Setting up network in L4Linux

Nourhan Mohamed nourhan.abdeltawab at gmail.com
Wed Jan 20 18:22:28 CET 2016


I have been trying to configure *L4Linux *to connect to the internet
through *L4Re/Fiasco.OC*. I am using *qemu *on a *Versatile Express*
Machine with *Cortex-A15* cpu. Below is my current configuration:

*L4re-snapsot:* l4re-snapshot-2015123115

*obj/l4/arm-ca/conf/Makeconf.boot:*
MODULE_SEARCH_PATH=/home/nour/l4re/obj/fiasco/arm-mp-rv-a9-vexpress:/home/nour/l4re/obj/l4linux/arm-mp:/home/nour/l4re/files:/home/nour/l4re/files/cfg:/home/nour/l4re/src/l4/conf:/home/nour/l4re/src/l4/conf/examples
QEMU_OPTIONS += -M vexpress-a15 -cpu cortex-a15 -smp 4
QEMU_OPTIONS += -m 256 -serial stdio
QEMU_OPTIONS += -net nic,model=lan9118 -net user
PLATFORM_TYPE := rv_vexpress

*l4re/files/cfg/arm-rv.devs:*
-- vim:set ft=lua:

local Res = Io.Res
local Hw = Io.Hw

Io.hw_add_devices(function()
  NIC = Hw.Device(function()
    Property.hid = "smc91x";
    compatible = {"smsc,lan9118"};
    Resource.regs = Res.mmio(0x10030000, 0x10030fff);
    Resource.irq = Res.irq(60);
  end);

  virtio_mmio3 = Hw.Device(function()
    compatible = {"virtio,mmio"};
    Resource.mem = Res.mmio(0x10013600, 0x100137ff);
    Resource.irq = Res.irq(75);
  end);

  CTRL = Hw.Device(function()
    Property.hid = "System Control";
    Resource.regs = Res.mmio(0x10000000, 0x10000fff);
  end);

  clcd = Hw.Device(function()
    Property.hid = "AMBA PL110";
    compatible = {"arm,pl111","arm,primecell"};
    Resource.regs = Res.mmio(0x10020000, 0x10020fff);
  end);

  kmi0 = Hw.Device(function()
    compatible = {"arm,pl050","arm,primecell"};
    Resource.regs = Res.mmio(0x10006000, 0x10006fff);
    Resource.irq = Res.irq(44);
  end);

  kmi1 = Hw.Device(function()
    compatible = {"arm,pl050","arm,primecell"};
    Resource.regs = Res.mmio(0x10007000, 0x10007fff);
    Resource.irq = Res.irq(45);
  end);
end)

*src/l4/conf/examples/l4lx-vbus.io <http://l4lx-vbus.io>:*
local hw = Io.system_bus();

Io.add_vbus("l4linux", Io.Vi.System_bus
{
  NIC = wrap(hw:match("smsc,lan9118"));
})

src/l4/conf/examples/l4lx-net.cfg:
-- vim:set ft=lua:

local L4 = require("L4");
local lxname = "vmlinuz";

loader = L4.default_loader;

vbus_l4linux = loader:new_channel();
local shmns = loader:create_namespace({shm = "ipctest"});

local cons = L4.default_loader:new_channel();
L4.default_loader:start(
  { caps = { cons = cons:svr() },
  log = L4.Env.log, },
  "rom/cons -k -a"
  );

L4.default_loader.log_fab = cons;

loader:start(
  { caps = {
      sigma0  =
L4.cast(L4.Proto.Factory,L4.Env.sigma0):create(L4.Proto.Sigma0);
      icu     = L4.Env.icu;
      l4linux = vbus_l4linux:svr();
     },
     log = {"IO", "magenta"},
  }, "rom/io -vvv rom/arm-ve.devs rom/l4lx-vbus.io");

loader:start(
  { caps = {
      shmns = shmns:mode("rw"),
      vbus = vbus_l4linux;
    },
    l4re_dbg = L4.Dbg.Warn,
    log = {"l4linux", "cyan", "key=1"},
  },
"rom/" .. lxname .. " mem=64M console=ttyLv0 l4x_rd=rom/ramdisk-" ..
L4.Info.arch() .. ".rd root=1:0 rw ramdisk_size=4000
l4shmnet.add=shmns,macpart=1");

