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Sandisk 64 GB Micro SDXC memory card exFat problems

9 posts in this topic

Posted · Report post

I bought a Sandisk 64GB card for my SGS3 but I have having problems with the exFat file system it uses.

I format it in the phone itself although it came preformatted and copy all my files from my 32GB card to it using my laptop and a micro sdxc card reader. I then put it in the phone and it flashes up that its a damaged card, WTF.

I got really worried for a moment and thought I had a dud or fake, but I bought from amazon so surely not. I then tried formatting it to fat32 but couldn't use windows 7 as it doesn't support it. I tried the HP format tool but that also gave me 'damaged card' after inserting it in my phone.

I then found another fat32 formatter somebody mentioned on another forum and then copied all my files on it again which takes a while by the way and hey presto it doesnt give me 'damaged card' when I put it in. I have played games and movies that are on it and no problems.

So it seems the reports that I read about exFat and 64GB micro sdxc cards working on this phone are false. It must be samsungs version of exFat thats the problem. I hope it will be fixed soon as I want to copy files larger than 4gb to it.

Does anybody have one of these cards or another brand? Are you having the same problems?

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Posted · Report post

I "destroyed" two 32 GB cards and using a 8 GB for the moment, which works fine.

So should I NOT use the mobile to format the card again? I have a new 32 GB card from a different brand but want to be sure before using it. :)

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Posted · Report post

Maybe the destroyed cards you got were fakes. You can check if it has any problems with a windows app called h2testw.

I don't think the mobile will destroy your card. Formatting a 32GB card in the mobile will give you a FAT32 file system and a 64GB to exFAT.

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Posted · Report post

wierd.

never formated my card though

pulled it out of my old zte blade

and put it into s3

its ext3 btw (might have changed it to ext4 but i don't think so

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Posted · Report post

I have the same 64gb Class 10 Sandisk card, and it works fine. By the way, this phone is amazing, considering I upgraded from a Huawei G300 :D

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Posted · Report post

I'm currently using a Sandisk 32GB Class 4, have copied all big games over there using DirectoryBind and haven't had problems with slowdowns at all.

Just amazing.

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Posted · Report post

I have the same 64gb Class 10 Sandisk card, and it works fine. By the way, this phone is amazing, considering I upgraded from a Huawei G300 :D

I have found out that once you copy over a certain amount of files over, about 12 to 13 thousand, it then becomes unstable and then 'damaged card' appears on your phone. I don't trust exFat on my sgs3. Its a pity as you could copy files greater than 4GB. I have found out a way of using NTFS on my sgs3 and 64GB card. It also supports 4GB+ files.

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Posted · Report post

I had a few teething problems, with errors showing and damaged card warnings,but i just formatted and went for it. works fine. files over 4gb are unnessecery to my mind.

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Posted · Report post

I am having the same problem, and found out it is because /system/bin/fsck.exfat segfaults. Here are the relevant parts of logcat:


D/MemorySettings( 7159): Storage : Montar cartão SD

D/MountService( 2127):  :::: mountVolume :: path = /mnt/extSdCard from pid = 7159

D/MountService( 2127): doMountVolume :: Mouting path = /mnt/extSdCard with = mounting

D/MountService( 2127): externalstorage_lock_state =

D/VoldCmdListener( 4249): volume mount /mnt/extSdCard

I/Vold    ( 4249): /dev/block/vold/179:17 being considered for volume sdcard

D/Vold    ( 4249): Volume sdcard state changing 1 (Idle-Unmounted) -> 3 (Checking)

I/MountService( 2127): onEvent:: raw= 605 Volume sdcard /mnt/extSdCard state changed from 1 (Idle-Unmounted) to 3 (Checking) cooked =  605 Volume sdcard /mnt/extSdCard state changed from 1 (Idle-Unmounted) to 3 (Checking)

I/MountService( 2127): updating volume state checking

D/MountService( 2127): updatePublicVolumeState :: path = /mnt/extSdCard, state = checking

D/MountService( 2127): volume state changed for /mnt/extSdCard (unmounted -> checking)

D/Vold    ( 4249): Detected exFAT file system.

I/MountService( 2127): notifyVolumeStateChanged:: path = /mnt/extSdCard,old = unmounted,new = checking

D/MountService( 2127): sendStorageIntent Intent { act=android.intent.action.MEDIA_CHECKING dat=file:///mnt/extSdCard (has extras) }

D/MtpService( 2366): onStorageStateChanged /mnt/extSdCard unmounted -> checking

I/StorageNotification( 2251): Media {/mnt/extSdCard} state changed from {unmounted} -> {checking}

D/STATUSBAR-NotificationService( 2127): cancelNotification - pkg:XXX.XXXXXXX.XXXXXXXX, id:1628873367, tag:null

D/STATUSBAR-NotificationService( 2127): updateLightsLocked() : Turn off notification light

D/KeyguardViewMediator( 2127): setHidden false

D/ApplicationPolicy( 2127): isStatusBarNotificationAllowed: packageName = com.android.systemui

D/ApplicationPolicy( 2127): isStatusBarNotificationAllowed: packageName = com.android.systemui

D/StorageNotification( 2251): setMediaStorageNotification : notify id = 1628873367, path = /mnt/extSdCard, title = A preparar cartão SD...

