That's puzzling. The only thing I can think of is to issue the 'sync' command after saving the changes before rebooting.dan_fritz wrote:Yes, I use sudo nano /boot/config.txt
then I exit using ctrl + x and saving changes
When I do sudo cat /boot/config.txt I clearly see my changes
I reboot, and the config is back to its default...
Thanks for your reply!
Aha!lb wrote:This is a known bug, probably rooted in the SDHCI driver, and I'm currently investigating it. The FAT filesystem causes single block writes, and these appear to be problematic (i.e. the writes silently don't succeed) with some SD cards. Dataloss bugs are not acceptable.
More discussion in http://www.raspberrypi.org/phpBB3/viewt ... 0&start=25.
Thanks I've tryed that one, I'm using 2012-07-15-wheezy-raspbian.zip OS btw.drgeoff wrote:You don't say which OS image you have used though I haven't heard that any of them are set to automatically re-write config.txt.
1. Boot the RPi and make a simple change to config.txt. Just put '# this is a comment' as the last line. (Don't include the quote marks.)
2. Exit and save.
3. Type 'sudo shutdown -h now'
4. Wait until LEDs stop flashing. (They will not all turn off.)
5. Unplug the power.
6. Remove the SD card, put it in a card reader and plug in to your PC
7. If your PC is a Windows PC it will only see the boot partition with several files including config.txt. Open that and see if the comment line is there. (If your PC is a Linux PC, it will also see the main partition on the SD card.)
8. If the comment line is present, safely remove the SD card from the PC, re-insert in RPi and boot it. Then 'nano /boot/config.txt'. Is the comment line still there?
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