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#1 |
Guru
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kindle mounting read-only on linux mint system
I am encountering a problem today that my pw4 is mounting read-only on my linux mint system. I have tried restarting the PW4, but that makes no difference. the mount command shows:
Code:
dhdurgee@z560:~/Downloads$ mount | grep /media/dhdurgee/Kindle /dev/sdc on /media/dhdurgee/Kindle type vfat (ro,nosuid,nodev,relatime,uid=1000,gid=1000,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2) dhdurgee@z560:~/Downloads$ I do have usbnet installed and can ssh to the pw4 if more information is available from there or if the fix can be done there. Dave |
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#2 |
Grand Sorcerer
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The EMMC on your PW4 might be worn out.
You can try enabling USBnet, ssh to the kindle, and try touch on a new or existing file somewhere in /mnt/us Also try mounting the root filesystem "/" rw and creating a new file in /etc/or somewhere. |
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#3 | |
Guru
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Quote:
I have not tried to use Calibre again with it plugged into the USB. Obviously I will do so the next time I want to copy a book over. If it dosn't work at that time I guess I will check and see if there is a way for Calibre to use sftp to do its work. Thanks for the suggestion. Dave |
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#4 |
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I am still encountering this problem and wondering how to correct it.
Will there be any messages logged on the PW4 when I plug it in that might clarify why it is only allowing a read-only mount? I have USBNetworking installed and can SSH into the PW4 over WiFi, so I should be able to issue commands to retrieve messages from the log. Any help appreciated. Dave |
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#5 | |
Grand Sorcerer
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Quote:
Code:
dmesg | tail I never put any of my kindles into USB mass storage mode and use scp to copy files in either direction. With no USB connection, can you write to /mnt/us using an on kindle terminal or ssh? |
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#6 |
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I finally got around to looking into this a bit more. I did ssh into the PW4 and confirmed that I could dmesg | tail there, but I found that after plugged in the USB connection that the session froze and I later got a "[root@kindle root]# client_loop: send disconnect: Broken pipe" and was unable to retrieve anything from there. Here is what I saw on the linux side:
Code:
dhdurgee@z560:~/Downloads$ dmesg | tail [29683.225009] scsi host6: usb-storage 2-1.1:1.0 [29684.239152] scsi 6:0:0:0: Direct-Access Kindle Internal Storage 0401 PQ: 0 ANSI: 2 [29684.240379] sd 6:0:0:0: Attached scsi generic sg3 type 0 [29684.241729] sd 6:0:0:0: Power-on or device reset occurred [29684.242626] sd 6:0:0:0: [sdc] Media removed, stopped polling [29684.253800] sd 6:0:0:0: [sdc] 13090733 512-byte logical blocks: (6.70 GB/6.24 GiB) [29684.466062] sd 6:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [29684.466120] sdc: detected capacity change from 0 to 13090733 [29684.466130] sd 6:0:0:0: [sdc] Attached SCSI removable disk [29684.688948] sdc: [29785.419318] FAT-fs (sdc): error, corrupted directory (invalid entries) [29785.419369] FAT-fs (sdc): Filesystem has been set read-only [29786.926014] FAT-fs (sdc): error, corrupted directory (invalid entries) dhdurgee@z560:~/Downloads$ dmesg | tail [30026.765434] scsi 6:0:0:0: Direct-Access Kindle Internal Storage 0401 PQ: 0 ANSI: 2 [30026.766542] sd 6:0:0:0: Attached scsi generic sg3 type 0 [30026.767067] sd 6:0:0:0: Power-on or device reset occurred [30026.767901] sd 6:0:0:0: [sdc] Media removed, stopped polling [30026.776464] sd 6:0:0:0: [sdc] Attached SCSI removable disk [30026.888270] sd 6:0:0:0: [sdc] 13090733 512-byte logical blocks: (6.70 GB/6.24 GiB) [30027.109915] sd 6:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [30027.109952] sdc: detected capacity change from 0 to 13090733 [30027.111816] sdc: [30027.548698] FAT-fs (sdc): Volume was not properly unmounted. Some data may be corrupt. Please run fsck. So it seems I have some corruption, which I assume should be fixed via the PW4 ssh terminal and not using fsck on linux. What is the appropriate command to issue there? Dave PS: Taking a quick look at mounts on the PW4 I assume that /mnt/base-us is the system to check, but the appropriate options for the fsck command are needed. Last edited by dhdurgee; 05-31-2024 at 06:51 PM. Reason: add a PS |
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#7 |
Bibliophagist
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Not sure if this is installed on a Kindle but you could try:
sudo umount /dev/sdc sudo dosfsck -t -a -w /dev/sdc You may need to set the device name properly (sdc1 or whatever). |
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#8 |
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I just did the following via ssh on the pw4:
Code:
[root@kindle root]# fsck.vfat /dev/loop/0 dosfsck 2.11, 12 Mar 2005, FAT32, LFN Clearing dirty flag Long filename fragment ":6eh:1BL:2bg:2ZI:E7v:9jb:4JF:DgE:B-j:FqH:2ot:EtR:81U" found outside a LFN sequence. (Maybe the start bit is missing on the last fragment) 1: Delete fragment 2: Leave it as it is. 3: Set start bit ? 2 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr Has a large number of bad entries. (74/142) Drop directory ? (y/n) n /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr/��1\221���\227.'�\226 Bad file name. 1) Drop file 2) Rename file 3) Auto-rename 4) Keep it ? 4 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr/�\216�9pݷ\236.\221z� Bad file name. 1) Drop file 2) Rename file 3) Auto-rename 4) Keep it ? 4 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr/�y���)�.`�j Bad file name. 1) Drop file 2) Rename file 3) Auto-rename 4) Keep it ? 4 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr/�\234iX�̥\213.�@d Bad file name. 1) Drop file 2) Rename file 3) Auto-rename 4) Keep it ? 4 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr/ٹS���B0.\202v� Bad file name. 1) Drop file 2) Rename file 3) Auto-rename 4) Keep it ? 4 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr "." is missing. Can't fix this yet. /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr ".." is missing. Can't fix this yet. Leaving file system unchanged. /dev/loop/0: 20752 files, 228014/817083 clusters [root@kindle root]# How should I respond on my next pass to actually correct these various errors? Dave |
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#9 |
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Any input from anyone on the output from fsck.vfat /dev/loop/0 above? Should I simply add the "-a" option which is documented as:
Code:
-a Automatically repair the filesystem. No user intervention is necessary. Whenever there is more than one method to solve a problem, the least destructive approach is used. |
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#10 |
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Given the lack of further assistance thus far I gave a try at this without success. Here is the results of my latest attempt:
Code:
dhdurgee@z560:~/Downloads$ ssh root@pw4 Welcome to Kindle! [root@kindle root]# fsck.vfat /dev/loop/0 dosfsck 2.11, 12 Mar 2005, FAT32, LFN Clearing dirty flag Long filename fragment ":6eh:1BL:2bg:2ZI:E7v:9jb:4JF:DgE:B-j:FqH:2ot:EtR:81U" found outside a LFN sequence. (Maybe the start bit is missing on the last fragment) 1: Delete fragment 2: Leave it as it is. 3: Set start bit ? 1 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr Has a large number of bad entries. (74/142) Drop directory ? (y/n) y Reclaimed 63 unused clusters (516096 bytes). Free cluster summary wrong (598754 vs. really 598817) 1) Correct 2) Don't correct ? 1 Leaving file system unchanged. /dev/loop/0: 20210 files, 218266/817083 clusters [root@kindle root]# fsck.vfat -a /dev/loop/0 dosfsck 2.11, 12 Mar 2005, FAT32, LFN Clearing dirty flag Long filename fragment ":6eh:1BL:2bg:2ZI:E7v:9jb:4JF:DgE:B-j:FqH:2ot:EtR:81U" found outside a LFN sequence. (Maybe the start bit is missing on the last fragment) Not auto-correcting this. Checksum in long filename part wrong (90 vs. expected 57). Not auto-correcting this. /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr Has a large number of bad entries. (65/142) Not dropping it in auto-mode. /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr "." is missing. Can't fix this yet. /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr ".." is missing. Can't fix this yet. Performing changes. /dev/loop/0: 20214 files, 218329/817083 clusters [root@kindle root]# fsck.vfat -a /dev/loop/0 dosfsck 2.11, 12 Mar 2005, FAT32, LFN Long filename fragment ":6eh:1BL:2bg:2ZI:E7v:9jb:4JF:DgE:B-j:FqH:2ot:EtR:81U" found outside a LFN sequence. (Maybe the start bit is missing on the last fragment) Not auto-correcting this. Checksum in long filename part wrong (90 vs. expected 57). Not auto-correcting this. /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr Has a large number of bad entries. (65/142) Not dropping it in auto-mode. /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr "." is missing. Can't fix this yet. /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr ".." is missing. Can't fix this yet. /dev/loop/0: 20214 files, 218329/817083 clusters [root@kindle root]# fsck.vfat /dev/loop/0 dosfsck 2.11, 12 Mar 2005, FAT32, LFN Long filename fragment ":6eh:1BL:2bg:2ZI:E7v:9jb:4JF:DgE:B-j:FqH:2ot:EtR:81U" found outside a LFN sequence. (Maybe the start bit is missing on the last fragment) 1: Delete fragment 2: Leave it as it is. 3: Set start bit ? 