D/STATUSBAR-NotificationService( 2127): enqueueNotificationInternal - pkg:XXX.XXXXXXX.XXXXXXXX, id:1628873367, tag:null

D/STATUSBAR-NotificationService( 2127): Noti Alert - mSystemReady:true, AlertEnabled:true

D/STATUSBAR-NotificationService( 2127): enqueueNotificationInternal - pkg:XXX.XXXXXXX.XXXXXXXX, id:17301675, tag:null

E/NotificationService( 2127): Ignoring notification with icon==0: Notification(contentView=null vibrate=null,sound=null,defaults=0x0,flags=0x8)

D/STATUSBAR-NotificationService( 2127): Noti Alert - mSystemReady:true, AlertEnabled:true

I//system/bin/fsck.exfat( 4249): fsck.exfat 1.1.0

D/KeyguardViewMediator( 2127): setHidden false

D/KeyguardViewMediator( 2127): setHidden false

D/KeyguardViewMediator( 2127): setHidden false

W/PowerManagerService( 2127): Timer 0x7->0x3|0x0

I/PowerManagerService( 2127): Ulight 0x7->0x3|0x0

D/lights  ( 2127): button : 2 +

D/lights  ( 2127): button : 2 -

D/PowerManagerService( 2127): setLightBrightness : mButtonLight : 0

D/PowerManagerService( 2127): setTimeoutLocked::SmartSleep : after19500

D/STATUSBAR-NotificationService( 2127): enqueueNotificationInternal - pkg:XXX.XXX.XXXXXXXX.XXXX, id:2, tag:null

D/STATUSBAR-NotificationService( 2127): Noti Alert - mSystemReady:true, AlertEnabled:true

D/KeyguardViewMediator( 2127): setHidden false

D/KeyguardViewMediator( 2127): setHidden false

F/libc    ( 8945): Fatal signal 11 (SIGSEGV) at 0x00000008 (code=1)

I/DEBUG   ( 1901): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***

I/DEBUG   ( 1901): Build fingerprint: 'samsung/m0xx/m0:4.0.4/IMM76D/I9300XXBLG8:user/release-keys'

I/DEBUG   ( 1901): pid: 8945, tid: 8945  >>> /system/bin/fsck.exfat <<<

I/DEBUG   ( 1901): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 00000008

I/DEBUG   ( 1901):  r0 400aa1b8  r1 00000000  r2 00000000  r3 400a7460

I/DEBUG   ( 1901):  r4 400aa1b8  r5 400901ec  r6 400a96a0  r7 00000000

I/DEBUG   ( 1901):  r8 014d98d0  r9 00000008  10 ffffffd0  fp 00000001

I/DEBUG   ( 1901):  ip 014d18d0  sp be94b878  lr ffffffd4  pc 4008c9a6  cpsr 40000030

I/DEBUG   ( 1901):  d0  3d184240309b4df7  d1  0000000000000000

I/DEBUG   ( 1901):  d2  0000000000000000  d3  0000000000000000

I/DEBUG   ( 1901):  d4  0000000000000000  d5  0000000000000000

I/DEBUG   ( 1901):  d6  0000000000000000  d7  3d24b3bc00000000

I/DEBUG   ( 1901):  d8  0000000000000000  d9  0000000000000000

I/DEBUG   ( 1901):  d10 0000000000000000  d11 0000000000000000

I/DEBUG   ( 1901):  d12 0000000000000000  d13 0000000000000000

I/DEBUG   ( 1901):  d14 0000000000000000  d15 0000000000000000

I/DEBUG   ( 1901):  d16 41ce9259de341893  d17 3f50624dd2f1a9fc

I/DEBUG   ( 1901):  d18 41c84da6fb800000  d19 0000000000000000

I/DEBUG   ( 1901):  d20 0000000000000000  d21 0000000000000000

I/DEBUG   ( 1901):  d22 0000000000000000  d23 0000000000000000

I/DEBUG   ( 1901):  d24 0000000000000000  d25 0000000000000000

I/DEBUG   ( 1901):  d26 0000000000000000  d27 0000000000000000

I/DEBUG   ( 1901):  d28 0000000000000000  d29 0000000000000000

I/DEBUG   ( 1901):  d30 0000000000000000  d31 0000000000000000

I/DEBUG   ( 1901):  scr 00000010

I/DEBUG   ( 1901):

I/DEBUG   ( 1901):		  #00  pc 0000c9a6  /system/lib/libexfat_utils.so (buf_getblk)

I/DEBUG   ( 1901):		  #01  pc 000077c8  /system/lib/libexfat_utils.so (itr_get_next_dentry)

I/DEBUG   ( 1901):		  #02  pc 0000900e  /system/lib/libexfat_utils.so (exfat_check_dir_internal)

I/DEBUG   ( 1901):		  #03  pc 000094e2  /system/lib/libexfat_utils.so (exfat_check_dir_internal)

I/DEBUG   ( 1901):		  #04  pc 000095a0  /system/lib/libexfat_utils.so (exfat_check_dir)

I/DEBUG   ( 1901):		  #05  pc 00009694  /system/lib/libexfat_utils.so (fs_check)

I/DEBUG   ( 1901):		  #06  pc 0000ac2c  /system/lib/libexfat_utils.so (ffsCheckVol)

I/DEBUG   ( 1901):		  #07  pc 0000bff0  /system/lib/libexfat_utils.so (FsCheckVol)

I/DEBUG   ( 1901):

I/DEBUG   ( 1901): code around pc:

I/DEBUG   ( 1901): 4008c984 f8df6821 6019e084 68626820 f8556042  !h.....` hbhB`U.

