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marmistrz	2015-05-14 , 14:54
Posts: 3,328 \| Thanked: 4,476 times \| Joined on May 2011 @ Poland	#1

Some time ago I had such a problem: http://talk.maemo.org/showthread.php...52#post1463452

This problem has been occurring quite often (too often for it to be the cause of dirty battery pins). The N900 spontaneously reboots. Then it is running for a couple of minutes and one more reboot. It does not depend on the SIM card's presence. Neither is FS corruption since I did a complete reflash.

I had the BME replacement installed. After removing it (don't know whether correctly) with
apt-get install bme-rx-51=0.8.55+0m5 dsme-thermalobject-surface=0. 0.1+0m5 hald-addon-bme=0.0.17+0m5 libbmeipc0=0.8.55+0m5

the problem persists. Bending the golden contact points a little is to no avail, neither the metal elements holding the battery.

What might it be? Some unrepairable hw damage?

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	n900hacker	2015-05-14 , 15:02
	Posts: 87 \| Thanked: 75 times \| Joined on Sep 2012 @ Brescia, Italy	#2

Do you have the swap space on sd card? Mine reached the maximum number of read/write cycles and caused random reboots. I got the phone's behaviour back to normality by buying a new micro sd

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Nokia N900 64 GB @ ideal voltage (250-600 mHz)
Kernel-power v53
CSSU testing 21.2011.38-1 T Maemo10

Nokia N810 16 GB
CSSU Stable
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marmistrz	2015-05-14 , 15:21
Posts: 3,328 \| Thanked: 4,476 times \| Joined on May 2011 @ Poland	#3

Yep, on micro SD. I'll try it

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marmistrz	2015-05-14 , 16:37
Posts: 3,328 \| Thanked: 4,476 times \| Joined on May 2011 @ Poland	#4

And is there any way to check whether the SD card has exceeded its cycle limit?

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	n900hacker	2015-05-14 , 21:46
	Posts: 87 \| Thanked: 75 times \| Joined on Sep 2012 @ Brescia, Italy	#5

I don't know... Maybe google will tell. Have you noticed any performance slowdown?

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Nokia N900 64 GB @ ideal voltage (250-600 mHz)
Kernel-power v53
CSSU testing 21.2011.38-1 T Maemo10

Nokia N810 16 GB
CSSU Stable
Diablo Turbo

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	pichlo	2015-05-14 , 22:35
	Posts: 6,445 \| Thanked: 20,981 times \| Joined on Sep 2012 @ UK	#6

Any disk benchmark tool should be able to do it.

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insanelysexy	2015-05-15 , 03:20
Posts: 104 \| Thanked: 113 times \| Joined on Apr 2012	#7

or you can reboot and change the swap space to SD card and monitor swap in use from CONKY. The moment it tries to write to swap, it should reboot.

Mine did, about after 20-30mb in SD. It was a card i/o error. And maybe you can use dmesg for given errors.

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	Kangal	2015-05-15 , 04:54
	Posts: 1,789 \| Thanked: 1,699 times \| Joined on Mar 2010	#8

For some reason I read the title as spontaneous ROBOTS come back...

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I vote that Kangal replace Elop!

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marmistrz	2015-05-15 , 15:58
Posts: 3,328 \| Thanked: 4,476 times \| Joined on May 2011 @ Poland	#9

So, as the error occurs while writing, I did

Code:

