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-   -   N900 rescue OS - testing release (https://talk.maemo.org/showthread.php?t=75369)

p24 2013-01-12 02:34
Re: N900 rescue OS - testing release
 
Hi,
just wanted to say THANK YOU for writing this tool. It just saved all my data after I've dropped my phone and touch screen stopped working.

P.

onil 2013-03-09 22:38
Re: N900 rescue OS - testing release
 
Hi,
I knew meego rescue initrd but hadn't enough battery to run it, I tryed for hours messing with ubifs from nemo mobile but only got a read-only mount of rootfs. Now thanks to your rescueOS I could fix my N900.
So you deserve a HUGE THANK YOU!
I will keep your tool in a safe place as it could certainly help me again.

NIN101 2013-03-23 22:24
Re: N900 rescue OS - testing release
 
RescueOS 1.0 is now online.

Quote:
Originally Posted by CHANGELOG
1.0 2013-03-23
==============
-Using buildroot now to create the rootfs.
-updated userspace tools(e. g. busybox).
-glibc replaced with uclibc and everything recompiled against uclibc
-/rescueOS/usb-mass-storage-enable.sh: Work if sd card is inserted or not(known mmcblkX number issue on N900)
-shipping wifi firmware
-corrected dhcp business with /etc/resolv.conf
-decreased size of the initrd.
RescueOS's own configs and scripts are now hosted here:
https://github.com/NIN101/N900_RescueOS
Download

Significant changes under the hood and a few bug fixes.

Obligatory disclaimer:
Still testing stage - Usage at own risk, No warranty whatsoever.

xes 2013-03-26 09:00
Re: N900 rescue OS - testing release
 
Thank you very much for your work! ..rescueos saved my beloved n900 so many times.

For the next release, i hope you will consider to add again mc (very useful to copy on the fly just some piece of device contents)

bogdanov_s 2013-04-13 14:11
Re: N900 rescue OS - testing release
 
I can't start my n900 in flash mode .would this rescue OS help ..i can't boot since install u-boot menu !
help me please !

NIN101 2013-04-16 14:28
Re: N900 rescue OS - testing release
 
bogdanov_s,

Since in your PM you are asking , just with a little bit more details, basically the same or more precisely, how to start rescueOS, I will answer that here.

Although you didn't ask for one, I just want to say that a step-by-step guide can not be expected. In any case, you should have created a backup of your data, really. However, by reflashing rootfs, you won't lose any data from my understanding, but it's better to read this. If you just can't start the flashing process, I can not help you with that, as I don't know much about this.

If you still think that trying rescueOS is a good idea, then take a look at the documentation, which describes basically what you need to do. Which means basically downloading the kernel and rescueos.img, then running at own risk:
flasher-3.5 -k 2.6.37 -n rescueOS-1.0.img -l -b"rootdelay root=/dev/ram0"
The connect your N900 to your PC.
I hope that if/once it boots, you know what to do. Good Luck.

elros34 2013-05-25 23:03
Re: N900 rescue OS - testing release
 
I found useful script which simplifies repartition emmc.:cool:
Code:
devices=""
    for p in /sys/block/mmcblk*/; do
      device_name=`basename $p`
      if [ "x${devices}" != "x" ]; then
        devices="${devices},/dev/${device_name}"
      else
        devices="/dev/${device_name}"
      fi
    done
    if [ "x${devices}" != "x" ]; then
      /sbin/modprobe g_file_storage file=${devices} stall=0 removable=1
      echo "USB Storage enabled for devices: ${devices}"
      USB_STORAGE=1
    else
      echo "No USB storage devices found."
    fi
I added this script and few others to image.
NIN101, in latest version there is a problem with fsck.vfat. Do you still think about integrating backupmenu?

rdorsch 2013-06-15 10:58
Re: N900 rescue OS - testing release
 
I get an input output error, when mounting /dev/mmcblk*

When running mass-storage-enable.sh, I get already a

modprobe 'kernel/drivers/usb/gadget/g_file_storage.ko': unknown symbol in module or invalid parameter

Is mounting mass storage device still working for anybody?

Rainer

rdorsch 2013-06-15 13:46
Re: N900 rescue OS - testing release
 
I wanted to add some scripts to the /rescueOS folder. For that I mounted the image

mount -o loop /home/rd/SW.nobackup/n900/rescueOS-1.0.img /mnt/iso

Since it is read-only, I copied everything cp -ra /mnt/iso/ rinitrd and added my scripts

Then I created a new initrd

/sbin/mkfs.cramfs -b 4096 -n n900rescueinitrd rinitrd/ initrd.img

But the n900 did not boot with this one.

Does anybody see, what I am missing?

Is there a better way to add scripts?

Thanks
Rainer

rdorsch 2013-06-15 19:07
Re: N900 rescue OS - testing release
 
What I described in the last comment works. Not sure why it did not work right from the beginning.


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