma0 re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/sigma0
    [   140000,    193363] {    53364} Root   /l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe
    [   2d0400,    2df43f] {     f040} Boot   bootstrap
    [   300000,    38ffff] {    90000} Kern   /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco
    [   400000,    475fff] {    76000} Kern   /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco
    [  141b000,   3384fff] {  1f6a000} Root   Module
    [  fffe000,   fffffff] {     2000} Arch   BIOS
    [ fffc0000,  ffffffff] {    40000} Arch   BIOS
  API Version: (87) experimental
  Sigma0 config    ip:0010021c sp:00000000
  Roottask config  ip:001401f6 sp:00000000
  Starting kernel /L4Linux/l4re-snapshot-2014092821/obj/fiasco/ia32/fiasco at 003007b8

Welcome to Fiasco.OC (ia32)!
L4/Fiasco.OC ia32 microkernel (C) 1998-2013 TU Dresden
Rev: unknown compiled with gcc 4.8.2 for Intel Pentium    []
Build: #1 Tue May 26 16:33:03 CST 2015

Performance-critical config option(s) detected:
  CONFIG_NDEBUG is off
  CONFIG_NO_FRAME_PTR is off

Superpages: yes
Kmem:: cpu page at fffd000 (4096Bytes)
ACPI-Init
ACPI: RSDP[0xf09e0] r00 OEM:BOCHS.
ACPI: RSDT[0x203ffbc1] r01 OEM:BOCHS. OEMTID:BXPCRSDT
ACPI: FACP[0x203ff1c0] r01 OEM:BOCHS. OEMTID:BXPCFACP
ACPI: SSDT[0x203ff234] r01 OEM:BOCHS. OEMTID:BXPCSSDT
ACPI: APIC[0x203ffb11] r01 OEM:BOCHS. OEMTID:BXPCAPIC
ACPI: HPET[0x203ffb89] r01 OEM:BOCHS. OEMTID:BXPCHPET
IO-APIC: MADT = 0x203ffb11
IO-APIC[ 0]: struct: 0x203ffb45 adr=fec00000
IO-APIC[ 0]: pins 24
  PIN[ 0m]: vector=20, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 1m]: vector=21, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 2m]: vector=22, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 3m]: vector=23, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 4m]: vector=24, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 5m]: vector=25, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 6m]: vector=26, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 7m]: vector=27, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 8m]: vector=28, del=0, dm=physical, dest=0 (high, edge)
  PIN[ 9m]: vector=29, del=0, dm=physical, dest=0 (high, edge)
  PIN[10m]: vector=2a, del=0, dm=physical, dest=0 (high, edge)
  PIN[11m]: vector=2b, del=0, dm=physical, dest=0 (high, edge)
  PIN[12m]: vector=2c, del=0, dm=physical, dest=0 (high, edge)
  PIN[13m]: vector=2d, del=0, dm=physical, dest=0 (high, edge)
  PIN[14m]: vector=2e, del=0, dm=physical, dest=0 (high, edge)
  PIN[15m]: vector=2f, del=0, dm=physical, dest=0 (high, edge)
  PIN[16m]: vector=30, del=0, dm=physical, dest=0 (high, edge)
  PIN[17m]: vector=31, del=0, dm=physical, dest=0 (high, edge)
  PIN[18m]: vector=32, del=0, dm=physical, dest=0 (high, edge)
  PIN[19m]: vector=33, del=0, dm=physical, dest=0 (high, edge)
  PIN[20m]: vector=34, del=0, dm=physical, dest=0 (high, edge)
  PIN[21m]: vector=35, del=0, dm=physical, dest=0 (high, edge)
  PIN[22m]: vector=36, del=0, dm=physical, dest=0 (high, edge)
  PIN[23m]: vector=37, del=0, dm=physical, dest=0 (high, edge)
IO-APIC: dual 8259: yes
IO-APIC: ovr[ 0] 00 -> 2 0
IO-APIC: ovr[ 1] 05 -> 5 d
IO-APIC: ovr[ 2] 09 -> 9 d
IO-APIC: ovr[ 3] 0a -> a d
IO-APIC: ovr[ 4] 0b -> b d
Allocate cpu_mem @ 0xfdbf9400
FPU0: SSE 
Local APIC[00]: version=11 max_lvt=5
APIC ESR value before/after enabling: 00000000/00000000
Using the Local APIC timer on vector 90 (Periodic Mode) for scheduling
ACPI: FACS phys=fffe000 virt=0x203fe000
ACPI: HW sig=0
SERIAL ESC: allocated IRQ 4 for serial uart
Absolute KIP Syscalls using: Sysenter
Enable MSI support: chained IRQ mgr @ 0xfdbf9150
SERIAL ESC: allocated IRQ 4 for serial uart
Not using serial hack in slow timer handler.
CPU[0]: GenuineIntel (6:6:3:0)[00000663] Model: QEMU Virtual CPU version 2.0.0 at 2507MHz

