Bad Sector Checking Tool ?

Qwill · 01-10-2012, 03:28 PM

Hi there !

I am considering applying the allmine update to my PE (The one that experienced WSOD just a few weeks before Entourage closed, I was lucky to get it repaired just in time...) but I'm still cautious and doubtfull...

In order to avoid to be trapped due to bad NAND memory sector like some of us, is there a way to check out the memory in the PE prior to reflash it ?
(I mean a sort of chkdsk or e2fsck command for android that we can do within the actual ermine installation (certainly as root)

Qwill

tekknogenius · 01-10-2012, 07:49 PM

Good question. I would think that it might not be possible on a live system. Access to the nand (mtd device) may only be possible before it is mounted and chrooted to. Perhaps one could using the update.zip method (i.e. creating an update.zip file with the appropriate commands to do the bad block checking and dumping the log somewhere in the event there are bad blocks, then one could create another update.zip file with the commands to mark them as bad. I think the commands are listed in vicinc's thread about his borked device which had bad blocks in it)

http://www.linux-mtd.infradead.org/doc/ubifs.html
http://www.sakoman.com/OMAP/how-to-w...e-to-nand.html

rixeta · 02-06-2012, 09:39 PM

serial (surgery) method will do it for you..

01-10-2012, 03:28 PM	#1
Qwill Enthusiast Posts: 25 Karma: 10 Join Date: Mar 2011 Device: Pocket eDGe	Bad Sector Checking Tool ? Hi there ! I am considering applying the allmine update to my PE (The one that experienced WSOD just a few weeks before Entourage closed, I was lucky to get it repaired just in time...) but I'm still cautious and doubtfull... In order to avoid to be trapped due to bad NAND memory sector like some of us, is there a way to check out the memory in the PE prior to reflash it ? (I mean a sort of chkdsk or e2fsck command for android that we can do within the actual ermine installation (certainly as root) Qwill

01-10-2012, 07:49 PM	#2
tekknogenius Groupie Posts: 198 Karma: 1118 Join Date: Jul 2011 Device: Pocket Edge	Good question. I would think that it might not be possible on a live system. Access to the nand (mtd device) may only be possible before it is mounted and chrooted to. Perhaps one could using the update.zip method (i.e. creating an update.zip file with the appropriate commands to do the bad block checking and dumping the log somewhere in the event there are bad blocks, then one could create another update.zip file with the commands to mark them as bad. I think the commands are listed in vicinc's thread about his borked device which had bad blocks in it) http://www.linux-mtd.infradead.org/doc/ubifs.html http://www.sakoman.com/OMAP/how-to-w...e-to-nand.html Last edited by tekknogenius; 01-10-2012 at 07:59 PM.

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02-06-2012, 09:39 PM	#3
rixeta Enthusiast Posts: 26 Karma: 1078 Join Date: Jan 2012 Device: Edge Entourage	serial (surgery) method will do it for you..

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