The content of this topic has been archived on 29 Apr 2018. There are no obvious gaps in this topic, but there may still be some posts missing at the end.
Hi
Could i write in the fail-save mode to the jffs-partition ?
When i mount it with
mount -t jffs2 /dev/mtdblock/4 /jffs
try to change a file, i get a longer error-message on the serial console, that is isn't able to write. I use the 20040331-tgz.
And is it possible to install a getty for the serial port ?
Otherwise, do already exist a Howto to build own packages ?
cu Thomas (very impressed of openwrt 
Hi
Could i write in the fail-save mode to the jffs-partition ?
When i mount it with
mount -t jffs2 /dev/mtdblock/4 /jffs
try to change a file, i get a longer error-message on the serial console, that is isn't able to write. I use the 20040331-tgz.And is it possible to install a getty for the serial port ?
Otherwise, do already exist a Howto to build own packages ?cu Thomas (very impressed of openwrt
One should be able to write to jffs in FSM.
Even I have successfully written into jffs2 several times,
I once happened to this situation also.
It said something like "can't write to read-only filesystem",
even if I "mount -o rw".
All I could do was re-tftp the firmware.
It seemed that NVRAM had been resetted to default that day.
Would that be the cause?
If you look in /etc/preinit you'll see a line
mtd unlock mtd4just before mounting jffs2, the unlock command is used to enable write support on the intel flash chips (v1.1 and above)
If you look in /etc/preinit you'll see a line
mtd unlock mtd4just before mounting jffs2, the unlock command is used to enable write support on the intel flash chips (v1.1 and above)
How about execute these two lines, even when booting into FSM?
mtd unlock mtd4
mount -t jffs2 /dev/mtdblock/4 /jffs How about execute these two lines, even when booting into FSM?
mtd unlock mtd4 mount -t jffs2 /dev/mtdblock/4 /jffs
Nope. The point of failsafe mode is that it doesn't use jffs2.
How about execute these two lines, even when booting into FSM?
mtd unlock mtd4 mount -t jffs2 /dev/mtdblock/4 /jffsNope. The point of failsafe mode is that it doesn't use jffs2.
See.
By the way, is there anyway to LOCK mtd4 jffs2, preventing from being written,
after it is mounted on root?
How about execute these two lines, even when booting into FSM?
mtd unlock mtd4 mount -t jffs2 /dev/mtdblock/4 /jffsNope. The point of failsafe mode is that it doesn't use jffs2.
Granted, it should not be *used*. What is the point to not trying to mount it though? (Think that would just fail gracefully if corrupt, or not?)
Since I'd guess when you're booting FSM if somthing went wrong on jffs you're likely wanting to fix it and the "mtd unlock mtd4" will probably be a frequently encounterd problem .
-Chris
Here is my standpoint as a newbie:
I was to lame to successfully mount the jffs2 partition myself.
Also I hadnt known anything about mtd unlock.
My networking.sh was corrupted somehow, so OpenWRT didn't come up listening on IP 192.168.1.1.
I had no clue what to do, so I had to call firstboot which deleted everything on my jffs2 partition 
If there would have been some script in /usr/sbin where I could mount the jffs2 partition, this hadn't happend to me.
Unnessesary work for nothing
took me 15 mins of searching the forum for this .. i rembered hot to boot into failsafe no problem .. it's mounting the jffs in rw mode that messed me up
just a suggestion , wouldnt hurt to have that command in the MOTD for the failsafe boot.
The discussion might have continued from here.