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I have a problem with my ubuntu 11.10, the issue is described in the following link: Hard disk icon disappears after mounting

After digging and digging I found the issue. It's a problem with ext4 partition, because I'm able to mount my NTFS partitions without any issue.

Here are the details.

/var/log/syslog

Dec 29 22:06:32 ms-Lenovo-G550 ntfs-3g[3240]: Version 2011.4.12AR.4 external FUSE 28

Dec 29 22:06:32 ms-Lenovo-G550 ntfs-3g[3240]: Mounted /dev/sda2 (Read-Write, label "TEST", NTFS 3.1)

Dec 29 22:06:32 ms-Lenovo-G550 ntfs-3g[3240]: Cmdline options: rw,nosuid,nodev,uhelper=udisks,uid=1002,gid=1002,dmask=0077,fmask=0177

Dec 29 22:06:32 ms-Lenovo-G550 ntfs-3g[3240]: Mount options: rw,nosuid,nodev,uhelper=udisks,allow_other,nonempty,relatime,fsname=/dev/sda2,blkdev,blksize=4096,default_permissions

Dec 29 22:06:32 ms-Lenovo-G550 ntfs-3g[3240]: Global ownership and permissions enforced, configuration type 7

Dec 29 22:06:38 ms-Lenovo-G550 kernel: [ 45.141025] userif-2: sent link up event.

Dec 29 22:06:38 ms-Lenovo-G550 kernel: [ 401.741884] EXT4-fs (sda8): mounted filesystem with ordered data mode. Opts: (null)

root@ms-Lenovo-G550:~# mount |tail -2

/dev/sda2 on /media/TEST type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096,default_permissions)

/dev/sda8 on /media/Misc_ type ext4 (rw,nosuid,nodev,uhelper=udisks)

root@ms-Lenovo-G550:~# ls -la /media/ --- total 16

drwxr-xr-x 4 root root 4096 2011-12-29 22:15 .

drwxr-xr-x 24 root root 4096 2011-12-11 22:30 ..

drwx------ 17 ms ms 4096 2011-12-22 21:59 Misc

drwx------ 1 abc abc 4096 2011-12-29 20:31 TEST

My question is how to mount ext4 as same as NTFS ?

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After digging and digging I found the answer. It is due to "take ownership of filesystem" option in palimset(Disk utility). If you set that option while formatting any of the partition(ext4/ext3) you cannot write/read it under different user. Please close this question. –  Vipin Ms Jan 9 '12 at 8:32
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OP posted the answer as a comment

After digging and digging I found the answer. It is due to "take ownership of filesystem" option in palimset(Disk utility). If you set that option while formatting any of the partition(ext4/ext3) you cannot write/read it under different user.

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