I/DEBUG   ( 1901): 4008c994 6801000a 60216060 605c6803 68e26004  ...h``!`.h\`.`.h

I/DEBUG   ( 1901): 4008c9a4 609168a1 68a32100 60d868e0 48176872  .h.`.!.h.h.`rh.H

I/DEBUG   ( 1901): 4008c9b4 8014f8c4 61a16122 68004478 f300fa28  ...."a.axD.h(...

I/DEBUG   ( 1901): 4008c9c4 200ef855 0c3ff003 134ceb02 60e36899  U.. ..?...L..h.`

I/DEBUG   ( 1901):

I/DEBUG   ( 1901): code around lr:

I/DEBUG   ( 1901): ffffffb4 ffffffff ffffffff ffffffff ffffffff  ................

I/DEBUG   ( 1901): ffffffc4 ffffffff ffffffff ffffffff ffffffff  ................

I/DEBUG   ( 1901): ffffffd4 ffffffff ffffffff ffffffff ffffffff  ................

I/DEBUG   ( 1901): ffffffe4 ffffffff ffffffff ffffffff ffffffff  ................

I/DEBUG   ( 1901):

I/DEBUG   ( 1901): stack:

I/DEBUG   ( 1901):	 be94b838  00000100 

I/DEBUG   ( 1901):	 be94b83c  400a96a0 

I/DEBUG   ( 1901):	 be94b840  403d1f08 

I/DEBUG   ( 1901):	 be94b844  00005cf7 

I/DEBUG   ( 1901):	 be94b848  be94b954  [stack]

I/DEBUG   ( 1901):	 be94b84c  00000a25 

I/DEBUG   ( 1901):	 be94b850  00000000 

I/DEBUG   ( 1901):	 be94b854  00005cfc 

I/DEBUG   ( 1901):	 be94b858  00000001 

I/DEBUG   ( 1901):	 be94b85c  400870c3  /system/lib/libexfat_utils.so

I/DEBUG   ( 1901):	 be94b860  be94b878  [stack]

I/DEBUG   ( 1901):	 be94b864  400a96a0 

I/DEBUG   ( 1901):	 be94b868  403d1ee8 

I/DEBUG   ( 1901):	 be94b86c  00016a97 

I/DEBUG   ( 1901):	 be94b870  df0027ad 

I/DEBUG   ( 1901):	 be94b874  00000000 

I/DEBUG   ( 1901): #00 be94b878  be94b93c  [stack]

I/DEBUG   ( 1901):	 be94b87c  400a96a0 

I/DEBUG   ( 1901):	 be94b880  00000003 

I/DEBUG   ( 1901):	 be94b884  00000000 

I/DEBUG   ( 1901):	 be94b888  403d1f88 

I/DEBUG   ( 1901):	 be94b88c  be94b93c  [stack]

I/DEBUG   ( 1901):	 be94b890  00005d00 

I/DEBUG   ( 1901):	 be94b894  400877cd  /system/lib/libexfat_utils.so

I/DEBUG   ( 1901): #01 be94b898  400a96a0 

I/DEBUG   ( 1901):	 be94b89c  00000001 

I/DEBUG   ( 1901):	 be94b8a0  00000003 

I/DEBUG   ( 1901):	 be94b8a4  40089013  /system/lib/libexfat_utils.so

I/DEBUG   ( 1901): !@dumpstate -k -t -n -z -d -o /data/log/dumpstate_app_native -m 8945

I/BootReceiver( 2127): Copying /data/tombstones/tombstone_01 to DropBox (SYSTEM_TOMBSTONE)

I/dumpstate( 8952): begin

I/CrashReportBroadcastReceiver( 7291): New report detected, starting reporting service

I/CrashReporterServiceDelegate( 7291): Running task for: SystemTombstone 10 reports (1 per task)

W/AlarmManager( 2127): FACTORY_ON= 0

E/AmazonAppstore.ApplicationHelper( 7291): Received null package name.

D/CrashReporterServiceDelegate( 7291): Processed 1 SystemTombstone report(s)

D/CrashReporterServiceDelegate( 7291): 9 SystemTombstone report(s) remaining

D/CrashReporterServiceDelegate( 7291): Processed 0 SystemTombstone report(s)

D/CrashReporterServiceDelegate( 7291): No reports remaining to process for SystemTombstone, completing task

So it would seem that for now, if you're using the stock ROM, exfat formatting is broken. :(

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