From: mike <mikelee@avantwave.com>
To: linux-mtd@lists.infradead.org
Subject: Re: mtd permission denied
Date: Tue, 22 Mar 2005 10:49:48 +0800 [thread overview]
Message-ID: <423F87CC.10805@avantwave.com> (raw)
In-Reply-To: <1ffb4b0705032109224f2c7805@mail.gmail.com>
Hi all
Also when i use jffs2 for data storage, i got these msg when
mounting mtd. i have tried to erase and unlock the mtd , i got similar msg.
Erase at 0x00080000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00070000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00060000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00050000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00040000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00030000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00020000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00010000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x000f0000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x000e0000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x000d0000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x000c0000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x000b0000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x000a0000 failed immediately: -EROFS. Is the sector locked?
Erase at 0x00090000 failed immediately: -EROFS. Is the sector locked?
~ # flash_eraseall /dev/mtd4
flash_eraseall: /dev/mtd4: Permission denied
~ # flash_unlock /dev/mtd4
Could not open mtd device: /dev/mtd4
~ # mtd_debug info /dev/mtd4
mtd.type = MTD_NORFLASH
mtd.flags = MTD_ERASEABLE
mtd.size = 1048576 (1M)
mtd.erasesize = 65536 (64K)
mtd.oobblock = 0
mtd.oobsize = 0
mtd.ecctype = MTD_ECC_NONE
regions = 0
Thanks for helping
Mike,Lee
Mike Lee wrote:
>Hi all
> i tried to flash_erase and other flash_* tools to my mtd device, the
>return value is permission denied, but i am already root login. I have
>selected MTD_CHAR and MTD_BLOCK in kernel. Do i miss somethings?
>
> My kernel version is 2.6.10, with cvs mtd patched.
>
>Mike,Lee
>
>______________________________________________________
>Linux MTD discussion mailing list
>http://lists.infradead.org/mailman/listinfo/linux-mtd/
>
>
>
next prev parent reply other threads:[~2005-03-22 2:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-21 17:22 mtd permission denied Mike Lee
2005-03-22 2:49 ` mike [this message]
2005-03-22 6:43 ` Aras Vaichas
2005-03-22 23:23 ` Aras Vaichas
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