On Thu, October 19, 2006 1:11 pm, Jens Korth wrote:
> Dear Jim,
>
> I want a custom kernel because I need some other drivers for
> sound/graphics etc. And I hoped for some better performance when
> compiling for the specific processor (Pentium M).
>
> Anyway:
>
> I unpacked the initramfs.gz file.
> The IS an init file in the root directory.
> Very strange.
>
> Maybe the .config file for the kernel is not correct.
> Is there anything that could prevent the kernel from using the
> initramfs.gz file?
>
> I noticed that there is an entry "initramfs file" in the kernel options,
> but that is not what we need, isn't it?
No, that's an alternate way of providing an initramfs file. PXE handles
this for us.
Can you watch the screen, and see if the initramfs.gz is actually being
downloaded? It may happen pretty quickly, so you might not see it.
You could also view the system logs to see if you see multiple requests.
You may have to set tftpd to do more logging to see the individual
requests.
Maybe you could run tcpdump and/or Ethereal to watch the packets and see
if you see the file get downloaded by the client.
If you can't make sense of it, then try:
tcpdump -i eth0 -s 1520 -w /tmp/tcpdump.out host ws001
Adjust the 'eth0' to match your setup, and the 'ws001' to match your
workstation.
Once the workstation fails, then email the /tmp/tcpdump.out file to me (as
an attachment) and i'll take a look at it in ethereal to see what's going
on.
Jim McQuillan
[EMAIL PROTECTED]
>
> Any other idea?
>
> Jens
>
> Jim McQuillan wrote:
>> On Thu, October 19, 2006 12:22 pm, Jens Korth wrote:
>>
>>>Dear Jim,
>>>
>>>thank you for offering your help. Here is the information.
>>>
>>>-------------
>>>pxelinux.cfg/default: (I don't belive that the problem is here. If I
>>>take the ltsp pre-compiled kernel, the same file works fine...):
>>>
>>>
>>>prompt 0
>>>label linux
>>> kernel bzImage-2.6.17.8-ltsp-shuttle
>>> append rw root=/dev/ram0 initrd=initramfs.gz NIC=tg3
>>>--------
>>>
>>>Directory listing of the tftpboot directory which is used by dhcpd:
>>>
>>>
>>>/tftpboot/lts/2.6.17.8-ltsp-shuttle/:
>>>insgesamt 4348
>>>-rw-r--r-- 1 root root 1689510 19. Oct 00:30
>>> bzImage-2.6.17.8-ltsp-shuttle
>>>-rw-r--r-- 1 root root 2734887 19. Oct 00:30 initramfs.gz
>>>-rw-r--r-- 1 root root 11826 19. Oct 00:30 pxelinux.0
>>>drwxr-xr-x 2 root root 4096 19. Oct 00:30 pxelinux.cfg
>>>
>>>/tftpboot/lts/2.6.17.8-ltsp-shuttle/pxelinux.cfg:
>>>insgesamt 4
>>>-rw-r--r-- 1 root root 115 19. Oct 00:33 default
>>>
>>>-----------------------------
>>>
>>>All that seems ok to me ?! Maybe the initramfs.gz is not built correctly
>>>by the script?!
>>
>>
>>
>> well, I suppose it's possible. Lets take a look at the initramfs.gz
>>
>> It's a gzipped cpio file.
>>
>> So, try this:
>>
>> cd /tftpboot/2.6.17.8-ltsp-shuttle
>> mkdir initramfs
>> cd initramfs
>> gunzip <../initramfs.gz | cpio -ivmud
>>
>> This should result in the contents of the initramfs.gz file being dumped
>> into the initramfs directory. You should have a file called 'init'. If
>> you do, then maybe something's goofy with your kernel. But, didn't you
>> say you didn't change anything in the config?
>>
>> btw, why do you even want to build a custom kernel?
>>
>> Jim McQuillan
>> [EMAIL PROTECTED]
>>
>>
>>
>>>Thank you
>>>Jens
>>>
>>>
>>>
>>>Jim McQuillan wrote:
>>>
>>>>On Thu, October 19, 2006 10:05 am, Jens Korth wrote:
>>>>
>>>>
>>>>>Hello,
>>>>>
>>>>>I am trying to compile my own kernel for ltsp 4.2.