*src/l4/conf/modules.list:*
entry L4Linux-net
roottask moe rom/l4lx-net.cfg
module l4lx-net.cfg
module l4re
module ned
module io
module cons
module l4lx-vbus.io
module arm-ve.devs
module vmlinuz
module[perl] "ramdisk-$ENV{ARCH}.rd"

*Run:*
L4 Bootstrapper
  Build: #4 Mi 20. Jan 18:13:56 CET 2016, 4.7.3
  Scanning up to 256 MB RAM, starting at offset 32MB
  Memory size is 256MB (80000000 - 8fffffff)
  RAM: 0000000080000000 - 000000008fffffff: 262144kB
  Total RAM: 256MB
  Scanning fiasco
  Scanning sigma0
  Scanning moe
  Moving up to 13 modules behind 81100000
  moving module 02 { 81a7c000-81aad49f } -> { 81b6c000-81b9d49f } [201888]
  moving module 01 { 81a6a000-81a7b33b } -> { 81b5a000-81b6b33b } [70460]
  moving module 00 { 819d8000-81a69ebb } -> { 81ac8000-81b59ebb } [597692]
  moving module 12 { 816d8000-819d7fff } -> { 817c8000-81ac7fff } [3145728]
  moving module 11 { 81256000-816d747b } -> { 81346000-817c747b } [4723836]
  moving module 10 { 81255000-81255446 } -> { 81345000-81345446 } [1095]
  moving module 09 { 81254000-8125415d } -> { 81344000-8134415d } [350]
  moving module 08 { 81222000-81253823 } -> { 81312000-81343823 } [202788]
  moving module 07 { 811f8000-81221623 } -> { 812e8000-81311623 } [169508]
  moving module 06 { 81085000-811f761b } -> { 81175000-812e761b } [1517084]
  moving module 05 { 8102b000-81084693 } -> { 8111b000-81174693 } [366228]
  moving module 04 { 81011000-8102a463 } -> { 81101000-8111a463 } [103524]
  moving module 03 { 81010000-810103cb } -> { 81100000-811003cb } [972]
  Loading fiasco
  Loading sigma0
  Loading moe
  find kernel info page...
  found kernel info page at 0x80002000
Regions of list 'regions'
    [ 80000000,  800001bf] {      1c0} Root   mbi_rt
    [ 80001000,  80001b7f] {      b80} Kern   fiasco
    [ 80002000,  8009ffff] {    9e000} Kern   fiasco
    [ 800c0000,  800c9f6b] {     9f6c} Sigma0 sigma0
    [ 800d0000,  800d6177] {     6178} Sigma0 sigma0
    [ 80140000,  80169457] {    29458} Root   moe
    [ 80170000,  80176ff3] {     6ff4} Root   moe
    [ 81000000,  8100f5df] {     f5e0} Boot   bootstrap
    [ 81100000,  81ac7fff] {   9c8000} Root   Module
  API Version: (87) experimental
  Sigma0 config    ip:800c0100 sp:00000000
  Roottask config  ip:80140260 sp:00000000
  Starting kernel fiasco at 80001374
Realview System ID: Rev=1 HBI=190 Build=f Arch=5 FPGA=00
Hello from Startup::stage2
Per_cpu_data_alloc: (orig: 0xf008f010-0xf008f5d8)
Number of IRQs available at this GIC: 160
FPU0: Arch: VFPv4(4), Part: VFPv3(30), r: 0, v: f, i: 41, t: hard, p:
dbl/sngl
ARM generic timer: freq=62500000 interval=62500 cnt=10064946
SERIAL ESC: allocated IRQ 37 for serial uart
Not using serial hack in slow timer handler.
Welcome to L4/Fiasco.OC!
L4/Fiasco.OC microkernel on arm
Rev: unknown compiled with gcc 4.7.3   []
Build: #1 Wed Jan 20 17:27:17 CET 2016

