[Nexus 4][Android 4.3][Settings] Fail to access the files system in device via turning on USB storage.

RESOLVED WORKSFORME

Status

RESOLVED WORKSFORME
5 years ago
3 years ago

People

(Reporter: hlu, Unassigned)

Tracking

Firefox Tracking Flags

(Not tracked)

Details

(Reporter)

Description

5 years ago
Gaia:     14f47e5390f6fb9b0c4c841f34024870b7052cfb
  B-D     2013-08-23 14:27:51
Gecko:    e4a2844f7941ce2c797fccdfdb03761f1f333a6a
BuildID   20130823142744
Version   26.0a1
Kernel    4.3

* Symptom:
In computer, user could not find and access the file system of device while USB storage is enabled and the device is plugged in any OS system computer.

* Reproduce Steps
1. Open the settings app.
2. Select Media storage.(Near the bottom)
3. Turn on "USB mass storage".
4. Plug the device into: Windows, Mac or Linux.

* Actual results:
1. In computer, user could not find and access the file system of device.

* Expected results:
1. The device file system should be accessible on all OS systems.

Comment 1

5 years ago
Hi,

The media storage in Nexus 4 is not from a individual partition so it can't be un-mounted then set to mass storage mode. Instead of that Nexus 4 used fuse technology to re-use the /data partition. This means that the media storage actually is emulated by a folder in /data partition via fuse.

Please also refer to the bug as below for MTP used to this kind of device to share files between device and PC.
Bug 748350 - [B2G] export files on a device to the attached desktop through MTP
> * Symptom:
> In computer, user could not find and access the file system of device while
> USB storage is enabled and the device is plugged in any OS system computer.
> 
> * Reproduce Steps
> 1. Open the settings app.
> 2. Select Media storage.(Near the bottom)
> 3. Turn on "USB mass storage".
It should be the typo of "Enable USB storage"

> 4. Plug the device into: Windows, Mac or Linux.
> 
> * Actual results:
> 1. In computer, user could not find and access the file system of device.
> 
> * Expected results:
> 1. The device file system should be accessible on all OS systems.
Depends on: 748350

Updated

3 years ago
Status: NEW → RESOLVED
Last Resolved: 3 years ago
Resolution: --- → WORKSFORME
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