  32 KB L1 I Cache (8-way associative, 64 bytes per line)
  32 KB L1 D Cache (8-way associative, 64 bytes per line)
2048 KB L2 U Cache (8-way associative, 64 bytes per line)

Freeing init code/data: 24576 bytes (6 pages)

Calibrating timer loop... done.
MDB: use page size: 22
MDB: use page size: 12
SIGMA0: Hello!
  KIP @ 400000
  Found Fiasco: KIP syscalls: yes
  allocated 4KB for maintenance structures
SIGMA0: Dump of all resource maps
RAM:------------------------
[4:2000;2fff]
[0:3000;9efff]
[0:10c000;13ffff]
[4:140000;193fff]
[0:194000;3fffff]
[0:470000;141afff]
[4:141b000;3384fff]
[0:3385000;eb8afff]
IOMEM:----------------------
[0:0;fff]
[0:9f000;fffff]
[0:fffe000;febfffff]
[0:fec01000;fedfffff]
[0:fee01000;ffffffff]
IO PORTS--------------------------
[0:0;fffffff]
MOE: Hello world
MOE: found 207796 KByte free memory
MOE: found RAM from 2000 to eb8b000
MOE: allocated 235 KByte for the page array @0x3000
MOE: virtual user address space [0-bfffffff]
MOE: rom name space cap -> [C:501000]
  BOOTFS: [141b000-155472d] [C:503000] l4re
  BOOTFS: [1555000-17aba0a] [C:504000] ned
  BOOTFS: [17ac000-17ac56b] [C:505000] l4lx-gfx.cfg
  BOOTFS: [17ad000-26bda04] [C:506000] io
  BOOTFS: [26be000-2847199] [C:507000] fb-drv
  BOOTFS: [2848000-2caa60c] [C:508000] mag
  BOOTFS: [2cab000-2cab23f] [C:509000] x86-legacy.devs
  BOOTFS: [2cac000-2cac227] [C:50a000] l4lx-x86.io
  BOOTFS: [2cad000-308451a] [C:50b000] vmlinuz
  BOOTFS: [3085000-3385000] [C:50c000] ramdisk-x86.rd
MOE: cmdline: /home/lhj/L4Linux/l4re-snapshot-2014092821/obj/l4/x86/bin/x86_586/l4f/moe rom/l4lx-gfx.cfg
MOE: Starting: rom/ned rom/l4lx-gfx.cfg
MOE: loading 'rom/ned'
Ned says: Hi World!
Ned: loading file: 'rom/l4lx-gfx.cfg'
io      | Io service
io      | Find root Pointer
io      | Find root Pointer: f09e0
io      | ACPI: RSDP 0xf09e0 00014 (v00 BOCHS )
io      | ACPI: RSDT 0xffffbc1 00034 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
io      | ACPI: FACP 0xffff1c0 00074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
io      | ACPI: DSDT 0xfffe040 01180 (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
io      | ACPI: FACS 0xfffe000 00040
io      | ACPI: SSDT 0xffff234 008DD (v01 BOCHS  BXPCSSDT 00000001 BXPC 00000001)
io      | ACPI: APIC 0xffffb11 00078 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
io      | ACPI: HPET 0xffffb89 00038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
io      | Parsing all Control Methods:
io      | Table [DSDT](id 0001) - 144 Objects with 18 Devices 52 Methods 8 Regions
io      | Parsing all Control Methods:
io      | Table [SSDT](id 0002) - 155 Objects with 32 Devices 42 Methods 1 Regions
io      | tbxfload-0274 [02] TbLoadNamespace       : ACPI Tables successfully acquired
io      | evxfevnt-0175 [02] Enable                : Transition to ACPI mode successful
io      | evgpeblk-0523 [04] EvCreateGpeBlock      : GPE 00 to 0F [_GPE] 2 regs on int 0x9
io      | Completing Region/Field/Buffer/Package initialization:.....................................
