On Thu, Aug 01, 2002, Bryan Kate <[EMAIL PROTECTED]> wrote: > This is problem in an unknown area, so I posted it to 3 groups, parden > any duplicate messages... > > I am having a baffling problem with some of my devices. I have 4 > ActiveWire cards, and I have a program to download the software to them > one by one. However, I am getting a strange error. I will try to > explain it the best I can. > > If I have 1 or 2 cards plugged in, it will download the firmware to both > sequentially, and with no errors. > > If I download the firmware to 1 at a time, by plugging one in, > downloading, and then repeating the process for the rest, I can get up > to two cards no problem. > > When I plug ion a third card, it cannot download the firmware, as it > gets connection timeouts or errors setting the configuration or claiming > interfaces (seemingly randomly, but mostly timeouts). As soon as I > unplug card 2, the "third" card downloads fine. > > It is as if it can only handle 2 cards at a time, and when it has 3, it > just fails. > > Now this is strange, if I have 3 cards plugged in to start, it will not > download the first two and bail on the third, it bails on all three, and > when I unplug one, it can download to the remaining 2 just fine.... > > I know this sounds confusing, but the bottom line is that I am > completely baffled by this. Any ideas? > > The download code I am using is at http://www.shizdiggity.com/awusb/ in > the tar file, but I don't think it is on my end, unless I am using the > usb_open, set_configuration, claim_interface, set_altinterface, and > close wrong... It is just weird that it wont go past 2, and when I have > only 2 it is fine no matter how I plug in the devices.
Sounds like a hardware level problem. What kind of hub are you using? Are these devices bus powered or hub powered? Are they all plugged into the same hub? JE ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-users
