phone no longer mounts over usb

Roger K. Wells ROGER.K.WELLS at saic.com
Mon Aug 5 13:56:50 UTC 2013


On 08/05/2013 06:55 AM, Gregory Hosler wrote:
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> On 08/05/2013 06:09 PM, Patrick O'Callaghan wrote:
>> On Mon, 2013-08-05 at 10:28 +0800, Gregory Hosler wrote:
>>> Hi all,
>>>
>>> I have a Samsong phone. I used to mount it as Mass Storage (selected on
>>> the phone) over the micro usb connection, to copy files to/from.
>>>
>>> Starting with kernel 3.10.3-300.fc19.x86_64, and continuing with kernel
>>> 3.10.4-300.fc19.x86_64 this no longer works.
>>>
>>> Relevant snippets from /var/log/messages under both kernels attached.
>>>
>>> I will bugzilla, but I wish to know whether anyone else has seen this
>>> change of behavior.
>> Presumably this is Android, but which version?
> actually, this is a Samsung, with samsung os (pre-android days, by just a hair).
>
> This phone does and has supported usb mass storage mode, since, forever.
>
> As mentioned earlier, it used to work (that is to say, it used to auto mount
> as mass storage) in all Fedora's pre Fedora 19.
>
> In Fedora 19, it worked in all kernels preceding 3.10.3-300.fc19.x86_64
>
> And so, I am asking whether someone with an old enough andoid (or perhaps a
> camera that supports mass storage), whether they can reproduce their device
> working in kernels pre-3.10.3-300.fc19.x86_64 and no longer working starting
> with kernel 3.10.3-300.fc19.x86_64
I have HTC Android 4.0.4.
Mass storage seems to work on 3.10.3-300.fc19.x86_64 as it did on 
earlier kernels.
HTH
Roger Wells
>
> Hope this clarifies.
>
> All the best,
>
> - -Greg
>
>> If it's 4.x, stock Android doesn't support direct mass storage access
>> (unless you root it). This has been the case for over a year and is
>> unrelated to the Linux kernel on your machine. You're supposed to use MTP,
>> for which there are several apps in the Fedora repos, e.g. simple-mtpfs.
>> Just don't expect it to be a substitute for a real filesystem (no random
>> access for one thing).
>>
>> Or use wireless access via FTP, SSH, Rsync etc., for which there are apps
>> in the Google Play Store.
>>
>> poc
>>
>
> - -- 
> +---------------------------------------------------------------------+
>
> Please also check the log file at "/dev/null" for additional information.
>                  (from /var/log/Xorg.setup.log)
>
> | Greg Hosler                                   ghosler at redhat.com    |
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-- 
Roger Wells, P.E.
SAIC
221 Third St
Newport, RI 02840
401-847-4210 (voice)
401-849-1585 (fax)
roger.k.wells at saic.com



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