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> How To Load G_file_storage.ko? Error Occus
andyzn
post Jul 3 2006, 06:21 AM
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I have a board with USB slave 1.1, and Linux installed on it.

I have connected it with a PC through a USB cable.

And I want to make the PC "know" the device?

on the board(the kernel is 2.6.11):

1. start Linux

2. dd bs=1M count=8 if=/dev/zero /root/data (FAT32)

3. modprobe g_file_storage file=/root/data

HERE IS THE ERROR MESSAGE:
*****************************************
Using /lib/modules/2.6.11-XSBase27x/kernel/drivers/usb/gadget/g_file_storage.ko
insmod: cannot insert `/lib/modules/2.6.11-XSBase27x/kernel/drivers/usb/gadget/g
_file_storage.ko': Device or resource busy (-1): Device or resource busy
modprobe: failed to load module g_file_storage
*****************************************

which device is busy?

Or
what should I do before I "modprobe g_file_storage..."?
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lardman
post Jul 11 2006, 06:05 AM
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I'm not sure. You could always format it using the board before you load the mass-storage module.

I had some issues with WinXP recognising my Z as a mass-storage device, but not actually working a long while back when I was first fiddling with the storage_fd.o module. These issues seemed to just go away (or there may have been a patch - can't remember - try a search of this forum).


Si
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andyzn
post Jul 11 2006, 09:58 PM
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That is interesting.
I changed the partition type to Win95 FAT32 (LBA) on the board:
and everything is OK now.

Command (m for help): p

Disk /root/back_file: 0 MB, 0 bytes
255 heads, 63 sectors/track, 0 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

Device Boot Start End Blocks Id System
/root/back_file1 1 4 32098+ c Win95 FAT32 (LBA)


QUOTE(lardman @ Jul 11 2006, 06:05 AM)
I'm not sure. You could always format it using the board before you load the mass-storage module.

I had some issues with WinXP recognising my Z as a mass-storage device, but not actually working a long while back when I was first fiddling with the storage_fd.o module. These issues seemed to just go away (or there may have been a patch - can't remember - try a search of this forum).


Si
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Posts in this topic
andyzn   How To Load G_file_storage.ko? Error Occus   Jul 3 2006, 06:21 AM
lardman   How do you get a terminal prompt, not over a usb e...   Jul 3 2006, 06:27 AM
andyzn   Today I found g_ether is builded in. SO I recompil...   Jul 5 2006, 12:14 AM
andyzn   Here is sth after dmesg: [root@emdoor bin]# dmesg...   Jul 5 2006, 12:35 AM
lardman   I don't know, but a quick google turned up som...   Jul 5 2006, 03:03 AM
andyzn   Thanks for that. But the patch dosen't work. ...   Jul 6 2006, 10:14 PM
lardman   What does filp indicate the error is? Your file m...   Jul 10 2006, 03:25 AM
andyzn   Oh, sorry. Actually it is [root@Bill ~]fdisk -S...   Jul 10 2006, 04:18 AM
andyzn   I have checked the error, error = PTR_ERR(filp) ...   Jul 10 2006, 08:06 PM
andyzn   after dmesg,below is the information while rebooti...   Jul 10 2006, 08:19 PM
andyzn   rootfs is not mounted while open /root/back_file,a...   Jul 10 2006, 10:44 PM
lardman   I didn't notice it before, but this can't ...   Jul 10 2006, 02:57 PM
andyzn   In gadget/gadget_chips.h #ifdef CONFIG_USB_GADGET...   Jul 10 2006, 07:29 PM
lardman   I was going to suggest that. Have you tried using...   Jul 11 2006, 01:05 AM
andyzn   I am happy to say, my windows host could recognize...   Jul 11 2006, 01:13 AM
lardman   Glad you've got it sorted Si   Jul 11 2006, 01:28 AM
andyzn   The host(windows XP) always says "it should b...   Jul 11 2006, 05:54 AM
lardman   I'm not sure. You could always format it using...   Jul 11 2006, 06:05 AM
andyzn   That is interesting. I changed the partition type ...   Jul 11 2006, 09:58 PM
andyzn   Goal: To simulate the flash of the board to be a U...   Jul 11 2006, 10:39 PM


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