So if you have that file now can you supply all the information requested before?
On Wed, 10 Sep 2003, dima wrote: > Matthew Dharm wrote: > > >A great many laptops were made with USB ports well before the USB > >specification was final (or really widely adopted). Some of those laptops > >are built correctly, but many of them are hopelessly broken -- their USB > >hardware simply cannot implement the protocol properly. > > > >If your laptop is 'ancient', it may well fall into this category. > > > Well, I'm keen to test the stuff & figure out what's going on. You're > one of the Linux USB driver developers, right? So, would you help me to > make a patch for such kind of hardware or something? uhci (as well as > usb-uhci) driver works ok with the virtual root hub (now I can provide > /proc/bus/usb/devices output) identified as Intel Corp. PIIX4 AB/EB/MB > USB, but I can't see my drive plugged -- the only device is the hub. > I played with USB I/O range a bit. Here come the results I've got last > night: > port1 status (0x7000 + 16): 0x0080 > port2 status (0x7000 + 18): 0x0080 > This value isn't documented in .h files & it doesn't change on > hub/global reset & other actions I've tried. What else can I do to > figure out the difference after plugging the drive in? > > > > >Matt > > > >On Tue, Sep 09, 2003 at 06:54:53PM +0400, dima wrote: > > > > > >>Stephen J. Gowdy wrote: > >> > >> > >> > >>>Something is serious wrong with your system then. Do you have something > >>>like "USB Legacy" turned o nin your BIOS? If so, turn that off. > >>> > >>> > >>> > >>I own an ancient MaxData Artist laptop. Its BIOS has very little options > >>to change & none of them are about the USB (I've read that Plug'n'Play > >>OS option may cause USB bugs under Linux on some laptops, so I checked > >>it was turned off). I asked the question if it is ok when I use USB 2.0 > >>drive with USB 1.1 hub on another maillist & I was answered it is. It > >>must be some buggy hub hardware (it reports it is PIIX4). That's why I'm > >>looking for USB driver developers here to help me make a fix. > >> > >> > >> > >>>On Tue, 9 Sep 2003, dima wrote: > >>> > >>> > >>> > >>> > >>> > >>>>Stephen J. Gowdy wrote: > >>>> > >>>> > >>>> > >>>> > >>>> > >>>>>What drivers do you have loaded? What is in /proc/bus/usb/devices? What > >>>>>does 'lspci -vvv' show for that device? > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>modprobe usb > >>>>modprobe [uhci,usb-uhci,usb-ohci] > >>>>modprobe usb-storage > >>>> > >>>>/proc/bus/usb/devices doesn't contain anything but 1-line comment. > >>>>I can provide the lspci output only tommorrow. > >>>> > >>>> > >>>> > >>>> > >>>> > >>>>>What happens in your log files and /proc/bus/usb/devices when you plug in > >>>>>your storage device? > >>>>> > >>>>>On Tue, 9 Sep 2003, dima wrote: > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>> > >>>>>>Stephen J. Gowdy wrote: > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>Sounds like you must have a hardware or pci problem. 'lspci -vvv' shows? > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>USB virtual root hub seems to be ok (PCI:00:07:2). It works ok with a > >>>>>>USB mouse also. > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>> > >>>>>>>On Tue, 9 Sep 2003, dima wrote: > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>>>Stephen J. Gowdy wrote: > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>>>And there are no error messages in your log files? > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>No. All the drivers are loaded correctly. The only thing which is > >>>>>>>>disturbing me is that USB driver doesn't report any unclaimed devices at > >>>>>>>>any stage (& only unclaimed devices are scanned as new drivers e.g. > >>>>>>>>usb-storage are loaded). > >>>>>>>>So, I need some kind of USB scanner (USB I/O range scan before & after > >>>>>>>>plugging showed up no difference as I mentioned earlier) to figure out > >>>>>>>>what is going on. > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>> > >>>>>>>>>On Tue, 9 Sep 2003, dima wrote: > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>> > >>>>>>>>>>Stephen J. Gowdy wrote: > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>>>Try starting at the FAQ and User Guide at http://www.linux-usb.org . > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>Well, all the explanations start with the fact I see my device in > >>>>>>>>>>/proc/bus/usb/* but I don't > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>> > >>>>>>>>>>>On Mon, 8 Sep 2003, dima wrote: > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>> > >>>>>>>>>>>>I got a noname usb drive recently marked as "Samsung 128MB". It works ok > >>>>>>>>>>>>plugged into my FreeBSD desktop as Lexar Jumpshot but it fails on my old > >>>>>>>>>>>>Linux laptop. The problem is that USB driver doesn't report any > >>>>>>>>>>>>unclaimed devices, so nothing happpens when I do `modprobe usb-storage`. > >>>>>>>>>>>>I think my question is addressed to developers mostly: how can I figure > >>>>>>>>>>>>out if the USB driver is able to work with the device (btw, I have a > >>>>>>>>>>>>PIIX4 USB hub)? I tried to scan the USB I/O range (0x7000-0x701f) but > >>>>>>>>>>>>nothing changed when i plugged the device. Now I'm working on figuring > >>>>>>>>>>>>out the call-stack in my case (any help from developers again?) & > >>>>>>>>>>>>inserting more log messages. > >>>>>>>>>>>> > >>>>>>>>>>>> > > -- /------------------------------------+-------------------------\ |Stephen J. Gowdy | SLAC, MailStop 34, | |http://www.slac.stanford.edu/~gowdy/ | 2575 Sand Hill Road, | |http://calendar.yahoo.com/gowdy | Menlo Park CA 94025, USA | |EMail: [EMAIL PROTECTED] | Tel: +1 650 926 3144 | \------------------------------------+-------------------------/ ------------------------------------------------------- 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
