I’ve used a set of SanDisk cards and many different types of usb devices. I will buy me another card reader Once you’ve tested the upstream kernel, please remove the ‘needs- upstream- testing’ tag. So, it appears to be a driver issue. For more on this, please read the official Ubuntu documentation:

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Alcor Micro USB Card Reader

Antonio Ospite, if you have a bug in Ubuntu, the Ubuntu Kernel team, Ubuntu Bug Control team, and Ubuntu Bug Squad would like you to please file a new report alcir executing the following in a terminal while booted into a Ubuntu repository kernel not a mainline one via: It will automatically gather and zlcor updated debug information to this report. It will alcorr additional upstream developers to examine the issue.

Sukochev Roman Leolik leolik wrote on I hope there will be a solution for Linux soon, I don’t like having to boot Vista every time I want to access the pictures of my digicam: I originally created this Web site for flash drives, but because some people already submitted the speed test results of external USB disks, I added a group for them too.

Hi, I think I solved the problem here, maybe this can help the others who are experiencing it. USBDeview make this test by writing a large file into the USB flash drive, and then reading back the same file to getting the read speed.


Drivers for manufacturers Alcor

Some Remarks You can click the column headers of the speed tests table in order to sort by the desired field. Not everyone can code, and some of us try to help in other ways with documentation etc, but still, if it ain’t sexy, it doesn’t get done I also have an Alcor Micro Corp card reader.

When inputting “lsusb”, I get the following returned: USB disconnect, address 50 Oct 31 Please do not test the kernel in the daily folder, but the one all the way at the bottom. Direct-Access Multi Flash Reader 1. Nominated for Lucid by Moritz Naumann. Antonio Ospite ospite wrote on Ok I am still experiencing the same issue: Micro SD Sandisk 16Gb.

To those complaining about old bugs not being fixed, if possible try providing the actual problematic hardware to developers, that generally gives them motivation to fix the problems. So the hardware worked and the kernel driver worked too to some extent, just scanning at insertion time was broken.

Alcor micro New Products

Hello, I see a lot of issues reading SD card as disk, I have problem with a digital signature card. Bus Device You need to log in to change this bug’s status. Dirienzo, give you have different hardware, and root cause issue the reader stopped working, while this report is about it never worked in the pastit will help immensely if you use the computer the problem is reproducible with, and provide necessary miro logs by filing a new report with Ubuntu via a terminal: There is also a summary pagewhich contains a summary of speed tests for USB drives that accumulated 5 speed tests or more.


Be aware that all these mucro are made by making a sequential read and write operations of a single file. I am running karmic with kernel 2. Still doesn’t work in Shimi Chen shimi-chen on Please let us know your results.

Note that the change will affect all block devices, not just the card reader, maybe not what you want. The whole system stalls on booting – round about the time that it tries to detect the Alcor card reader.

If the mainline kernel does not fix this bug, please add the tag: