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gmane.linux.usb.devel |
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Dear Engineers,
When I use the g_file_strogae.ko module, I failed to write big file to
the disk.
Hardware platform:
CPU: ARM926T
SDRAM: 32M sdram
Kernel:2.6.19. patch
I plug a 512MBytes usb flashdisk(fat32 type) into the board usb host
interface, and connect a usb line between the board usb device interface
and a PC with WinXP OS.
In the board side, I use the following command:
#> insmod ./g_file_storage.ko file=/fat.fs removable=y
where /fat.fs is the external 512MB flash disk.
Then in the PC side, XP can recognize the board as a usb mass storage
device. And read big file(3Mkbytes) is OK.
But when I write a big file(above 30kbytes) into the board from XP side, the
speed is very slow and finally failed. (Write a 30KBytes file is OK). In
the board side, kernel repeatedly printed following message every
several seconds. "g_file_storage gadget: full speed config #1".
What's wrong with it? and i have face i/o device error when writing the big file.
please can you help me.
Thanks & Regards,
A.PERIYANAYAKI
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