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Old 08-05-2012, 04:20 AM   #1
dove.young
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Arrow Need help on mount /dev/mmcblk0p1 on KT

Hi! All

I am using a Kindle Touch. It's system is 5.1.2.

I was jailbreaked my KT when it was 4.x. But sometimes ago It was fallen on the ground and system was broken. ( system still running but all the fonts was gone. ) So I have to install an new system on it. Then it becomes 5.1.2.

I finished the jailbreak steps and usbnetwork steps mentioned in page

http://wiki.mobileread.com/wiki/Kind...:_NOT_5.1.2.29

and

http://wiki.mobileread.com/wiki/Kind...USB_Networking

Now I can login to my Kindle as root via ssh. But I am not able to mount /dev/mmcblk0p1. So that I am not able to modify font configurations in /etc/fonts/.

Here is my device information. Thanks in advance.

Code:
[root@kindle fonts]# cat /proc/partitions
major minor  #blocks  name

   7        0    3418104 loop0
 179        0    3907584 mmcblk0
 179        1     358400 mmcblk0p1
 179        2      65536 mmcblk0p2
 179        3      32768 mmcblk0p3
 179        4    3418112 mmcblk0p4
[root@kindle fonts]# 
[root@kindle fonts]# 
[root@kindle fonts]# mount /dev/mmcblk0p1 /mnt/us/root/
mount: /dev/mmcblk0p1 already mounted or /mnt/us/root/ busy
[root@kindle fonts]# mount
rootfs on / type rootfs (rw)
/dev/root on / type ext3 (ro,noatime,nodiratime,data=writeback)
none on /proc type proc (rw,nosuid,nodev,noexec,relatime)
none on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev type tmpfs (rw,relatime,mode=755)
tmpfs on /dev/shm type tmpfs (rw,relatime)
devpts on /dev/pts type devpts (rw,relatime,gid=5,mode=620)
tmpfs on /var type tmpfs (rw,relatime,size=32768k)
/dev/mmcblk0p3 on /var/local type ext3 (rw,relatime,errors=continue,data=writeback)
fsp on /mnt/us type fuse.fsp (rw,nosuid,nodev,noatime,user_id=0,group_id=0)
/dev/loop/0 on /mnt/base-us type vfat (rw,noexec,noatime,nodiratime,fmask=0022,dmask=0022,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)
fsp on /mnt/us type fuse.fsp (rw,nosuid,nodev,noatime,user_id=0,group_id=0)
fsp on /mnt/mmc type fuse.fsp (rw,nosuid,nodev,noatime,user_id=0,group_id=0)
[root@kindle fonts]# uname -a
Linux kindle 2.6.31-rt11-lab126 #1 Tue Jul 17 16:55:47 PDT 2012 armv7l GNU/Linux
[root@kindle fonts]# exit
Connection to 192.168.15.244 closed.
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Old 08-05-2012, 04:28 AM   #2
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Why not using FontHack?
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Old 08-05-2012, 07:02 AM   #3
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If you're running in main, /dev/mmclbk0p1 is already mounted as /.

And no, don't try to "export" anything from the root partition to /mnt/us (by loop-mounting or so). First, /mnt/us is FAT32 and supports almost none of the important FS features. Second, this is almost certainly going to fail, because /mnt/us becomes inaccessible to the Kindle when it is plugged to the computer as a USB drive.

Just don't do it. Make your changes from the ssh command-line instead.
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Old 08-05-2012, 11:05 AM   #4
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It COULD be done by booting diags_ssh, mounting mmcblk0p1 from SSH, then exporting USB from the diags menu. Windows can be confused about symlinks if finds there, and it would be a bad idea to make changes from Windows. As ixtab said, there are better and safer ways to do what you want (i.e. SSH).
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