[syslinux] Convert ISOLINUX into PXELINUX

Mathieu Terrasson m.terrasson.linux at gmail.com
Wed Jun 25 01:04:41 PDT 2008


On Wed, Jun 25, 2008 at 10:01 AM, Mathieu Terrasson <frakson at gmail.com> wrote:
> On Tue, Jun 24, 2008 at 7:53 PM, H. Peter Anvin <hpa at zytor.com> wrote:
>> Ferenc Wagner wrote:
>>> "Mathieu Terrasson" <m.terrasson.linux at gmail.com> writes:
>>>
>>>> Actually i'm using PXELINUX, When I boot the SYPLINUX.GZ (extract from
>>>> the iso) I get this error :
>>>>
>>>> VFS: Cannit open root device "<NULL>" or unknown-block(3,5)
>>>> Please append a correct "root=" boot option
>>>> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(3,5)
>>>>
>>>> Is the error comes from PXELINUX configuation, or the image ?
>>>
>>> $ ls -l /dev/hda5
>>> brw-rw---- 1 root disk 3, 5 2008-06-12 15:07 /dev/hda5
>>>
>>> It's Linux trying to mount the root filesystem from the first hard
>>> disk.  I will have a hard time to do it over the network...  But (3,5)
>>> is rather strange to me, I know nothing about syplinux.
>>
>> It's probably whatever device the kernel was originally compiled on;
>> that ends up getting compiled into the kernel as a default.
>>
>>        -hpa
>>
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Thank you all for answering so fast =)
I tried your solution Gilles, but it not booted :)

So I think Peter is right and I will work on the image file, with the
excellent contrib of Jeff =)

I'll keep you aware ;)

Regards
mterasson




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