Dear,
Thanks for the answer.
So far I've managed to boot the "zImage-7400-ts11" kernel, provided on TS's
FTP, with the bootload command. I can boot that kernel once my card has booted
(FLASHBOOT) and chrooted into the YAFFS2 filesystem located on the NAND flash
rom, at /dev/mtdblock/3 (through the linuxrc-mtdroot script).
The command I use is:
bootload -c "console=ttyAM0,115200 root=/dev/mtdblock/3" zImage-7400-ts11
You can notice that I use console=ttyAM0 rather than console=/dev/ttyAM0, and
thanks to that little trick I'm able to see the kernel booting. However, it
hangs at the VFS part, saying:
VFS: Cannot open root device "mtdblock/3" or 1f:00
Please append a correct "root=" boot option
Kernel panic: VFS: Unable to mount root fs on 1f:00
So I suppose the root=/dev/mtdblock/3 argument is wrong, but I can't figure out
what to put there.
Also, this 'bootload' command partly works with the non-rt kernel, but with the
realtime kernel, I can't even see it booting, while I use the same command...
So that's strange...
Any thoughts?
Best regards,
Jeremie.
--- In "dokapra" <> wrote:
>
> I have very bad experience with bootload and setting console parameters. I am
> using 7260, and there is a hardware support for selecting different serial
> ports as a console. But, certain combinations of this jumper together with
> "console=..." setting made kernel freeze. It did however answer to ping from
> my host machine.
> Try to remove "console=/dev/ttyAM0,115200" part of parameter and see if it
> helps. You can test with ping to see if you have the same problem as I had.
> Seems to me that kernel gets stuck writing to console buffer, which never
> gets emptied for some reason.
>
> --- In "jeremie.chevalier" <jeremie.chevalier@>
> wrote:
> >
> > Hi folks,
> >
> > Any idea on this? Didn't someone encounter this problem in the past?
> >
> > Best regards,
> > Jeremie.
> >
> > PS: If I find the solution, I'll describe it here so that anyone that
> > encounters the problem in the future could be helped.
> >
> > --- In "jeremie.chevalier" <jeremie.chevalier@>
> > wrote:
> > >
> > > Dear all,
> > >
> > > I'm currently trying to load a real-time kernel on a TS-7400 and can't
> > > manage to have it working.
> > >
> > > The board computer I use is a stock TS-7400 with 2.4.26-ts11 kernel.
> > >
> > > I've downloaded the kernel image "vmlinux-7400-ts11-rt.bin" (2.4.26) from
> > > TS's FTP and simply put it in the root directory of the YAFFS2 NAND
> > > filesystem. I also downloaded the kernel modules for 2.4.26-ts11-rt (got
> > > from the FTP as well) and put them in /lib/modules/2.4.26-ts11-rt/.
> > >
> > > I'm trying to load the real-time kernel with the "bootload" command, but
> > > every time I try, it freezes. I'm not sure about the parameters to use,
> > > for example I tried the following:
> > >
> > > bootload -c "console=/dev/ttyAM0,115200 root=/dev/mtdblock/3" -r
> > > /dev/rd/0 /vmlinux-7400-ts11-rt.bin
> > >
> > > But this never works. I tried several values for the ramdisk, and for the
> > > "root=" parameter as well, but nothing seems to work. I don't want to use
> > > a SD card, I would just like to replace the current kernel
> > > (non-real-time) by the rt one, got from TS website.
> > >
> > > Any thoughts on how I could proceed?
> > >
> > > Best regards,
> > > Jeremie.
> > >
> >
>
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/ts-7000/join
(Yahoo! ID required)
<*> To change settings via email:
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|