how to install Genode on PC machine
Ivan Loskutov
loskutov.ivan at ...9...
Sun Apr 14 17:46:57 CEST 2013
Hi Yuqing,
I'll upload ipxe with my changes to Github in few days.
About hardcode address I've mean that I manually set loading address in
iPXE loader to bigest region of memory layout my PC. Because ipxe has
selected small region which has not enought space for my image.
--
Ivan Loskutov
2013/4/14 yuqing wang <happymoodmglm at ...9...>
> 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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>>
>
>
> ------------------------------------------------------------------------------
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
> http://www2.precog.com/precogplatform/slashdotnewsletter
> _______________________________________________
> Genode-main mailing list
> Genode-main at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/genode-main
>
>
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