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1answer
34 views

fixing an Ubuntu install on a flash memory with defective blocks

I've recently bought a cheap mini-PC with an ARM SOC and a 8GB builtin flash memory. I've flashed the Ubuntu Trusty image on the internal NAND but after a while i've started noticing random file ...
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1answer
107 views

How can I determine the cause of CF card corruption?

I installed qnx in my CF card and made it bootable and it was working well. However, yesterday it stopped working while my system was running. Checking the filesystem revealed that it was corrupted. ...
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1answer
51 views

Is it okay to run my system off a flash drive?

I've been running my main system off a Linux persistent LiveCD flash drive for a couple months. The drive has a 2 GiB fat32 boot partition, and a 12.91 GiB ext2 casper-rw partition. I'm ...
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1answer
301 views

flash_erase & nandwrite seem to work, but uname -a shows the same kernel version

I've seen this question: How can I flash_erase mtd0? I have a similar problem with my mini2440. When I use flash_erase /dev/mtd2 0 0 and then nandwrite -p -N /dev/mtd2 uImage-mini2440 ...
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0answers
608 views

Are there any tools to test MTD/JFFS2 for Linux 2.4 kernels

I have some issues with a platform I support and I suspect memory problems. I wanted to check the Flash parts using some MTD JFFS2 test tools, I found a link to a bunch on this site. However they ...
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0answers
24 views

How to check flash memory for ECC errors from the Linux command line

Is there a way to check flash memory for ECC errors from the Linux command line? Note that I do not want to correct ECC errors. I just want to detect errors and list page addresses where they occur.
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0answers
31 views

How to use blktrace to monitor the eMMC Flash access pattern?

I'm trying to simulate a FTL(Flash Translation Layer) algorithm and evaluate its performance. What I need is a trace file of a flash access(containing information about block and page access). I'm ...
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0answers
137 views

Reduce cache size of flash storage devices

For various benefits Linux uses a memory cache for writes to removable stogare devices like memory sticks. This cache seems to be quite large on my system, which leads to some annoying behavior. For ...
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0answers
33 views

How to diagnose potential JFFS2 flash problems?

I have a large fleet of embedded ARM systems using the JFFS2 filesystem. Are there any particular commands or log file entries I can query to gauge whether they are having any corruption or other ...
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0answers
76 views

Print list of bad blocks in NAND flash from user space

Is there any user space tool that can retrieve and dump the list of bad blocks in a NAND flash device? I've checked the mtdinfo command line utility, and also searched /proc and /sys, but couldn't ...
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0answers
72 views

Flash memory and set to read only , Is it virus?

Becuase some of limitation of MS.Windows, my friends and my family gime their flash memory to solve their problem. Such as format, partitioning in Linux with the cfidsk ,parted, sfidsk(dump and ...
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0answers
519 views

format / rewrite old ide flash module

I have an old PC where the disk is a 32mb IDE flash module. BIOS boots the Flash, works good. But if I am in a Linux distro (tinycore/arch/puppy) the flash module is not recognized nor mountable. ...
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0answers
39 views

Mount a USB unit via ssh to transfer music using Amarok

I want to use Amarok to transfer my audio files to my cellphone (Android). Amarok allows transfer files using only USB drives. Then, I though in mount my cellphone using ssh or sshfs. At the moment, I ...
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0answers
57 views

Any tool or command can detect flash disk or SSD memory type?

Here I mean "SLC" or "MLC", basically, how many bits per cell for the NAND memory. Is there anything we can get? Thanks.
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0answers
77 views

impossible to make fsck

I'm trying to make a fsck to a pendrive and it says me: e2fsck 1.42.8 (20-Jun-2013) Pass 1: Checking inodes, blocks, and sizes Error reading block 40402759450689 (Invalid argument). Ignore error? ...