Per_cpu_data_alloc: (orig: 0xf008f010-0xf008f5d8)
Allocate 1480 bytes (1KB) for CPU[9] local storage (offset=13557f0,
0xf13e4800-0xf13e4dc8)
Number of CPUs: 1
Per_cpu_data_alloc: (orig: 0xf008f010-0xf008f5d8)
Allocate 1480 bytes (1KB) for CPU[1] local storage (offset=115b7f0,
0xf11ea800-0xf11eadc8)
FPU1: Arch: VFPv4(4), Part: VFPv3(30), r: 0, v: f, i: 41, t: hard, p:
dbl/sngl
Per_cpu_data_alloc: (orig: 0xf008f010-0xf008f5d8)
Allocate 1480 bytes (1KB) for CPU[2] local storage (offset=115eff0,
0xf11ee000-0xf11ee5c8)
FPU2: Arch: VFPv4(4), Part: VFPv3(30), r: 0, v: f, i: 41, t: hard, p:
dbl/sngl
Cache config: ON
ID_PFR[01]:  00001131 00011011 ID_[DA]FR0: 02010555 00000000
ID_MMFR[04]: 10201105 20000000 01240000 02102211
CPU[2]: goes to idle loop
Per_cpu_data_alloc: (orig: 0xf008f010-0xf008f5d8)
Allocate 1480 bytes (1KB) for CPU[3] local storage (offset=1161ff0,
0xf11f1000-0xf11f15c8)
FPU3: Arch: VFPv4(4), Part: VFPv3(30), r: 0, v: f, i: 41, t: hard, p:
dbl/sngl
Calibrating timer loop... Cache config: ON
ID_PFR[01]:  00001131 00011011 ID_[DA]FR0: 02010555 00000000
ID_MMFR[04]: 10201105 20000000 01240000 02102211
CPU[1]: goes to idle loop
Cache config: ON
ID_PFR[01]:  00001131 00011011 ID_[DA]FR0: 02010555 00000000
ID_MMFR[04]: 10201105 20000000 01240000 02102211
CPU[3]: goes to idle loop
done.
MDB: use page size: 20
MDB: use page size: 12
SIGMA0: Hello!
  KIP @ 80002000
  allocated 4KB for maintenance structures
SIGMA0: Dump of all resource maps
RAM:------------------------
[4:80000000;80000fff]
[0:800a0000;800bffff]
[0:800ca000;800cffff]
[0:800d7000;8013ffff]
[4:80140000;80169fff]
[0:8016a000;8016ffff]
[4:80170000;80176fff]
[0:80177000;810fffff]
[4:81100000;81ac7fff]
[0:81ac8000;8effffff]
IOMEM:----------------------
[0:0;7fffffff]
[0:90000000;ffffffff]
MOE: Hello world
MOE: found 234840 KByte free memory
MOE: found RAM from 80000000 to 8f000000
MOE: allocated 240 KByte for the page array @0x800d7000
MOE: virtual user address space [0-bfffffff]
MOE: rom name space cap -> [C:103000]
  BOOTFS: [81100000-811003cc] [C:105000] l4lx-net.cfg
  BOOTFS: [81101000-8111a464] [C:107000] l4re
  BOOTFS: [8111b000-81174694] [C:109000] ned
  BOOTFS: [81175000-812e761c] [C:10b000] io
  BOOTFS: [812e8000-81311624] [C:10d000] fb-drv
  BOOTFS: [81312000-81343824] [C:10f000] cons
  BOOTFS: [81344000-8134415e] [C:111000] l4lx-vbus.io
  BOOTFS: [81345000-81345447] [C:113000] arm-ve.devs
  BOOTFS: [81346000-817c747c] [C:115000] vmlinuz
  BOOTFS: [817c8000-81ac8000] [C:117000] ramdisk-arm.rd
MOE: cmdline: moe rom/l4lx-net.cfg
MOE: Starting: rom/ned rom/l4lx-net.cfg
MOE: loading 'rom/ned'
Ned says: Hi World!
Ned: loading file: 'rom/l4lx-net.cfg'
Console Server
cons>
Created vcon channel: IO [41f000]
cons>
Created vcon channel: l4linux [420000]
cons>
IO      | Io service
IO      | Verboseness level: 4
IO      | unused physical memory space:
IO      |   [00000000000000-0000007fffffff]
IO      |   [00000090000000-000000ffffffff]
IO      | no 'iommu' capability found use CPU-phys for DMA
IO      | Loading: config 'rom/arm-ve.devs'
IO      | Loading: config 'rom/l4lx-vbus.io'
IO      | Real Hardware -----------------------------------
IO      | System Bus: hid=
IO      |   Resources: ==== start ====
IO      |   DMADOM  [00000000000000-00000000000000 1] non-pref (32bit)
(align=0 flags=6)
IO      |   Resources: ===== end =====
IO      |   virtio_mmio3: hid=
IO      |     Resources: ==== start ====
IO      |     IRQ     [0000000000004b-0000000000004b 1] none (32bit)
(align=0 flags=1)
IO      |     IOMEM   [00000010013600-000000100137ff 200] non-pref (32bit)
(align=1ff flags=2)
IO      |     Resources: ===== end =====
IO      |   clcd: hid=AMBA PL110
