why is connecting with my android phone so hit and miss?

Robert P. J. Day rpjday at crashcourse.ca
Tue Apr 14 14:06:21 UTC 2015


On Tue, 14 Apr 2015, Paul Cartwright wrote:

> On 04/14/2015 08:26 AM, Robert P. J. Day wrote:
> > On Tue, 14 Apr 2015, Paul Cartwright wrote:
> >
> >> On 04/14/2015 07:48 AM, Robert P. J. Day wrote:
> >>>   currently running fedora rawhide but i suspect this is a more
> >>> general fedora issue -- i could be wrong. whenever i plug in my HTC
> >>> android phone to my laptop (via USB), it's totally hit and miss
> >>> whether i get the phone's content mounted under /run/user/1000/gvfs,
> >>> which allows me to copy pics out of the gallery and so on.
> >>>
> >>>   sometimes it works fine, sometimes not. when i plug it in, the phone
> >>> typically displays "USB tethering [connected]" and "Media device [MTP]
> >>> connected", which is what i expect to see, but whether the mount
> >>> actually succeeds is unpredictable.
> >>>
> >>>   what driver/kernel feature is responsible for this? it would be
> >>> easier to debug if it wasn't so arbitrary about whether it worked or
> >>> not.
> >>>
> >>  my Galaxy S6 always shows up, as did my Galaxy S3.. try this:
> >> http://forums.fedoraforum.org/showthread.php?t=286547
> >>
> >>
> >> $ sudo yum -y install fuse fuse-libs libmtp simple-mtpfs
> >   of the above libs, the first three are already installed, and the
> > last, simple-mtpfs, does not show up in a "yum search". remember, i'm
> > running rawhide so perhaps that package has been removed.
> >
> >   the other package that looks relevant, gvfs-mtp, is already
> > installed, so i'll check out the thread you mention above a bit later
> > this morning to see what other choices i have.
> [root at pauls-server log]# yum list|grep mtpfs
> simple-mtpfs.x86_64                        0.2-3.fc21

  installed that package but still no luck ... plug in the phone but
no indication of mounting. what's confusing, as i mentioned earlier,
is that this *occasionally* worked just fine. from /var/log/messages,
plugging in the phone generates a ton of messages but these two lines
look significant:

Apr 14 10:01:53 Device-040570 systemd: Unit iscsi.service cannot be
reloaded because it is inactive.
Apr 14 10:01:53 Device-040570 ModemManager[934]: <warn>  Couldn't find
support for device at
'/sys/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.3': not supported
by any plugin

is that something i should be concerned about? i certainly can't start
or enable the iscsi manually.

rday

-- 

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
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