Gfilui

I have installed Ubuntu 18.04 in a Lenovo 310 and I have some problems after some time (the problem usually happens after watching flash videos on the browser) the filesystem gets read-only. For instance when I try to do ls, the following error appears:

bash: cannot create temp file for here-document: Read-only file system

and with dmesg I find the following:

[ 1113.452578] mmc1: mmc_hs400_to_hs200 failed, error -110 
[ 1113.452615] mmcblk1: timed out sending r/w cmd command, card status 0x400e00 
[ 1113.452617] mmcblk1: command error, retrying timeout 
[ 1113.452908] mmc1: mmc_hs400_to_hs200 failed, error -110 
[ 1113.452931] mmcblk1: timed out sending r/w cmd command, card status 0x400e00 
[ 1113.452933] mmcblk1: command error, retrying timeout 
[ 1123.552180] mmc1: Timeout waiting for hardware interrupt. 
[ 1123.552209] mmc1: sdhci: ============ SDHCI REGISTER DUMP =========== 
[ 1123.552216] mmc1: sdhci: Sys addr: 0x20000008 | Version: 0x00001002 
[ 1123.552223] mmc1: sdhci: Blk size: 0x00007200 | Blk cnt: 0x00000008 
[ 1123.552229] mmc1: sdhci: Argument: 0x02400988 | Trn mode: 0x0000002b 
[ 1123.552235] mmc1: sdhci: Present: 0x1fff0001 | Host ctl: 0x0000003d 
[ 1123.552241] mmc1: sdhci: Power: 0x0000000b | Blk gap: 0x00000080 
[ 1123.552248] mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00000207 
[ 1123.552254] mmc1: sdhci: Timeout: 0x00000006 | Int stat: 0x00000000 
[ 1123.552260] mmc1: sdhci: Int enab: 0x02ff000b | Sig enab: 0x02ff000b 
[ 1123.552266] mmc1: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000000 
[ 1123.552272] mmc1: sdhci: Caps: 0x546ec881 | Caps_1: 0x80000807 
[ 1123.552278] mmc1: sdhci: Cmd: 0x0000193a | Max curr: 0x00000000 
[ 1123.552285] mmc1: sdhci: Resp[0]: 0x00400e00 | Resp[1]: 0x00000000 
[ 1123.552291] mmc1: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00400e00 
[ 1123.552296] mmc1: sdhci: Host ctl2: 0x0000000d 
[ 1123.552303] mmc1: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x000000016f310200 
[ 1123.552306] mmc1: sdhci: ============================================ 
[ 1123.552579] mmcblk1: error -110 sending stop command, original cmd response 0x0, card status 0x400900 
[ 1123.552619] mmcblk1: error -110 transferring data, sector 37751176, nr 8, cmd response 0x0, card status 0x0 

When I reboot, there is a terminal telling me to run fsck and after doing that and rebooting again the system is again fine (for a while).

I have read that this might be a kernel problem, but that might be also be a problem with my hardware.

Could someone help me to discover which is the problem? Which log information can I provide to clarify this?

You have a hardware problem, but you might be able to save the eMMC by doing the following:

1. plug the eMMC into another computer running Ubuntu


2. 
   

   install ddrescue:

   
   
   

   sudo apt-get install gddrescue
   

   
   


3. 
   

   copy the eMMC to an image on the HDD of the other computer:

   
   
   

   ddrescue --direct --retry-passes=3 /dev/XdY /tmp/eMMC.img /tmp/eMMC.log
   

   
   
   

   The above command will tells ddrescue to:

   
   
   
   • 
     --direct use direct disk access and ignore the kernel’s cache
   
   
   • 
     --retry-passes=3 retry bad sectors 3 times before giving up.
   
   
   • 
     /dev/XdY is the MMC we are rescuing where X and Y denominate the identifier of the MMC
   
   
   • 
     eMMC.img is the name of the image file
   
   
   • 
     eMMC.log is the name of the logfile. Always use a logfile. This allows you to resume an interrupted image at the point you left off, or to retry bad sectors after an initial pass. Without a logfile, you will have to start over again!
   
   



4. After that completes, unmount the MMC if needed



5. 
   

   Insert a new MMC in the MMC slot of the computer and execute:

   
   
   

   ddrescue --force /tmp/eMMC.img /dev/XdY /tmp/eMMC.restore.log
   

   
   



6. insert the new MMC back into your Lenovo and reboot

Done!