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#1 2013-07-27 09:34:25

kokoko3k
Member
Registered: 2008-11-14
Posts: 1,438

mtp problems

In the past i could access my canon camera without problems in kde.
Now dolphin displays nothing about it, empty folder.
The same thing happens with galaxy s2
...it works good with a sansa clipzip.

mtp-detect only detects the sansa clipzip; nothing about the camera or the phone.
my system is fully upgraded and i can reproduce the issue on 3 different arch machines (a laptop, a desktop and a netbook)

Any hint or some idea to debug please?

-EDIT-
Tried as root, and got the same.

-EDIT
As soon as i attach the camera:
tail -f /var/log/everything.log

Jul 27 13:44:33 localhost kernel: [11997.652330] usb 1-6: new high-speed USB device number 9 using ehci-pci
Jul 27 13:44:33 localhost mtp-probe: checking bus 1, device 9: "/sys/devices/pci0000:00/0000:00:1d.7/usb1/1-6"
Jul 27 13:44:33 localhost mtp-probe: bus: 1, device: 9 was not an MTP device

...but it IS an mtp-device sad

Last edited by kokoko3k (2013-07-27 12:02:03)

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#2 2013-07-27 13:28:10

psycho
Member
Registered: 2013-04-26
Posts: 29

Re: mtp problems

Do you have the latest libmtp ? Have you tried alternatives to mtpfs ? Personally, i use jmtpfs (aur) with my HTC One and works flawlessly. Mtpfs breaks the shell is run from, and go-mtpfs (mtpfs client written in go - available on aur) is too big (go + itself >= 200 mb).


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I never met a piece of chocolate I didn't like.

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#3 2013-07-27 18:31:38

kokoko3k
Member
Registered: 2008-11-14
Posts: 1,438

Re: mtp problems

THanks, but correct me if i'm wrong:
all that packages relies on libmtp, (i just tried mtpfs, same issue).
and the message in my logs saying the camera is not an mtp device are from mtp-probe ; part of the libmtp package.
I think that the root of the problem is right in the libmtp, but i wonder if i'm doing something wrong or libmtp is just broken and i should report this upstream.

My system is upgraded, so libmtp is the latest; i also tried libmtp-git.

Anybody with a working "samsung galaxy s2" or "canon powershot sx200 is" mtp connection?

Last edited by kokoko3k (2013-07-27 18:32:58)

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#4 2013-07-27 18:52:18

donniezazen
Member
From: Salt Lake City
Registered: 2011-06-24
Posts: 671
Website

Re: mtp problems

MTP is a big mess. The best way to sync your files to and from phone is the BitTorrent Sync.

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#5 2013-07-28 13:01:51

BasT
Member
Registered: 2010-08-28
Posts: 78

Re: mtp problems

kokoko3k wrote:

THanks, but correct me if i'm wrong:
all that packages relies on libmtp, (i just tried mtpfs, same issue).
and the message in my logs saying the camera is not an mtp device are from mtp-probe ; part of the libmtp package.
I think that the root of the problem is right in the libmtp, but i wonder if i'm doing something wrong or libmtp is just broken and i should report this upstream.

My system is upgraded, so libmtp is the latest; i also tried libmtp-git.

Anybody with a working "samsung galaxy s2" or "canon powershot sx200 is" mtp connection?

I have the same problem as you:
using mtp with a samsung galaxy s2 does not work anymore. Last time it worked was about 2 weeks ago. Not sure what changed.

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#6 2013-07-28 16:02:53

kokoko3k
Member
Registered: 2008-11-14
Posts: 1,438

Re: mtp problems

Well, then probably it is not libmtp, as i already tried to downgrade it to 1.1.5 (previous to your 2 weeks), without success.

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#7 2013-07-29 08:07:31

bobzxr
Member
From: Hungary
Registered: 2013-05-19
Posts: 7

Re: mtp problems

I have a Nexus 4 which I can access through Nautilus without any problem. The only package I installed was gvfs-mtp (along with its dependencies). No configuration was needed either.

Last edited by bobzxr (2013-07-29 08:11:00)


You may corrupt the souls of men, but I am steel. I am doom. I march for Macragge, and I know no fear!

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#8 2013-07-29 15:32:10

kokoko3k
Member
Registered: 2008-11-14
Posts: 1,438

Re: mtp problems

@bobzxr:
Is your system updated?
If yes, could you please check if in your /var/log/everything.log there is an entry like this:

Jul 27 13:44:33 localhost mtp-probe: bus: 1, device: 9 was not an MTP device

It appears to me as soon as i connect the camera/phone

thanks!

-EDIT

Nexus is another story, for me mtp works for some devices (sansa clipzip mp3 reader works), and not for others (galaxy s2, canon powershot sx200 is)

Last edited by kokoko3k (2013-07-29 15:33:10)

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#9 2013-07-29 16:05:59

kokoko3k
Member
Registered: 2008-11-14
Posts: 1,438

Re: mtp problems

Men... i took a look to the libmtp code and i can confirm:

donniezazen wrote:

MTP is a big mess.

Implementation is a bunch of fixes and patches to make things work. I don't know what broke my setups, but i can understand why!

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