>>>>>
>>>>>I
>>>>>- installed the 2.6.17.8 kernel sources
>>>>>- installed the kernel kit
>>>>>- copied the 2.6.17.8 .config file from the kit to the kernel
>>>>> directory
>>>>>- run make oldconfig (but didn't change anything for the beginning)
>>>>>- changed "Extraversion" in the makefile
>>>>>- run "make, make modules, make modules_install"
>>>>>- run build_initramfs
>>>>>
>>>>>All that seems to run without problems. I get a new kernel with the
>>>>> pxe
>>>>>files etc. in the tftboot/lts directory, modules are installed into
>>>>>/opt/ltsp-4.2/i386/lib/modules/kernelname
>>>>>
>>>>>
>>>>>I then changed the dhcpd config to point to the new kernel.
>>>>>
>>>>>
>>>>>The kernel boots from pxe without any problem, but stops at the end
>>>>> with
>>>>>an error
>>>>>"Failed to execute /init"
>>>>>"Kernel panic - not syncing: No init found. Try passing init= option
>>>>> to
>>>>>kernel."
>>>>
>>>>
>>>>
>>>>Can you show us the pxelinux.cfg/default file that you are using?
>>>> Also,
>>>>a
>>>>listing of the directory where your kernel and initrd file reside might
>>>>help too:
>>>>
>>>> ls -lR /tftpboot/lts
>>>>
>>>>would be helpful.
>>>>
>>>>Jim McQuillan
>>>>[EMAIL PROTECTED]
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>>Any ideas what I missed?
>>>>>
>>>>>Thank you very much for your help.
>>>>>
>>>>>jens
>>>>>
>>>>>
>>>>>-------------------------------------------------------------------------
>>>>>Using Tomcat but need to do more? Need to support web services,
>>>>>security?
>>>>>Get stuff done quickly with pre-integrated technology to make your job
>>>>>easier
>>>>>Download IBM WebSphere Application Server v.1.0.1 based on Apache
>>>>>Geronimo
>>>>>http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
>>>>>_____________________________________________________________________
>>>>>Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto:
>>>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>>>>>For additional LTSP help, try #ltsp channel on irc.freenode.net
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>>-------------------------------------------------------------------------
>>>>Using Tomcat but need to do more? Need to support web services,
>>>>security?
>>>>Get stuff done quickly with pre-integrated technology to make your job
>>>>easier
>>>>Download IBM WebSphere Application Server v.1.0.1 based on Apache
>>>>Geronimo
>>>>http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
>>>>_____________________________________________________________________
>>>>Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto:
>>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>>>>For additional LTSP help, try #ltsp channel on irc.freenode.net
>>>
>>>
>>>--
>>>Best regards / Mit freundlichen Grüßen / Cordialement
>>>
>>>Jens Korth, Managing Director
>>>--------------------------------
>>>www.airport-information.com
>>>Albatross World Airports and Suppliers Database
>>>
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>>>-----END PGP PUBLIC KEY BLOCK-----
>>>
>>>
>>>-------------------------------------------------------------------------
>>>Using Tomcat but need to do more? Need to support web services,
>>> security?
>>>Get stuff done quickly with pre-integrated technology to make your job
>>>easier
>>>Download IBM WebSphere Application Server v.1.0.1 based on Apache
>>> Geronimo
>>>http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
>>>_____________________________________________________________________
>>>Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto:
>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>>>For additional LTSP help, try #ltsp channel on irc.freenode.net
>>>
>>
>>
>>
>>
>> -------------------------------------------------------------------------
>> Using Tomcat but need to do more? Need to support web services,
>> security?
>> Get stuff done quickly with pre-integrated technology to make your job
>> easier
>> Download IBM WebSphere Application Server v.1.0.1 based on Apache
>> Geronimo
>> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
>> _____________________________________________________________________
>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto:
>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
>> For additional LTSP help, try #ltsp channel on irc.freenode.net
>
>
> --
> Best regards / Mit freundlichen Grüßen / Cordialement
>
> Jens Korth, Managing Director
> --------------------------------
> www.airport-information.com
> Albatross World Airports and Suppliers Database
>
> Protect the privacy of your messages!
> Email us your public PGP key and
> encrypt your emails using my key:
> -----BEGIN PGP PUBLIC KEY BLOCK-----
> Version: GnuPG v1.4.2 (GNU/Linux)
>
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>
-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_____________________________________________________________________
Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto:
https://lists.sourceforge.net/lists/listinfo/ltsp-discuss
For additional LTSP help, try #ltsp channel on irc.freenode.net