$ cat /dev/zero > /media/mmc1/iotest
-sh: can't create /media/mmc1/iotest: Read-only file system
$ sudo fsck -a /dev/mmcblk1p1
fsck 1.42.5 (29-Jul-2012)
dosfsck 3.0.12, 29 Oct 2011, FAT32, LFN
0x41: Dirty bit is set. Fs was not properly unmounted and some data may be corrupt.
 Automaticaly removing dirty bit.
/sms/20140928
  Contains a free cluster (264063). Assuming EOF.
/sms/20140930
  Contains a free cluster (264390). Assuming EOF.
/sms/20140921/plugins
  Contains a free cluster (27257). Assuming EOF.
/sms/20140922/plugins
  Contains a free cluster (27325). Assuming EOF.
/sms/20140924/plugins
  Contains a free cluster (184557). Assuming EOF.
/sms/20140927/plugins
  Contains a free cluster (264062). Assuming EOF.
/sms/20140929/plugins
  Contains a free cluster (264266). Assuming EOF.
/.modest/local_folders
  Contains a free cluster (26816). Assuming EOF.
/Sounds/Deliverance/1990 - Weapons of Our Warfare/.mediaartlocal
  Contains a free cluster (264550). Assuming EOF.
/Sounds/Deliverance/1991 - What A Joke/.mediaartlocal
  Contains a free cluster (264523). Assuming EOF.
/Sounds/Deliverance/1992 - Intense Live Series Vol. 1/.mediaartlocal
  Contains a free cluster (264530). Assuming EOF.
/Sounds/Deliverance/1992 - Stay of Execution/.mediaartlocal
  Contains a free cluster (264569). Assuming EOF.
/Sounds/Deliverance/1993 - Learn/.mediaartlocal
  Contains a free cluster (264545). Assuming EOF.
/Sounds/Deliverance/1994 - River Disturbance/.mediaartlocal
  Contains a free cluster (264557). Assuming EOF.
/Sounds/Deliverance/1995 - Camelot in Smithereens/.mediaartlocal
  Contains a free cluster (264537). Assuming EOF.
/Sounds/Deliverance/2007 - As Above - So Below/.mediaartlocal
  Contains a free cluster (264562). Assuming EOF.
/Sounds/Creed/1997 - My Own Prison
  Contains a free cluster (144271). Assuming EOF.
/Sounds/Bon Jovi/1984 - Bon Jovi
  Contains a free cluster (206959). Assuming EOF.
/Sounds/Brides of Destruction/2004 - Here Come the Brides/.mediaartlocal
  Contains a free cluster (408751). Assuming EOF.
/Sounds/Slash/2014 - World on Fire/.mediaartlocal
  Contains a free cluster (328209). Assuming EOF.
/Sounds/Pain of Salvation/2007 - Scarsick/.mediaartlocal
  Contains a free cluster (408734). Assuming EOF.
/Sounds/Riverside/2009 - Anno Domini High Definition/.mediaartlocal
  Contains a free cluster (328194). Assuming EOF.
/Sounds/Angra/2015 - Secret Garden
  Contains a free cluster (352960). Assuming EOF.
/Sounds/:0Gj:0G-:0Gu:0Gq:0Gr:0Gy:0Gu:0HF/1999 - :0GT:0Gm :0GQ:0H0:0Gm:0HE :0GI:0H0:0Gr:0Gy:0Gr:0Gz:0Gu
  Contains a free cluster (408760). Assuming EOF.
/Sounds/Cacophony/1987 - Speed Metal Symphony
  Contains a free cluster (430102). Assuming EOF.
Unable to create unique name

The previous time I ran fsck, there was an I/O error.

But it's weird since I bought the card one year ago. Is subject to warranty?

/edit: the fsck on my desktop fixed the system without errors.

/edit2: the mmc copying is indeed quite slow, but emmc is as well at times, so it might be related to my whole device.

/edit3: a lot of

Code:

end_request: I/O error, dev mmcblk1 sector <>

in the dmesg

/edit4: another I/O error while copying data from mmc to pc

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Last edited by marmistrz; 2015-05-15 at 16:07.

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insanelysexy	2015-05-15 , 17:42
Posts: 104 \| Thanked: 113 times \| Joined on Apr 2012	#10

Well I dont really know whats happening, but just to share :

I had this mmc ( 32 gd Sandisk class 10). It works like copy files and stuff but it simply wont adjust a swap on itself. It did everything right except swap. For swap, it used to give those I/O errors adn device used to reboot after 20-30mb of write. Formatted it thousand times but to no avail..

Maybe try a new sd card. Since I/O error is from PC to card too, maybe issue is with card only.