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Miss. Angela Koffi | 1 Oct 2011 11:39
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Negotiating for Investment Partners


In good faith,

I have a substantial capital honorably inherited from my late father amounting 
to the $12, 500.000.00 (USD) which I have decided to invest in any lucrative 
business in your country while I continue my education there.

Should this be of any interest to you, kindly respond because I will be left 
with no choice in seeking elsewhere if I did not hear from you this week.

Your urgent response needed.

Miss. Angela Koffi

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-= KuK =- | 1 Oct 2011 16:55
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Problem with JFFS2 mount

Hi,

I have problem with creating image file from mounted jffs2 file system.

I have 1:1 dump from 1GB NAND which is UBI format.
But it contains JFFS part also.
This part can be downloaded from my server.
www.pouchx.com/PRV/HDS/K9G8G08U0M_Samsung_1GB_NAND_Config.ini_block_JFFS.rar

Archive contains two files. One is original JFFS copy, second is same 
file but I deleted ECC blocks.

I mount jffs image (noECC) with this script:

$ sudo apt-get install mtd-tools
$ sudo modprobe -v mtd
$ sudo modprobe -v jffs2
$ sudo modprobe -v mtdram total_size=8192 erase_size=256
$ sudo modprobe -v mtdchar
$ sudo modprobe -v mtdblock
$ sudo dd if=/HDS/Config.img of=/dev/mtd0
$ sudo mount -t jffs2 /dev/mtdblock0 /HDS/JFFS

After that I can see all 3 files that are in jffs image:
can_unique_id
Config.ini
MAC

I make no changes to these files.
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Arnd Bergmann | 1 Oct 2011 17:02
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Re: [PATCH V4] mtd: Add DiskOnChip G3 support

On Saturday 01 October 2011 14:19:08 Robert Jarzmik wrote:
> Arnd Bergmann <arnd <at> arndb.de> writes:
> 
> > I generally recommend removing debug messages like this entirely from
> > production code. If you need them on production systems, that is an indication
> > that the code quality is not good enough.
> Perhaps.
> But when you create a driver without any specification, and you release it to
> the communauty, there will be unmet behaviours. So, when someone will ask me
> "why in my board XXX my docg3 can't read data ?" how can I improve the driver
> without any traces ?

In my experience, the kind of debugging data you need for analysing a problem
on someone else's system is not just a trace of the commands you send to
a device but more complicated to get, so you are dependent on a clueful
bug reporter anyway.

If you have successfully debugged a remote problem just by looking at a dump,
then you should certainly leave the code in there.

> > Or you could turn the entire tracing into trace events and do the parsing
> > in user space, which seems appropriate if you frequently need to trace
> > these.
> This looks much much better. I'll have a peek into that, as only (io_address,
> read/write, width, value) could be dumped, and userland application could
> translate it into sequence/nop/flashcontrol ... etc ...

Right, that was the idea.

	Arnd
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Saarinen Johanna | 2 Oct 2011 15:33
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Hitz, Christian | 3 Oct 2011 08:57

[PATCH] mtd: nand: restore useage of ONFI reported bus width

This patch changes the nand_flash_detect_onfi() function to pass
the NAND bus width it discovered via ONFI back to the caller.

Signed-off-by: Christian Hitz <christian.hitz <at> aizo.com>
---
 drivers/mtd/nand/nand_base.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index a46e9bb..6dae9a0 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
 <at>  <at>  -2829,7 +2829,7  <at>  <at>  static u16 onfi_crc16(u16 crc, u8 const *p, size_t len)
  * Check if the NAND chip is ONFI compliant, returns 1 if it is, 0 otherwise
  */
 static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
-					int busw)
+					int *busw)
 {
 	struct nand_onfi_params *p = &chip->onfi_params;
 	int i;
 <at>  <at>  -2884,9 +2884,9  <at>  <at>  static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip *chip,
 	mtd->erasesize = le32_to_cpu(p->pages_per_block) * mtd->writesize;
 	mtd->oobsize = le16_to_cpu(p->spare_bytes_per_page);
 	chip->chipsize = (uint64_t)le32_to_cpu(p->blocks_per_lun) * mtd->erasesize;
-	busw = 0;
+	*busw = 0;
 	if (le16_to_cpu(p->features) & 1)
-		busw = NAND_BUSWIDTH_16;
+		*busw = NAND_BUSWIDTH_16;
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angelo | 3 Oct 2011 10:52
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erase block < 8KiB

Hi all,

i read several mail about this limitation.

http://lists.infradead.org/pipermail/linux-mtd/2011-February/033851.html
http://lists.infradead.org/pipermail/linux-mtd/2011-June/036498.html

I have a 4 KiB erase-size, common of some SST nor flash'es like mine 
(SST 39VF3201B).

