3GB limit? *2* GB limit?!

[Mike Frysinger]

On Wed, Feb 4, 2009 at 02:40, Artem Bityutskiy wrote:
> On Tue, 2009-02-03 at 19:58 -0500, Miles Nordin wrote:
>> -----8<-----
>> # uname -a
>> Linux fishstick 2.6.25-gentoo-r8 #2 SMP PREEMPT Wed Feb 4 05:23:36 UTC 2009 i686 AMD Phenom(tm) 9850 Quad-Core Processor AuthenticAMD GNU/Linux
>> # ls -l /dev/mtd*
>> ls: cannot access /dev/mtd*: No such file or directory
>> # modprobe block2mtd block2mtd=/dev/sdj,128KiB
>> # modprobe mtdchar
>> # ls -l /dev/mtd*
>> crw-rw---- 1 root root 90, 0 Feb  4 06:29 /dev/mtd0
>> crw-rw---- 1 root root 90, 1 Feb  4 06:29 /dev/mtd0ro
>> fishstick devices # ubiformat /dev/mtd0
>> ubiformat: mtd0 (RAM-based), size 3246391296 bytes (3.0 GiB), 131072 eraseblocks of 131072 bytes (128.0 KiB), min. I/O size 1 bytes
>> libscan: scanning eraseblock 16384 -- 66 % complete  libmtd: error!: cannot seek mtd0 to offset 18446744071562067968
>>         error 22 (Invalid argument)
>> ubiformat: error!: failed to scan mtd0 (/dev/mtd0)
>> # fdisk /dev/sdj
>> Device contains neither a valid DOS partition table, nor Sun, SGI
>
> MTD user-space interface is 32-bit, and is simited by 2GiB. You have to
> upgrade it to use larger devices.

you mean the MTD user-space code he is currently using, not current
MTD user-space in general ?
-mike