io      | Initialized 9/9 Regions 2/2 Fields 21/21 Buffers 5/5 Packages (308 nodes)
io      | Initializing Device/Processor/Thermal objects by executing _INI methods:
io      | Executed 0 _INI methods requiring 1 _STA executions (examined 53 objects)
io      | ACPICA-Version:20121018, System in ACPI MODE, 32bit timer
io      | evgpeblk-0615 [03] EvInitializeGpeBlock  : Enabled 16 GPEs in this block
io      | IRQ     [00000000000000-00000000000000 1] none (32bit) (align=0 flags=40201)
io      | IRQ     [00000000000000-00000000000000 1] none (32bit) (align=0 flags=40201)
io      | rom/l4lx-x86.io:17.28-36: warning: could not find 'PNP0100'
io      | Ready. Waiting for request.
mag     | Hello from MAG
fb-drv  | Trying execution of ``set VBE mode'' using x86emu
fb-drv  | Found VESA BIOS version 3.0
fb-drv  | OEM SeaBIOS VBE(C) 2011
fb-drv  | VBE mode 0x117 successfully set.
fb-drv  | Framebuffer memory: phys: fc000000 - fc400000
fb-drv  |                     virt: 400000 - 800000
fb-drv  | Starting server loop
mag     | mapped frame buffer at 0x400000
mag     | View::Info:
mag     |   flags: 0
mag     |   size:  1024x768  pos: 0, 0
mag     |   bytes_per_line: 2048
mag     |   buffer_offset:  0
mag     |   RGBA(2): 5(11):6(5):5(0):0(0)
mag     |   memory 400000-800000
mag     | Plugin: Mag_client service started
mag     | Plugin: Frame-buffer service started
mag     | L4INPUT native mode activated
mag     | L4INPUT:                !!! W A R N I N G !!!
mag     | L4INPUT:  Please, do not use Fiasco's "-esc" with L4INPUT.
mag     | L4INPUT:                !!! W A R N I N G !!!
mag     | serio: i8042 AUX port at 0x60,0x64 irq 12
mag     | serio: i8042 KBD port at 0x60,0x64 irq 1
mag     | input: ImExPS/2 Generic Explorer Mouse on isa0060/serio1
mag     | input: AT Translated Set 2 keyboard on isa0060/serio0
mag     | connect "ImExPS/2 Generic Explorer Mouse", isa0060/serio1/input0
mag     | connect "AT Translated Set 2 keyboard", isa0060/serio0/input0
l4linux | PH  0 (t:        1) offs=00001000 vaddr=00400000 vend=006dc000
l4linux |                     phys=00400000 ephys=006dc000
l4linux |                     f_sz=002dc000 memsz=002dc000 flgs=r-x
l4linux | PH  1 (t:        1) offs=002dd000 vaddr=006dc000 vend=007d8000
l4linux |                     phys=006dc000 ephys=007d8000
l4linux |                     f_sz=00050f30 memsz=000fc000 flgs=rw-
l4linux | PH  2 (t:        4) offs=0023cd64 vaddr=0063bd64 vend=0063bd88
l4linux |                     phys=0063bd64 ephys=0063bd88
l4linux |                     f_sz=00000024 memsz=00000024 flgs=---
l4linux | Starting binary at 0x400000, argc=6 argv=0xafff4f90 *argv=0xb1007ff4 argv0=rom/vmlinuz
l4linux | External resolver is at 0xa8000730
l4linux | ======> L4Linux starting... <========
l4linux | Linux version 3.16.0-l4 (lhj@ubuntu) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #1 Tue May 26 16:58:34 CST 2015
l4linux | Binary name: rom/vmlinuz
l4linux | Linux kernel command line (5 args): mem=64M console=tty0 l4x_rd=rom/ramdisk-x86.rd root=1:0 ramdisk_size=4000