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000010020000-00000010020fff 1000] non-pref (32bit)
(align=fff flags=2)
IO      |     Resources: ===== end =====
IO      |   kmi0: hid=
IO      |     Resources: ==== start ====
IO      |     IRQ     [0000000000002c-0000000000002c 1] none (32bit)
(align=0 flags=1)
IO      |     IOMEM   [00000010006000-00000010006fff 1000] non-pref (32bit)
(align=fff flags=2)
IO      |     Resources: ===== end =====
IO      |   kmi1: hid=
IO      |     Resources: ==== start ====
IO      |     IRQ     [0000000000002d-0000000000002d 1] none (32bit)
(align=0 flags=1)
IO      |     IOMEM   [00000010007000-00000010007fff 1000] non-pref (32bit)
(align=fff flags=2)
IO      |     Resources: ===== end =====
IO      |   NIC: hid=smc91x
IO      |     Clients: ===== start ====
IO      |       NIC: [N2Vi9Proxy_devE]
IO      |     Clients: ===== end ====
IO      |     Resources: ==== start ====
IO      |     IRQ     [0000000000003c-0000000000003c 1] none (32bit)
(align=0 flags=1)
IO      |     IOMEM   [00000010030000-00000010030fff 1000] non-pref (32bit)
(align=fff flags=2)
IO      |     Resources: ===== end =====
IO      |   CTRL: hid=System Control
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000010000000-00000010000fff 1000] non-pref (32bit)
(align=fff flags=2)
IO      |     Resources: ===== end =====
IO      | warning: could not register control interface at cap
'platform_ctl'
IO      | Ready. Waiting for request.
l4linux | PH  0 (t:        1) offs=00008000 vaddr=02000000 vend=0252b724
l4linux |                     phys=02000000 ephys=0252b724
l4linux |                     f_sz=004655df memsz=0052b724 flgs=rwx
l4linux | PH  1 (t:        4) offs=004077b0 vaddr=023ff7b0 vend=023ff7d4
l4linux |                     phys=023ff7b0 ephys=023ff7d4
l4linux |                     f_sz=00000024 memsz=00000024 flgs=r-x
l4linux | PH  2 (t: 1685382481) offs=00000000 vaddr=00000000 vend=00000000
l4linux |                     phys=00000000 ephys=00000000
l4linux |                     f_sz=00000000 memsz=00000000 flgs=rwx
l4linux | Starting binary at 0x2001338, argc=8 argv=0xafff4f84
*argv=0xb1007ff4 argv0=rom/vmlinuz
l4linux | External resolver is at 0xa800079c
l4linux | ======> L4Linux starting... <========
l4linux | Linux version 4.3.0-l4 (nour at nour-vb) (gcc version 4.7.3
(Ubuntu/Linaro 4.7.3-12ubuntu1) ) #1 SMP Wed Jan 20 17:53:39 CET 2016
l4linux | Binary name: rom/vmlinuz
l4linux |    This is an AEABI build.
l4linux | Linux kernel command line (7 args): mem=64M console=ttyLv0
l4x_rd=rom/ramdisk-arm.rd root=1:0 rw ramdisk_size=4000
l4shmnet.add=shmns,macpart=1
l4linux | CPU mapping (l:p)[1]: 0:0
l4linux | Image: 020000a0 - 02600000 [6143 KiB].
l4linux | Areas: Text:     020000a0 - 023ff7d4 [4093kB]
l4linux |        RO-Data:  0233f000 - 023e2000 [652kB]
l4linux |        Data:     02438000 - 02460fe0 [163kB]
l4linux |        Init:     02400000 - 02438000 [224kB]
l4linux |        BSS:      024655df - 0252b724 [792kB]
l4linux | Device scan:
l4linux |   Device: L4ICU
l4linux |   Device: NIC
l4linux |     IRQ: 0000003c - 0000003c
l4linux |     MEM: 10030000 - 10030fff
l4linux | Device scan done.
l4linux | l4lx_thread_create: Created thread 41d (cpu0) (u:b3000e00,
v:b3000c00, sp:02439fa4)
l4linux | main thread will be 41d
l4linux | section-with-init(-data): Virt: 0x2000000 to 0x252b723 [5293 KiB]
l4linux | section-with-init(-data): Phys: 0x801a9000 to 0x806d4723, [5293
KiB]
l4linux | section-with-init-text: Virt: 0x2000000 to 0x252b723 [5293 KiB]
l4linux | section-with-init-text: Phys: 0x801a9000 to 0x806d4723, [5293 KiB]
l4linux | Main thread running, waiting...
l4linux | L4x: Memory size: 64MB
l4linux | L4x: Setting superpages for main memory
