Hi Alan,
Thanks for your fast reply!
Alan Stern wrote:
On Thu, 6 Jan 2005, Vladimir Trukhin wrote:I switched to kernel 2.4.26 on my PC (Slackware 10) and tryed to use usb-storage module.
Due to mkdosfs does not work with USB directly (it failed with " unable to get drive geometry for '/dev/uba1' "),
It probably would have worked better if you had used usb-storage instead of ub.
But fdisk told me " Unable to read /dev/sda ".
At the same time /proc/bus/usb/devices shows that device is connected: ------------------------------------ T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=16 #Cfgs= 1 P: Vendor=0525 ProdID=a4a5 Rev= 3.03 S: Manufacturer=Linux 2.6.10-pxa255-ez-x5 with pxa2xx_u S: Product=File-backed Storage Gadget S: SerialNumber=3238204A756C C:* #Ifs= 1 Cfg#= 1 Atr=c0 MxPwr= 2mA I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage E: Ad=81(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms ------------------------------------
That's rather strange cause it works fine with an ordinary Flash Memory Card in the same USB socket.
Also, if I use kernel 2.6.9 on my PC and ub driver instead of usb-storage the board works properly.
........
udc: USB reset
udc: USB reset
g_file_storage gadget: full speed config #1
udc: USB reset
udc: USB reset
g_file_storage gadget: full speed config #1
... and so on.
That looks normal.
<>Everything in your log looked normal. And it should only have taken a few
seconds. What happened during the remainder of the 3-5 minutes of
waiting?
Well, I found one thing which is probably important.
If I specify 'removable' parameter for g_file_storage module my WinXP eventually connects to the board after about 2...3 minutes of resetting.
But if not, it never connects. And Windows stops to reset approximately in 5 minutes.
In both cases it shows that USB Mass Storage Device is working properly in the Device Manager.
Also, in the first case (after successful connection) I can see that Storage Volume->Generic Volume appears in the Device Manager in 2 or 3 minutes since plugin (and about 20 resets with 5...20 sec timeouts between them).
I tryed to connect the board to the another PCs (WinXP and Win2k). The result was the same.
But for Linux host it doesn't matter whether or not I use 'removable' option. The Storage Gadget works properly in both cases.
Best regards, Vlad Trukhin
PS: I'm sory for double posting my first message. Actually, this was the first time I'd tryed to communicate through a such message list.
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