l4linux | CPU mapping (l:p)[1]: 0:0
l4linux | Image: 00400000 - 007d8000 [3936 KiB].
l4linux | Areas: Text:     00400000 - 006dc000 [2928kB] (a bit longer)
l4linux |        Data:     006dc000 - 00706ac0 [170kB]
l4linux |        Initdata: 00709000 - 0072d000 [144kB]
l4linux |        BSS:      0072e000 - 007c2000 [592kB]
l4linux | gs=43   fs=43
l4linux | Device scan:
l4linux |   Device: L4ICU
l4linux |   Device: PCI0
l4linux |   Device: pci_l4x[0000]
l4linux |     PORT: 0000c040 - 0000c04f
l4linux |     PORT: 000001f0 - 000001f7
l4linux |     PORT: 000003f6 - 000003f6
l4linux |     IRQ: 0000000e - 0000000e
l4linux |     PORT: 00000170 - 00000177
l4linux |     PORT: 00000376 - 00000376
l4linux |     IRQ: 0000000f - 0000000f
l4linux |   Device: pci_l4x[0001]
l4linux |     IRQ: 0000000b - 0000000b
l4linux |     MEM: febc0000 - febdffff
l4linux |     PORT: 0000c000 - 0000c03f
l4linux | Device scan done.
l4linux | l4x_fiasco_gdt_entry_offset = 9
l4linux | rtc not found
l4linux | WARNING: RTC server does not seem to be there!
l4linux | l4lx_thread_create: Created thread 417 (cpu0) (u:b3000e00, v:b3000c00, sp:006ddfac)
l4linux | main thread will be 417
l4linux | l4x_register_pointer_section: addr = 006dc000 size = 1032192
l4linux | section-with-init: Virt: 0x6dc000 to 0x7d7fff [1008 KiB]
l4linux | section-with-init: Phys: 0x0090f000 to 0x00a0afff, [1008 KiB]
l4linux | Main thread running, waiting...
l4linux | WARNING: Unknown wrmsr: 0000008b at 0x411f0d
l4linux | L4x: Memory size: 64MB
l4linux | L4x: Setting superpages for main memory
l4linux | L4x: Adjusted memory start: 00400000
l4linux |     Main memory: Virt: 0x800000 to 0x47fffff [65536 KiB]
l4linux |     Main memory: Phys: 0x03400000 to 0x073fffff, [65536 KiB]
l4linux | l4x: vmalloc area: 04800000 - 0c800000
l4linux | Filling lower ptabs...
l4linux | Done (1062 entries).
l4linux | l4x_register_pointer_section: addr = 00400000 size = 2998272
l4linux |            text: Virt: 0x400000 to 0x6dbfff [2928 KiB]
l4linux |            text: Phys: 0x00614000 to 0x008effff, [2928 KiB]
l4linux | Loading: rom/ramdisk-x86.rd
l4linux | INITRD: Size of RAMdisk is 3072KiB
l4linux | RAMdisk from 0c91b000 to 0cc1b000 [3072KiB]
l4linux | rtc not found
l4linux | l4lx_thread_create: Created thread 41f (timer0) (u:b3000a00, v:00000000, sp:0075bfa8)
l4linux | WARNING: Unknown wrmsr: 0000008b at 0x411f0d
l4linux | WARNING: Unknown rdmsr: 00000186 at 0x710579
l4linux | WARNING: Unknown rdmsr: 00000187 at 0x710579
l4linux | WARNING: Unknown wrmsr: 000000c1 at 0x71064a
mag     | Input: new pointer device (src='<Input_source userdata: 1D80C>' stream='userdata: 0x3abb4')
mag     |                            bus='i8042' vendor=0x2 product=0x6 version=0
mag     | Input: new keyboard device (src='<Input_source userdata: 1D80C>' stream='userdata: 0x3b358')
mag     |                            bus='i8042' vendor=0x1 product=0x1 version=43841

And I printed my screen. See attached png-file.

Thanks for any reply!