usb mount permission problem

queenmedley · 2013-05-18 08:35:49

I use udev, and udevil.
After pacman -Syu , I can't write or delete a file in usb.
When i insert usb, auto mount is excuted, but permission is something worng.

teateawhy · 2013-05-18 10:56:11

Maybe you forgot to reboot after a kernel update.
uname -r
vs
pacman -Q linux

Mr.Elendig · 2013-05-18 11:20:46

what filesystem, what permissions and what is the exact error? Also post the `mount` line for the usb stick.

queenmedley · 2013-05-18 14:38:39

[wonhae@queen ~]$ mount
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
sys on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
dev on /dev type devtmpfs (rw,nosuid,relatime,size=4072960k,nr_inodes=1018240,mode=755)
run on /run type tmpfs (rw,nosuid,nodev,relatime,mode=755)
/dev/sda5 on / type ext4 (rw,relatime,data=ordered)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /sys/fs/cgroup type tmpfs (rw,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/usr/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpuacct,cpu)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/net_cls type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=26,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,relatime)
/dev/sda3 on /boot type ext4 (rw,relatime,data=ordered)
/dev/sda6 on /home type ext4 (rw,relatime,data=ordered)
/dev/sdb1 on /media/sdb1-usb-SanDisk_Cruzer_4 type vfat (ro,nosuid,nodev,noexec,noatime,uid=1000,gid=100,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro)

-----------------------------------------------------
the problem is reading is possible, writing and deling permission is not.
and I gid is "users" (100).
Before updating, the problem was happened.

gonX · 2013-05-18 16:02:59

It's mounted readonly, so permissions should be ok. Take a look at dmesg.

Last edited by gonX (2013-05-18 16:03:27)

anonymous_user · 2013-05-18 20:04:17

What are the permissions for /media/? That folder shouldn't normally exist, so I'm guessing you created it.

Mr.Elendig · 2013-05-19 12:23:12

Just remount it read-write (check if there is a physical button/switch on the stick too)

queenmedley · 2013-05-20 12:57:55

dmesg is...
--------------------------------------------------------------------------------------------------------------
[ 543.447722] usb 4-1.2: new high-speed USB device number 5 using ehci-pci
[ 543.533675] scsi7 : usb-storage 4-1.2:1.0
[ 544.534914] scsi 7:0:0:0: Direct-Access SanDisk Cruzer 8.02 PQ: 0 ANSI: 0 CCS
[ 544.535999] sd 7:0:0:0: [sdb] 15695871 512-byte logical blocks: (8.03 GB/7.48 GiB)
[ 544.536715] sd 7:0:0:0: [sdb] Write Protect is off
[ 544.536728] sd 7:0:0:0: [sdb] Mode Sense: 45 00 00 08
[ 544.537437] sd 7:0:0:0: [sdb] No Caching mode page present
[ 544.537449] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 544.543039] sd 7:0:0:0: [sdb] No Caching mode page present
[ 544.543048] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 544.547177] sdb: sdb1
[ 544.550037] sd 7:0:0:0: [sdb] No Caching mode page present
[ 544.550052] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 544.550062] sd 7:0:0:0: [sdb] Attached SCSI removable disk
[ 576.877306] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[ 578.546640] FAT-fs (sdb1): error, fat_get_cluster: invalid cluster chain (i_pos 0)
[ 578.546644] FAT-fs (sdb1): Filesystem has been set read-only
----------------------------------------------------------------------------------------------------------------
I use openbox and spaceFM filemanager.
Before update, I could write a file in usb.

queenmedley · 2013-05-20 13:03:43

I found some solution....
Another Usb is worked well. I can make or delete a files.
I think my sandisk usb stick has some problem..(I can delete or make file in windows7)

queenmedley wrote:

dmesg is...
--------------------------------------------------------------------------------------------------------------
[ 543.447722] usb 4-1.2: new high-speed USB device number 5 using ehci-pci
[ 543.533675] scsi7 : usb-storage 4-1.2:1.0
[ 544.534914] scsi 7:0:0:0: Direct-Access SanDisk Cruzer 8.02 PQ: 0 ANSI: 0 CCS
[ 544.535999] sd 7:0:0:0: [sdb] 15695871 512-byte logical blocks: (8.03 GB/7.48 GiB)
[ 544.536715] sd 7:0:0:0: [sdb] Write Protect is off
[ 544.536728] sd 7:0:0:0: [sdb] Mode Sense: 45 00 00 08
[ 544.537437] sd 7:0:0:0: [sdb] No Caching mode page present
[ 544.537449] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 544.543039] sd 7:0:0:0: [sdb] No Caching mode page present
[ 544.543048] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 544.547177] sdb: sdb1
[ 544.550037] sd 7:0:0:0: [sdb] No Caching mode page present
[ 544.550052] sd 7:0:0:0: [sdb] Assuming drive cache: write through
[ 544.550062] sd 7:0:0:0: [sdb] Attached SCSI removable disk
[ 576.877306] FAT-fs (sdb1): Volume was not properly unmounted. Some data may be corrupt. Please run fsck.
[ 578.546640] FAT-fs (sdb1): error, fat_get_cluster: invalid cluster chain (i_pos 0)
[ 578.546644] FAT-fs (sdb1): Filesystem has been set read-only
----------------------------------------------------------------------------------------------------------------
I use openbox and spaceFM filemanager.
Before update, I could write a file in usb.

gonX · 2013-05-20 17:01:07

There's nothing wrong with the stick itself. It's the filesystem that doesn't get properly unmounted, as stated in dmesg. Unmount it, then run fsck on it and try again:

# umount /dev/sdb1
# fsck.vfat -a /dev/sdb1

The -a flag indicates that all errors will be attempted to be repaired.

Last edited by gonX (2013-05-20 17:01:46)

Arch Linux

#1 2013-05-18 08:35:49

usb mount permission problem

#2 2013-05-18 10:56:11

Re: usb mount permission problem

#3 2013-05-18 11:20:46

Re: usb mount permission problem

#4 2013-05-18 14:38:39

Re: usb mount permission problem

#5 2013-05-18 16:02:59

Re: usb mount permission problem

#6 2013-05-18 20:04:17

Re: usb mount permission problem

#7 2013-05-19 12:23:12

Re: usb mount permission problem

#8 2013-05-20 12:57:55

Re: usb mount permission problem

#9 2013-05-20 13:03:43

Re: usb mount permission problem

#10 2013-05-20 17:01:07

Re: usb mount permission problem

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