Many external storage solutions, such as hard drives, USB thumbdrives, and CD and DVD burners, use the Universal Serial Bus (USB). FreeBSD provides support for USB 1.x, 2.0, and 3.0 devices.
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Note:
The Mass Storage Support software represents one of these class drivers and is intended to support devices that meet the USB Mass Storage Class specification. Version 1.3.5 addresses potential conflicts with multiple drivers attempting to control a single device. DOWNLOAD Free 1.5 MB. REINSTALL USB MASS STORAGE DEVICE DRIVER (reinstallusb2896.zip) Download Now REINSTALL USB MASS STORAGE DEVICE DRIVER On Linux, the modprobe command allows user dynamically loads and unloads Linux kernel modules, i.e. USBmount is a set of scripts used to automatically mount USB mass storage devices when they are plugged in.
USB 3.0 support is not compatible with some hardware, including Haswell (Lynx point) chipsets. If FreeBSD boots with a failed with error 19 message, disable xHCI/USB3 in the system BIOS.
- USB Mass Storage Support 1.3.5 is a set of USB Mass Storage Class drivers written by Apple Computer to support USB Mass Storage Class devices.
- There’s also full support for macOS Sierra 10.12 (it works with OS X Mountain Lion 10.8.5 or later), including the ability to create a bootable USB recovery drive in a few clicks.
Support for USB storage devices is built into the
GENERIC
kernel. For a custom kernel, be sure that the following lines are present in the kernel configuration file:FreeBSD uses the umass(4) driver which uses the SCSI subsystem to access USB storage devices. Since any USB device will be seen as a SCSI device by the system, if the USB device is a CD or DVD burner, do not include
device atapicam
in a custom kernel configuration file.The rest of this section demonstrates how to verify that a USB storage device is recognized by FreeBSD and how to configure the device so that it can be used.
To test the USB configuration, plug in the USB device. Use
dmesg
to confirm that the drive appears in the system message buffer. It should look something like this:The brand, device node (
da0
), speed, and size will differ according to the device.Since the USB device is seen as a SCSI one,
camcontrol
can be used to list the USB storage devices attached to the system:Alternately,
usbconfig
can be used to list the device. Refer to usbconfig(8) for more information about this command.If the device has not been formatted, refer to Section 17.2, “Adding Disks” for instructions on how to format and create partitions on the USB drive. If the drive comes with a file system, it can be mounted by
root
using the instructions in Section 3.7, “Mounting and Unmounting File Systems”.Warning:
Allowing untrusted users to mount arbitrary media, by enabling vfs.usermount
as described below, should not be considered safe from a security point of view. Most file systems were not built to safeguard against malicious devices.
To make the device mountable as a normal user, one solution is to make all users of the device a member of the
operator
group using pw(8). Next, ensure that operator
is able to read and write the device by adding these lines to /etc/devfs.rules
:Note:
If internal SCSI disks are also installed in the system, change the second line as follows:
This will exclude the first three SCSI disks (da0
to da2
)from belonging to the operator
group. Replace 3
with the number of internal SCSI disks. Refer to devfs.rules(5) for more information about this file.
Next, enable the ruleset in
/etc/rc.conf
:Then, instruct the system to allow regular users to mount file systems by adding the following line to
/etc/sysctl.conf
:Since this only takes effect after the next reboot, use
sysctl
to set this variable now:Usb Mass Storage Support 1.3.5 Free For Mac X
The final step is to create a directory where the file system is to be mounted. This directory needs to be owned by the user that is to mount the file system. One way to do that is for
root
to create a subdirectory owned by that user as /mnt/username
. In the following example, replace username
with the login name of the user and usergroup
with the user's primary group:Suppose a USB thumbdrive is plugged in, and a device
/dev/da0s1
appears. If the device is formatted with a FAT file system, the user can mount it using:Before the device can be unplugged, it must be unmounted first:
After device removal, the system message buffer will show messages similar to the following:
USB devices can be automatically mounted by uncommenting this line in
/etc/auto_master
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Then add these lines to
/etc/devd.conf
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Reload the configuration if autofs(5) and devd(8) are already running:
autofs(5) can be set to start at boot by adding this line to
/etc/rc.conf
:autofs(5) requires devd(8) to be enabled, as it is by default.
Start the services immediately with:
Each file system that can be automatically mounted appears as a directory in
/media/
. The directory is named after the file system label. If the label is missing, the directory is named after the device node.The file system is transparently mounted on the first access, and unmounted after a period of inactivity. Automounted drives can also be unmounted manually:
This mechanism is typically used for memory cards and USB memory sticks. It can be used with any block device, including optical drives or iSCSILUNs.
Summary :
USB mass storage device driver issues has many situations. Perhaps you are bothered by one of them. If so, so you know how to fix the problem. In this post, MiniTool Software will show you some useful methods. We hope these solutions can solve your issue.
If your USB mass storage device has a driver problem, you can go to the Device Manager to check whether there is an error hint. Perhaps, you may find an error message like Unknown USB Device (Device Descriptor Request Failed), Unknown USB Device (Port Reset Failed), Unknown USB Device (Set Address Failed), etc. At times, you may see that there is a yellow mark next to the USB mass storage device.
Obviously, you encounter the USB mass storage device failed issue. Unless you fix it, you will be unable to use the connected USB device as normal.
How to fix USB mass storage device driver issue? We collect some useful methods and show them in this post.
How to Fix USB Mass Storage Device Driver Issue?
- Update/Reinstall the USB Mass Storage Device Driver
- Check the Registry
- Modify the Power Settings
Method 1: Update/Reinstall the USB Mass Storage Device Driver
When your USB mass storage device not working and you are sure that your USB mass storage device has a driver problem, you should first go to Device Manager to update or reinstall the USB mass storage device driver. This is because the USB mass storage device driver may be outdate, missing, or damaged.
How to Update the USB Mass Storage Device Driver?
- Use Windows Search to search for device manager and click the first result to open it.
- Find the device driver you want to update and right-click it. Then, select Update driver.
- Follow the on-screen introduction to update the device driver.
- Reboot your computer.
How to Reinstall the USB Mass Storage Device Driver?
- Use Windows Search to search for device manager and click the first result to open it.
- Find the device driver you want to update and right-click it. Then, select Uninstall device.
- Click Uninstall on the pop-up interface to uninstall it.
- Restart your computer and Windows can automatically install the driver to your computer.
Method 2: Check the Registry
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If the registry value is set wrong by mistake, you can also encounter the issue of USB mass storage device failed. You can check the Registry to have a try. However, to keep your Registry keys safe, you’d better back them up before modifying.
- Press Win+R to open Run.
- Type regedit and press OK to open Registry Editor.
- Go to this path: HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesUsbStor.
- Make sure the value of Start is 3. If not, you can right-click Start and select Modify to change the value to 3.
Method 3: Modify the Power Settings
The power settings of the USB device can also influence the situation of the USB device. You can go to Device Manager to check whether the power settings are suitable.
- Open Device Manager.
- Go to find the USB mass storage device you want to fix and double-click it.
- Go to the Power Management section and make sure Allow the computer to turn off this device to save power is unchecked.
Bottom Line
These solutions should solve the USB mass storage device driver issue you are facing. However, if the device is damaged and there are some important files in it, you can use MiniTool Power Data Recovery, a professional data recovery software, to rescue them.
You can press the following button to get the trial edition and then use it to scan the drive you want to recover data from.
If this software can find your needed files, you can upgrade it to a full edition and then recover all your files without limits.
Should you have any related issues, you can let us know in the comment.