1 /documents/Downloads/Items01/Holy Rebel_ Armed with Truth, Stand Your Ground, and Rebel Against Hell:20Ps Agenda._B0BM1XM884.sdr Has a large number of bad entries. (74/142) Drop directory ? (y/n) y Reclaimed 63 unused clusters (516096 bytes). Free cluster summary wrong (598754 vs. really 598817) 1) Correct 2) Don't correct ? 1 Leaving file system unchanged. /dev/loop/0: 20210 files, 218266/817083 clusters [root@kindle root]# exitConnection to pw4 closed. dhdurgee@z560:~/Downloads$ What I find puzzling is I tell it to make corrections, yet it does NOT do so. I have also tried some work from my laptop while plugged in, specifically trying to delete the /documents/Downloads/Items01 sub-directory, without success. I don't even see the above referenced sub-directory, so I can't delete it only from there. Further suggestions appreciated. Dave |
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#11 |
Grand Sorcerer
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It seems to me that your kindle's internal flash memory is worn out.
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#12 | |
Guru
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Quote:
I am also able to keep current with magazine subscriptions via Kindle Unlimited. Given I am able to add books in this manner the flash memory is obviously functioning. The puzzle is why does a USB mount result in problems and why can't fsck.vfat correct the problems. Dave |
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#13 |
Grand Sorcerer
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Did you run fsck on the kindle or your PC? Running it on a mounted partition is a bad idea anytime, and it is my understanding that, at least in the case of a kindle, what shows up over usbfs is not the real partition.
Code:
[root@kindle root]# grep mmc /etc/fstab /dev/mmcblk0p1 / ext3 suid,exec,auto,nouser,async,rw,noatime,nodiratime 0 1 /dev/mmcblk1p1 /mnt/base-mmc vfat defaults,noatime,nodiratime,utf8,noexec,shortname=mixed 0 0 fsp#/mnt/base-mmc /mnt/mmc fuse rw,max_write=65536,max_readahead=65536,noatime,exec,nosuid,nodev,nonempty 0 0 [root@kindle root]# grep mnt/us /etc/fstab fsp#/mnt/base-us /mnt/us fuse allow_other,umask=0,uid=0,gid=0,rw,max_write=65536,max_readahead=65536,noatime,noexec,nosuid,nodev,nonempty 0 0 /dev/mmcblk1p1 is the user store partition Note the presence of the 2 fuse file systems. If /dev/mmcblk1p1 is corrupted I guess you could disable usbfs by enabling usbnetworking and ssh in and unmount /mnt/us and /mnt/mmc and /mnt/base-mmc then run fsck on /dev/mmcblk1p1 I have no idea how to run fsck on a fuse system. |
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#14 | |
Guru
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Quote:
Code:
[root@kindle root]# mount | grep vfat /dev/loop/0 on /mnt/base-us type vfat (rw,noexec,noatime,nodiratime,fmask=0000,dmask=0000,allow_utime=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro) [root@kindle root]# I get the following with the commands you used: Code:
[root@kindle root]# grep mmc /etc/fstab /dev/mmcblk0p1 / ext3 suid,exec,auto,nouser,async,rw,noatime,nodiratime 0 1 /dev/mmcblk1p1 /mnt/base-mmc vfat defaults,noatime,nodiratime,utf8,noexec,shortname=mixed 0 0 fsp#/mnt/base-mmc /mnt/mmc fuse rw,max_write=65536,max_readahead=65536,noatime,exec,nosuid,nodev,nonempty 0 0 [root@kindle root]# grep mnt/us /etc/fstab fsp#/mnt/base-us /mnt/us fuse allow_other,umask=0,uid=0,gid=0,rw,max_write=65536,max_readahead=65536,noatime,noexec,nosuid,nodev,nonempty,hard_remove 0 0 I am using ssh via WiFi, so would it be sufficient to umount the three and then run the fsck.vfat? Thank you for any further pointers you may have. Dave |
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#15 |
Grand Sorcerer
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I don't know. I have no experience with running fsck on loop devices or fuse file systems, and have no idea what complicated scheme is used to map the /dev/mmcblk1p1 device eventually to /mnt/us
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