how to install Genode on PC machine

[yuqing wang]

Hi,
Can you tell me the details about how to use iPXE for boot l4linux.I browse
the webpage of iPXE, can only find a useful example of network-booting
windows PE.
I conclude the process of booting windows PE in three steps
step 1:  move the kernal and module files to a directory on the web server
step 2:  create a file named boot.ipxe in the same directory, the content
of the file is a little like menu.lst in Grub

  #!ipxe

  cpuid --ext 29 && set arch amd64 || set arch x86
  kernel wimboot
  initrd ${arch}/media/bootmgr                     bootmgr
  initrd ${arch}/media/Boot/BCD                    BCD
  initrd ${arch}/media/Boot/Fonts/segmono_boot.ttf segmono_boot.ttf
  initrd ${arch}/media/Boot/Fonts/segoe_slboot.ttf segoe_slboot.ttf
  initrd ${arch}/media/Boot/Fonts/wgl4_boot.ttf    wgl4_boot.ttf
  initrd ${arch}/media/Boot/boot.sdi               boot.sdi
  initrd ${arch}/media/sources/boot.wim            boot.wim
  boot

step 3: in client uses the iPXE command to boot from server. maybe :  #>
chain http://myserver/ipxe/boot.ipxe
I not sure if i can use the same way to boot l4linux.

>Memory is not continious.  And Genode's memory manager has strange
behavior with this. May be people from Genode can help with this.
>I've temporary solve this issue via hardcode start loading adress to
0x40200000 in iPXE multiboot loader. And I've modify bootstrap modaddr to
0x80000000.
I know 'bootstrap modaddr' sentence is in the menu.lst where i can modify
it .I don't understand the meaning of "hardcode start loading adress to
0x40200000 in iPXE multiboot loader"


2013/4/10 Ivan Loskutov <loskutov.ivan at ...9...>

>
> 2013/4/10 yuqing wang <happymoodmglm at ...9...>
>
>> I downgrade qemu,fedora can start now.
>> But fedora can not connect to the internet in qemu,it is strange.The log
>> file is attached.
>>
> For connect to the internet you need configure ethernet in l4linux. I
> didn't do auto configuration in this rootfs. Try do:
> ifconfig eth0 up
> dhclient eth0& - if you use dhcp server in your network.
>
>
>
>> My research is based on the network of l4linux running on real machine,I
>> think if i have a try of your experiment about network performance of
>> l4linux ,it would help me a lot.
>>  My PC hardware:
>> motherboard:        Intel Q77
>> CPU:                     Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
>> Ethernet:               intel 82579LM
>> RAM:                     4G
>> I burn the fedora.iso in a cd,try to run it on my PC,but the l4linux
>> hangs,show these message:
>>
>> [ 60.001054]INFO:rcu_sched detected stalls on CPUs/tasks: { 1} (detected
>> by 0, t= 6002 jiffies)
>> [ 60.001657]INFO:Stall ended before state dump start
>> [ 236.893706]INFO:rcu_sched detected stalls on CPUs/tasks: { 1} (detected
>> by 0, t= 24007 jiffies)
>> [ 236.894303]INFO:Stall ended before state dump start
>> [ 413.786348]INFO:rcu_sched detected stalls on CPUs/tasks: { 1} (detected
>> by 0, t= 42012 jiffies)
>> [ 413.786943]INFO:Stall ended before state dump start
>> [ 590.678987]INFO:rcu_sched detected stalls on CPUs/tasks: { 1} (detected
>> by 0, t= 60017 jiffies)
>> [ 590.679596]INFO:Stall ended before state dump start
>>
>> I am not sure whether it's something wrong during my build process or my
>> hardware don't fit the l4linux.
>> Could you make your fedora.iso file available on net ,so i can download
>> and have a try .I think this would help me to find where is wrong.
>>
> I have issues with boot on real hardware too. I've tried use Grub 1, Grub
> 2 and iPXE for boot.
> My target PC has memory layout different from qemu, this part of log l4
> bootstraper from my PC:
>
> Limiting RAM region   [ bce73000,  bcffffff] {   18d000} to   [ bce73000,
>  bcffffff] {   18d000} due to 3024 MB limit
>   Dropping RAM region   [100000000, 23e5fffff] {13e600000} due to 3024 MB
> limit
>   RAM: 0000000000000000 - 000000000009ebff: 635kB
>   RAM: 0000000000100000 - 000000001fffffff: 523264kB
>   RAM: 0000000020200000 - 000000003fffffff: 522240kB
>   RAM: 0000000040200000 - 00000000bbd36fff: 2026716kB
>   RAM: 00000000bcde8000 - 00000000bcde8fff: 4kB
>   RAM: 00000000bce73000 - 00000000bcffffff: 1588kB
>
> Memory is not continious.  And Genode's memory manager has strange
> behavior with this. May be people from Genode can help with this.
> I've temporary solve this issue via hardcode start loading adress to
> 0x40200000 in iPXE multiboot loader. And I've modify bootstrap modaddr to
> 0x80000000.
> With these changes I can boot PC but have only 2G memory for using. I
> don't try to understand how to work it yet. I'm going to prepare more
> information and open issue on Genode's bug tracker.
>
> Maybe you have the same issue for your hardware.
>
>
>
> --
> Ivan Loskutov
>
>
>
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