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Posts: 3 | Thanked: 0 times | Joined on Dec 2009
#1
Two weeks ago my N900 started to behave strange - some programs could not be started. I switched it off and on again. N900 booted by graphical element were missing, colors were strange, etc.

I managed to start X-Terminal and found out that /dev/mmcblk0p2 was not mounted on /home. Graphical elements were probably missing because I moved them to /home/opt according to instructions found here: http://wiki.maemo.org/Free_up_rootfs_space

I could not fix partition with e2fsck, reformat file system with mkfs.ext3 or flash the eMMC content. But managed to flash latest firmware according to instructions found here: http://wiki.maemo.org/Updating_the_firmware

I sent my N900 to official Nokia repair center, but it came back without being fixed - "nothing wrong with device" according to them.

Output from 'mount':
rootfs on / type rootfs (rw)
ubi0:rootfs on / type ubifs (rw,bulk_read,no_chk_data_crc)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
tmpfs on /tmp type tmpfs (rw,noatime,size=1024k)
tmpfs on /var/run type tmpfs (rw,nosuid,noatime,size=256k,mode=755)
none on /dev type tmpfs (rw,noatime,size=10240k,mode=755)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,noatime,size=65536k)
nodev on /sys/kernel/debug type debugfs (0)
/dev/mmcblk0p1 on /home/user/MyDocs type vfat (rw,noauto,nodev,noexec,nosuid,noatime,nodiratime, utf8,uid=29999,shortname=mixed,dmask=000,fmask=013 3,rodir)


Output from 'df -h':
Filesystem Size Used Available Use% Mounted on
rootfs 227.9M 162.8M 60.9M 73% /
ubi0:rootfs 227.9M 162.8M 60.9M 73% /
tmpfs 1.0M 60.0k 964.0k 6% /tmp
tmpfs 256.0k 68.0k 188.0k 27% /var/run
none 10.0M 72.0k 9.9M 1% /dev
tmpfs 64.0M 4.0k 64.0M 0% /dev/shm
/dev/mmcblk0p1 27.0G 648.5M 26.4G 2% /home/user/MyDocs


After trying to do 'mkfs.ext3 /dev/mmcblk0p2' I find such lines in output from 'dmesg':
[ 892.505706] mmcblk0: error -110 transferring data, sector 58743105, nr 7, card status 0x200900
[ 892.505737] end_request: I/O error, dev mmcblk0, sector 58743105
[ 892.516876] mmcblk0: error -110 transferring data, sector 58743106, nr 6, card status 0x200900
[ 892.516906] end_request: I/O error, dev mmcblk0, sector 58743106
[ 892.528045] mmcblk0: error -110 transferring data, sector 58743107, nr 5, card status 0x200900
[ 892.528076] end_request: I/O error, dev mmcblk0, sector 58743107
[ 892.539215] mmcblk0: error -110 transferring data, sector 58743108, nr 4, card status 0x200900
[ 892.539245] end_request: I/O error, dev mmcblk0, sector 58743108
[ 892.550384] mmcblk0: error -110 transferring data, sector 58743109, nr 3, card status 0x200900
[ 892.550415] end_request: I/O error, dev mmcblk0, sector 58743109
[ 892.551727] Buffer I/O error on device mmcblk0p2, logical block 263968


For me it looks like there is some hardware problem with internal flash memory (eMMC), some kind of bad sectors?

Did I miss something? Should I try something else? How to explain Nokia repair center that device is not fully functional?

I could probably repartition the flash (according to instructions found here: http://wiki.maemo.org/Repartitioning_the_flash)
to avoid problematic part of flash, but I want to have device without any such hardware problems (if it's hw problem).
 
Posts: 12 | Thanked: 1 time | Joined on Nov 2009
#2
I'm experiencing almost the same problems.

My N900 is complaining about errors on mmcblk0, any ideas?

The errors are:

