It may be as simple as the AMBA (serial) driver not compiled into the kernel.
On Mon, May 11, 2009 at 2:13 PM, Matthieu Crapet <> wrote:
>
>
> Hi all,
>
> My 2.6.27 patches deals with DISCONTIGMEM memory model.
> Please take 2.6.28+ for having ARCH_SPARSEMEM, it's faster
> (benchmark posted some times ago on the list..)
>
> Matthieu
>
> Why guys are spending
>
> wrote:
>>
>>
>> Hi all,
>>
>> I am finding very helpful the information in this Group. But still I
>> am having problems installing 2.6.27.4 kernel on TS-7260. What I have
>> done is:
>>
>> - Install debian-sarge-udev-11-15-2007.tar.gz as the root file system
>> on a NFS unit.
>> - Donwload 2.6.27 kernel sources and apply
>> linux-2.6.27.4-ts-7200_matt-4.patch
>> - Generate compressed kernel image and kernel modules using
>> cross-compilation tool with gcc-4.1.0 and libc-2.3.2.
>> - Then, I copied the kernel modules into /lib/modules/2.6.27.4-matt/
>> folder on the NFS.
>>
>> Once I had all this, I went into redboot and load the kernel image
>> using http:
>> > load -v -r -b 0x00218000 -m http -h x.x.x.x zImage2.6.27.4
>>
>> Then I execute it with the command:
>> > exec -c "console=ttyAM0,115200 ip=dhcp
>> nfsroot=x.x.x.x:/home/magda/ts7260/nfsroot2.6"
>>
>> And sadly nothing happens....
>> The following message appears:
>>
>> "Using base address 0x00218000 and length 0x001c1af4"
>>
>> And then it stops for ever..
>>
>> If I try the kernel image for 2.6.21 provided by embeddedarm FTP then
>> it works perfectly but then when I try the kernel image generated by
>> myself for 2.6.27.4 it doesn´t. Could it be due to the
>> cross-compilation tool?
>>
>> Can anyone help me with this? I would really appreciate it.
>>
>> Thanks a million!
>> Magda
>>
>>
>
>
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