 From all the posts i read here in the list, there seems not to be any 
solution guaranteed.

The tricky change to mkfs.jffs2 don't work for me. It seems to work for 
small files, but i still get error messages copying a 600KB file in the 
partition.
If it's true that the minimal jffs2 block is 4KB + some bytes, of course 
the patch to mkfs.jffs2 can't work.

Some one suggested the "virtual erase block" solution. I would like to 
try to implement it, if i have the time.

In any case, for the common users, is there maybe another flash file 
system that can work with 4KiB erase size ?

Many thanks,
Regards

Angelo Dureghello
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Florian Fainelli | 3 Oct 2011 11:35
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Re: [PATCH] mtd: nand: restore useage of ONFI reported bus width

On Monday 03 October 2011 08:57:59 Hitz, Christian wrote:
> This patch changes the nand_flash_detect_onfi() function to pass
> the NAND bus width it discovered via ONFI back to the caller.
> 
> Signed-off-by: Christian Hitz <christian.hitz <at> aizo.com>

Acked-by: Florian Fainelli <ffainelli <at> freebox.fr>

> ---
>  drivers/mtd/nand/nand_base.c |    8 ++++----
>  1 files changed, 4 insertions(+), 4 deletions(-)

I though Brian had already submitted a fix for this.

> 
> diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
> index a46e9bb..6dae9a0 100644
> --- a/drivers/mtd/nand/nand_base.c
> +++ b/drivers/mtd/nand/nand_base.c
>  <at>  <at>  -2829,7 +2829,7  <at>  <at>  static u16 onfi_crc16(u16 crc, u8 const *p, size_t
> len) * Check if the NAND chip is ONFI compliant, returns 1 if it is, 0
> otherwise */
>  static int nand_flash_detect_onfi(struct mtd_info *mtd, struct nand_chip
> *chip, -					int busw)
> +					int *busw)
>  {
>  	struct nand_onfi_params *p = &chip->onfi_params;
>  	int i;
>  <at>  <at>  -2884,9 +2884,9  <at>  <at>  static int nand_flash_detect_onfi(struct mtd_info
> *mtd, struct nand_chip *chip, mtd->erasesize =
(Continue reading)

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Little, Linda | 3 Oct 2011 16:24
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Brian Norris | 3 Oct 2011 21:22
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Re: [PATCH] mtd: nand: restore useage of ONFI reported bus width

On Mon, Oct 3, 2011 at 2:35 AM, Florian Fainelli <ffainelli <at> freebox.fr> wrote:
> On Monday 03 October 2011 08:57:59 Hitz, Christian wrote:
>> This patch changes the nand_flash_detect_onfi() function to pass
>> the NAND bus width it discovered via ONFI back to the caller.
>>
>> Signed-off-by: Christian Hitz <christian.hitz <at> aizo.com>
>
> Acked-by: Florian Fainelli <ffainelli <at> freebox.fr>
>
>> ---
>>  drivers/mtd/nand/nand_base.c |    8 ++++----
>>  1 files changed, 4 insertions(+), 4 deletions(-)
>
> I though Brian had already submitted a fix for this.

No, it was Matthieu CASTET (I Acked). It's already queued for the next
release; you can find it in l2-mtd-2.6.git:
http://git.infradead.org/users/dedekind/l2-mtd-2.6.git

Thanks for the submission though!

Brian

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Mr Omar Hasan | 4 Oct 2011 00:28
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(unknown)


I am Omar Hasan a merchant from Dubai,i am sick and i need your assistance
to help me collect my deposit and dispatched it to charity organizations.

Regards,
Omar hasan

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Gmane