[81613.395782] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.395812] mmcblk0: error -110 transferring data, sector 56696903, nr 1, card status 0x0
[81613.395812] end_request: I/O error, dev mmcblk0, sector 56696903
[81613.395843] Buffer I/O error on device mmcblk0p2, logical block 8192
[81613.395965] mmcblk0: retrying using single block read
[81613.396057] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.396087] mmcblk0: error -110 transferring data, sector 56696896, nr 8, card status 0x0
[81613.396118] end_request: I/O error, dev mmcblk0, sector 56696896
[81613.396179] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.396209] mmcblk0: error -110 transferring data, sector 56696897, nr 7, card status 0x0
[81613.396240] end_request: I/O error, dev mmcblk0, sector 56696897
[81613.396331] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.396362] mmcblk0: error -110 transferring data, sector 56696898, nr 6, card status 0x0
[81613.396362] end_request: I/O error, dev mmcblk0, sector 56696898
[81613.396453] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.396484] mmcblk0: error -110 transferring data, sector 56696899, nr 5, card status 0x0
[81613.396514] end_request: I/O error, dev mmcblk0, sector 56696899
[81613.396575] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.396606] mmcblk0: error -110 transferring data, sector 56696900, nr 4, card status 0x0
[81613.396636] end_request: I/O error, dev mmcblk0, sector 56696900
[81613.396697] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.396728] mmcblk0: error -110 transferring data, sector 56696901, nr 3, card status 0x0
[81613.396759] end_request: I/O error, dev mmcblk0, sector 56696901
[81613.396850] mmcblk0: error -110 sending status comand<3>mmcblk0: error -110 sending read/write command, response 0x0, card status 0x0
[81613.396881] mmcblk0: error -110 transferring data, sector 56696902, nr 2, card status 0x0
[81613.396881] end_request: I/O error, dev mmcblk0, sector 56696902
Any ideas?

Last edited by Snow_King; 2010-04-21 at 18:02.
 
Posts: 12 | Thanked: 1 time | Joined on Nov 2009
#3
I've just returned my N900 to a Nokia service point here in the Netherlands.

Attached you will find a letter i sent with my N900. Seems to me the internal memory is broken

EDIT: Attachment is to large, a download link: http://zooi.widodh.nl/forums/maemo-t...nokia_n900.pdf

Last edited by Snow_King; 2010-04-28 at 09:09.
 
Posts: 12 | Thanked: 1 time | Joined on Nov 2009
#4
Well, i got my phone back from the Noka Service Center for the second time and it's still broken, see my blog: http://blog.widodh.nl/2010/05/nokia-shame-on-you/

Shame on you Nokia.
 
Posts: 3 | Thanked: 0 times | Joined on Dec 2009
#5
Yesterday I got back N900 from service. It's a new device and it seems everything works ok. With device came a new 24 month warranty starting on May 26th. I'm happy about that.

But on the other side I find it strange that it took almost one month to resolve my issue - I handed over my device with 3 page description of a problem on April 27th. And that was a second time, first time device was "serviced" for a week in the first half of April and returned without any fix.

In the mean time I become a happy user of a different smartphone and will probably not switch back to N900. The main reason - servicing took to long so I had enough time to get used with new device, to move all my data, to customize my new device, ...
 
Posts: 15 | Thanked: 12 times | Joined on Jan 2010
#6
Same to me.

I'm so unhappy with the nokia care support. After 2 times of giving my device they did nothing. Third time they said that there was a file corrupted in the system (false suspicion), and that this kind of reparation isn't covered by warranty, So I had to pay 100 € to repair n900. I was not agree paying that, but they said that if I don't want to pay they'll send back the phone as I have sent. After paying THE DEVICE IS IN THE SAME STATE. I'm so sorry nokia. You re about to loose not only a customer, also a developer (I have developed support for icecast in n900, and Qice app).
Good OS but a customer service is a shame...

Also is a shame that you cannot contact the global office of nokia support. Only the local ones. And here in spain they are not doing the job...
Does anybody knows where I have to write to explain it to global nokia?
 
Posts: 18 | Thanked: 5 times | Joined on Apr 2010
#7
I ran into the same problem. My mmcblk0p2 partition started to fall apart with a lot of badblocks and read errors.
I reflashed successfully with the RX-51_2009SE_20.2010.36-2_PR_COMBINED_MR0_ARM.bin image.
then I tried to reflash the emmc and it failed.
After a lot of reflashing of the os image i finally got into the situation where i got the os installed and the mmcblk0p2 patition unmounted due to filesystem failure.
Then i put the n900 in r&d mode.
Ran
badblocks -w /dev/mmcblk0p2
several times.
I seems like the pattern writing by the badblocks application did the same job as a flash formatter and i got into a situation where there where o badblock left.
Then I ran
mkfs.ext3 /dev/mmcblk0p2
and
fsck.ext3 /dev/mmcblk0p2

Finally a last reflash of the os image

And to my surprise the phone was ok again!
 

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Posts: 18 | Thanked: 5 times | Joined on Apr 2010
#8
And I forgot, I had to recreate the folder /home/opt before the final os reflash so that the mounting worked.
 
judibet's Avatar
Posts: 128 | Thanked: 41 times | Joined on Nov 2010 @ BONDY, FRANCE
#9
Try this: http://talk.maemo.org/showthread.php...37#post1199437

That's working for me.
__________________
Mulder FOX
Nokia N900 PR1.3@1GHz
 
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