usb microSD card reader report incorrect size (32gb instead of 64GB) of microSD card.

[Jarl]

Using a 64GB microSDXC card in a usb sd card reader gives wrong SD card size (32GB). When putting the same microSDXC card in a a SD adapter it correctly gives 64GB size.

Hardware:

sdCard: SanDisk Extreme microSDXC UHS-I (http://www.sandisk.com/products/memory-cards/microsd/extreme-uhs-i-action-cameras/?capacity=64GB)
USB card reader: Kingston FCR-MRG2 (http://www.kingston.com/us/support/technical/products?model=fcr-mrg2)
SD adapter: Kingston (http://www.kingston.com/en/flash/microsd_cards#MBLY)

Here is the output from terminal:
Accessing it through USB card reader:
$ sudo fdisk -l /dev/sdb

Disk /dev/sdb: 27.5 GiB, 29504831488 bytes, 57626624 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000

Accessing it through sd card adapter and the built-int sd card reader:
$ sudo fdisk -l /dev/mmcblk0

Disk /dev/mmcblk0: 59.5 GiB, 63864569856 bytes, 124735488 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000

My conclussion is that the driver for the usb card-reader.

I will attach the output of lsusb -v -d 090c:6200

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.16.0-30-generic 3.16.0-30.40
ProcVersionSignature: Ubuntu 3.16.0-30.40-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.7-0ubuntu8.1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: jarl 4339 F.... pulseaudio
CurrentDesktop: KDE
Date: Sat Feb 21 21:27:53 2015
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=e45150b2-5a68-4250-918d-8b731fcb17a2
InstallationDate: Installed on 2013-11-27 (450 days ago)
InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: Hewlett-Packard HP EliteBook 8730w
PccardctlStatus:
 Socket 0:
   3.3V
  16-bit
  PC Card
   Subdevice 0 (function 0) bound to driver "pata_pcmcia"
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-30-generic root=UUID=21aea9ee-02ab-46d0-8314-468f69a333c0 ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.16.0-30-generic N/A
 linux-backports-modules-3.16.0-30-generic N/A
 linux-firmware 1.138.1
SourcePackage: linux
UpgradeStatus: Upgraded to utopic on 2015-01-22 (30 days ago)
dmi.bios.date: 12/03/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68PAD Ver. F.13
dmi.board.name: 30EC
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 91.25
dmi.chassis.asset.tag: CNU01143H6
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68PADVer.F.13:bd12/03/2010:svnHewlett-Packard:pnHPEliteBook8730w:pvrF.13:rvnHewlett-Packard:rn30EC:rvrKBCVersion91.25:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP EliteBook 8730w
dmi.product.version: F.13
dmi.sys.vendor: Hewlett-Packard

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.0 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-rc1-vivid/

[Jarl (jarl-dk)]

First time I tried to use thsi SD card reader was about a year ago (13.10) where I also had this problem (same hardware), and the situation has not changed (i.e. all kernels through Ubuntu 14.04 and now 14.10.

The reason I have not repported this before is lack of time of root-cause investigation. For quite some time I was mislead/confused by the 32GB limitation of the FAT file system and not-so-mature linux implementation of the exFAT file system.

So this problem did not just start happening, it has never worked correct for me.

> Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.0 kernel[0].

Yes, I have try to use the v4.0-rc1 kernel downloaded from http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-rc1-vivid/ with no effect the behaviour is identical. Therefore I add the tag 'kernel-bug-exists-upstream'.

[Jarl (jarl-dk)]

It's no so easy to update the BIOS when Ubuntu is installed, working on it, hang on, I'll be there.

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]

[Jarl (jarl-dk)]

I have now (finally) updated the BIOS to the latest F.20 (mentioned in comment #5). I have further upgraded to the latest ubuntu 15.10 with kernel Linux hermes 4.2.0-18-generic #22-Ubuntu SMP Fri Nov 6 18:25:50 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

The hardware, the symptoms and the problem is still the same.

[Jarl (jarl-dk)]

The output from `sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date` is

68PAD Ver. F.20
12/07/2011

[penalvch (penalvch)]

Jarl, could you please test the latest upstream kernel (4.4-rc2) and advise to the results?

[Jarl (jarl-dk)]

I have now tried with the latest rc5 kernel
`Linux hermes 4.4.0-040400rc5-generic #201512140221 SMP Mon Dec 14 02:23:36 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux`

The problem/symptoms are still the same.

Jarl

[penalvch (penalvch)]

Jarl, the issue you are reporting is an upstream one. Could you please report this problem following the instructions verbatim at https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate mailing list (TO Ulf Hansson CC linux-mmc)?

Please provide a direct URL to your post to the mailing list when it becomes available so that it may be tracked.

Thank you for your understanding.