l4linux | L4x: Adjusted memory start: 02000000
l4linux |     Main memory: Virt: 0x2600000 to 0x65fffff [65536 KiB]
l4linux |     Main memory: Phys: 0x81c00000 to 0x85bfffff, [65536 KiB]
l4linux | l4x: vmalloc area: 06600000 - 0e600000
l4linux |            text: Virt: 0x2000000 to 0x252b723 [5293 KiB]
l4linux |            text: Phys: 0x801a9000 to 0x806d4723, [5293 KiB]
l4linux | Loading: rom/ramdisk-arm.rd
l4linux | INITRD: Size of RAMdisk is 3072KiB
l4linux | RAMdisk from 00002000 to 00302000 [3072KiB]
l4linux | l4lx_thread_create: Created thread 423 (timer0) (u:b3000a00,
v:00000000, sp:024bffa0)
l4linux | Booting Linux on physical CPU 0x0
l4linux | Linux version 4.3.0-l4 (nour at nour-vb) (gcc version 4.7.3
(Ubuntu/Linaro 4.7.3-12ubuntu1) ) #1 SMP Wed Jan 20 17:53:39 CET 2016
l4linux | CPU: Fiasco [412fc0f1] revision 1 (ARMv7), cr=00400000
l4linux | CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
l4linux | Machine: L4
l4linux | Ignoring unrecognised tag 0x00000000
l4linux | Memory policy: Data cache writealloc
l4linux | INITRD: 00002000 - 00302000
l4linux | PERCPU: Embedded 9 pages/cpu @0651f000 s12864 r0 d24000 u36864
l4linux | Built 1 zonelists in Zone order, mobility grouping on.  Total
pages: 17716
l4linux | Kernel command line: mem=64M console=ttyLv0
l4x_rd=rom/ramdisk-arm.rd root=1:0 rw ramdisk_size=4000
l4shmnet.add=shmns,macpart=1
l4linux | PID hash table entries: 512 (order: -1, 2048 bytes)
l4linux | Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
l4linux | Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
l4linux | Memory: 64764K/71680K available (3441K kernel code, 163K rwdata,
652K rodata, 224K init, 792K bss, 6916K reserved, 0K cma-reserved)
l4linux | Virtual kernel memory layout:
l4linux |     vector  : 0xbffff000 - 0xc0000000   (   4 kB)
l4linux |     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
l4linux |     vmalloc : 0x06600000 - 0x0e600000   ( 128 MB)
l4linux |     lowmem  : 0x00000000 - 0x06600000   ( 102 MB)
l4linux |       .text : Virtual kernel memory layout:
l4linux |     vector  : 0xbffff000 - 0xc0000000   (   4 kB)
l4linux |     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
l4linux |     vmalloc : 0x06600000 - 0x0e600000   ( 128 MB)
l4linux |     loHierarchical RCU implementation.
l4linux |     Build-time adjustment of leaf fanout to 32.
l4linux |     RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
l4linux | RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=1
l4linux | NR_IRQS:282
l4linux | clocksource: l4kipclk: mask: 0xffffffffffffffff max_cycles:
0x1d854df40, max_idle_ns: 3526361616960 ns
l4linux | l4timer: Using IRQ210
l4linux | sched_clock: 64 bits at 1000kHz, resolution 1000ns, wraps every
2199023255500ns
l4linux | Console: colour dummy device 80x30
l4linux | console [ttyLv0] enabled
l4linux | Calibrating delay loop... 410.41 BogoMIPS (lpj=2052096)
l4linux | pid_max: default: 32768 minimum: 301
l4linux | Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
l4linux | Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
l4linux | CPU: Testing write buffer coherency: ok
l4linux | CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
l4linux | Setting up static identity map for 0x20000a0 - 0x20000a0
l4linux | Brought up 1 CPUs
l4linux | SMP: Total of 1 processors activated (410.41 BogoMIPS).
l4linux | CPU: All CPU(s) started in SVC mode.
l4linux | VFP support v0.3: implementor 41 architecture 4 part 30 variant f
rev 0
l4linux | clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 19112604462750000 ns
l4linux | NET: Registered protocol family 16
l4linux | DMA: preallocated 256 KiB pool for atomic coherent allocations
l4linux | Added static device 'L4ICU' with 0 resources.
