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Bloot
Tux's lil' helper
Joined: 10 Mar 2006
Posts: 99
Location: Barcelona
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 Posted: Thu Mar 22, 2018 8:45 pm Post subject: Dolphin - wrong free space on USB disks |
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Hello,
I have recently noticed that Dolphin file manager shows incorrect free space whenever I plug an usb disk on my notebook. It happens on every USB disk I connect and it always shows the exact same amount of free space, so It doesn't let me copy any file bigger than the free space showed. Cheking free space on terminal shows the correct values though, so I think this may be a KDE Plasma related problem.
https://i.imgur.com/Bq0EUZx.png
Anybody knows what's going on? I've searched for this problem but only found this message on gentoo user with no help at all https://archives.gentoo.org/gentoo-user/message/304d3dd508512c121f094c7742a87cc4
Thanks in advance  |
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Ant P.
Watchman
Joined: 18 Apr 2009
Posts: 6920
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| Posted: Thu Mar 22, 2018 10:50 pm Post subject: |
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| You're seeing the free space for /run/media/debaser/, which lives in /run/ (a tmpfs). It's giving you the correct number for that directory because it's not part of the USB disk (one level down). I agree though, this looks like a bug. Does it do the same if you view the file properties for a folder within the disk? |
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Bloot
Tux's lil' helper
Joined: 10 Mar 2006
Posts: 99
Location: Barcelona
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| Posted: Thu Mar 22, 2018 11:15 pm Post subject: |
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| Ant P. wrote: | | You're seeing the free space for /run/media/debaser/, which lives in /run/ (a tmpfs). It's giving you the correct number for that directory because it's not part of the USB disk (one level down). I agree though, this looks like a bug. Does it do the same if you view the file properties for a folder within the disk? |
Yes it happens the same on the entire usb disk. I don't remember this happened before, it must have been an updated package and I don't have a clue which one could it be, but it has to be kde-plasma related because I can see the correct free space on a terminal. |
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osti
n00b
Joined: 22 Nov 2017
Posts: 11
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| Posted: Fri Apr 27, 2018 9:31 pm Post subject: |
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we just found the same problem:
dolphin only sees 1.6 GiB of available space on the disk (fuse-mounted as /run/something with udisks2); this corresponds to the available space on /run.
Solution was to remove the old /etc/mtab, and symlink it to /proc/mounts:
| Code: | rm /etc/mtab
ln -s /proc/mounts /etc/mtab
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Ant P.
Watchman
Joined: 18 Apr 2009
Posts: 6920
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| Posted: Sat Apr 28, 2018 10:16 pm Post subject: |
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| Ouch, wonder what went wrong there. /etc/init.d/mtab is supposed to fix that automatically. |
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osti
n00b
Joined: 22 Nov 2017
Posts: 11
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| Posted: Sun Apr 29, 2018 6:45 am Post subject: |
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On further investigation:
| Quote: | | /etc/init.d/mtab is supposed to fix that automatically. |
Yes, it does so, on every boot.
Unfortunately, afterwards something replaces /etc/mtab by a file; udisks2-mounts (fuse) of USB storage is not added, afterwards.
This "something" might be dbus or polkit; probably an own script somewhere, or something else. We did not bother, my colleague put an mtab-similar script into local.d.
The system was never re-installed from scratch, only rolling updates over more than ten years (with rsync to new hardware). So probably somewhere in between he missed some emerge news entry, or manually "fixed" some problem. |
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Loacoon
n00b
Joined: 05 May 2018
Posts: 34
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| Posted: Fri Jun 01, 2018 5:54 pm Post subject: |
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I don't think he missed or changed anything. It used to work for me and, I don't know when (probably on an update), my system started to show the same behavior.
I used your solution, it works. Though I didn't reboot yet to see if it stays that way...
EDIT : Rebooting recreated a fixed mtab file... Is there a more definitive fix? |
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guerro
Guru
Joined: 21 Jun 2004
Posts: 402
Location: Brescia
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| Posted: Fri Jun 15, 2018 7:28 am Post subject: |
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Same issue here.....
I'm trying to find solution while I'm waiting for definitive fix.
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i4dnf
Apprentice
Joined: 18 Sep 2005
Posts: 271
Location: Bucharest, Romania
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| Posted: Fri Jun 15, 2018 7:42 am Post subject: |
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If any of you are using media-gfx/splashutils, it has a hardcoded behaviour to recreate /etc/mtab as a file.
Quick and dirty fix guide:
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ebuild /usr/portage/media-gfx/splashutils/splashutils-1.5.4.4-r8.ebuild unpack
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Then comment out line 498 in /var/tmp/portage/media-gfx/splashutils-1.5.4.4-r8/work/splashutils-1.5.4.4/src/libfbsplash.c,
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nosave:
/* Clear a stale mtab entry that might have been created by the initscripts. */
//system("/bin/sed -i -e '\\#"FBSPLASH_CACHEDIR"# d' /etc/mtab");
umount2(what, MNT_DETACH);
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and finaly merge the package:
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ebuild /usr/portage/media-gfx/splashutils/splashutils-1.5.4.4-r8.ebuild merge
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Recreate the correct symlink and it should now survive a reboot.
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"The only difference between me and a madman is that I am not MAD" (SALVATOR DALI) |
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guerro
Guru
Joined: 21 Jun 2004
Posts: 402
Location: Brescia
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| Posted: Fri Jun 15, 2018 8:01 am Post subject: |
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Great!!
Is there someone who could create a patch file to include in ebuild?
I'm not able to make it and I'd like to have a ebuild in my local portage with this fix.
I hope there's someone
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fedeliallalinea
Administrator
Joined: 08 Mar 2003
Posts: 30916
Location: here
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| Posted: Fri Jun 15, 2018 8:35 am Post subject: |
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| guerro wrote: | | Is there someone who could create a patch file to include in ebuild? |
You find patch here for use with /etc/portage/patches
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Questions are guaranteed in life; Answers aren't. |
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guerro
Guru
Joined: 21 Jun 2004
Posts: 402
Location: Brescia
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| Posted: Fri Jun 15, 2018 10:05 am Post subject: |
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Thanx
GRAZIE 1000 
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