l4linux | Added static device 'NIC' with 2 resources.
l4linux | l4vbus: is running
l4linux | L4IRQ: set irq type of 212 to 1
l4linux | l4vbus-root :l4vbus-root:0: added vbus root driver
l4linux | clocksource: Switched to clocksource l4kipclk
l4linux | NET: Registered protocol family 2
l4linux | TCP established hash table entries: 1024 (order: 0, 4096 bytes)
l4linux | TCP bind hash table entries: 1024 (order: 1, 8192 bytes)
l4linux | TCP: Hash tables configured (established 1024 bind 1024)
l4linux | UDP hash table entries: 256 (order: 1, 8192 bytes)
l4linux | UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
l4linux | NET: Registered protocol family 1
l4linux | RPC: Registered named UNIX socket transport module.
l4linux | RPC: Registered udp transport module.
l4linux | RPC: Registered tcp transport module.
l4linux | RPC: Registered tcp NFSv4.1 backchannel transport module.
l4linux | Trying to unpack rootfs image as initramfs...
l4linux | rootfs image is not initramfs (junk in compressed archive); looks
like an initrd
l4linux | INITRD: Freeing memory.
l4linux | Hi from the sample module
l4linux | sample module: Also a warm welcome to the console
l4linux | l4x: Checks passed.
l4linux | NetWinder Floating Point Emulator V0.97 (double precision)
l4linux | futex hash table entries: 256 (order: 2, 16384 bytes)
l4linux | NFS: Registering the id_resolver key type
l4linux | Key type id_resolver registered
l4linux | Key type id_legacy registered
l4linux | jitterentropy: Initialization failed with host not compliant with
requirements: 2
l4linux | io scheduler noop registered
l4linux | io scheduler deadline registered
l4linux | io scheduler cfq registered (default)
l4linux | l4fb.0: looking for capability 'fb' as goos session
l4linux | l4fb.0: init failed err=-2
l4linux | could not allocate fb device: fb
l4linux | L4 serial driver
l4linux | serial-ttyLv.0: ttyLv0 at MMIO 0x1 (irq = 211, base_baud =
230400) is a L4-vcon
l4linux | l4ser_shm: L4 shared mem serial driver
l4linux | l4cdds: No name given, not starting.
l4linux | brd: module loaded
l4linux | l4bdds: No name given, not starting.
l4linux | PPP generic driver version 2.4.2
l4linux | NET: Registered protocol family 24
l4linux | shmns: Requesting, Shmsize 1024 Kbytes
l4linux | mousedev: PS/2 mouse device common for all mice
l4linux | NET: Registered protocol family 17
l4linux | Key type dns_resolver registered
l4linux | Registering SWP/SWPB emulation handler
l4linux | L4IRQ: set irq type of 211 to 1
l4linux | RAMDISK: ext2 filesystem found at block 0
l4linux | RAMDISK: Loading 3072KiB [1 disk] into ram disk... done.
l4linux | EXT4-fs (ram0): couldn't mount as ext3 due to feature
incompatibilities
l4linux | EXT4-fs (ram0): mounting ext2 file system using the ext4 subsystem
l4linux | EXT4-fs (ram0): mounted filesystem without journal. Opts: (null)
l4linux | VFS: Mounted root (ext2 filesystem) on device 1:0.
l4linux | Freeing unused kernel memory: 224K (02400000 - 02438000)
l4linux |
l4linux | Please press Enter to activate this console.

However once I enter the console, ifconfig command displays no up
interfaces. /proc/net/dev file indicates eth0 and lo available and I can
run "*ifconfig eth0 up*" successfully. I configure a static IP using ip
command but can't get any connection to my host machine. Also, adding
*ip=dhcp* to the l4lx-net.cfg file in the start configuration of L4Linux
fails with:

l4linux | Waiting up to 110 more seconds for network.
...
l4linux | Sending DHCP requests ...... timed out!
l4linux | IP-Config: Retrying forever (NFS root)...

I hope you can help me with that. Thanks in advance:
Best Regards,
Nourhan
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