On Tue, 2003-07-08 at 06:48, Pierre Fortin wrote: > On 07 Jul 2003 12:49:05 -0700 James Sparenberg <[EMAIL PROTECTED]> > wrote: > > > On Mon, 2003-07-07 at 16:13, Pierre Fortin wrote: > > > Just a heads up... > > > > > > I have not fully analyzed this; but my HP 5550 (USB2.0) printers will > > > not work if connected to a USB/PCMCIA port. My camera, external HDs, > > > etc, all work off the SIIG USB PCMCIA 4-port hub; but the printers > > > will only work if connected to the laptop's builtin USB1.1 port. > > > > > > CUPS reports "Unable to open USB device "usb://hp/deskjet%205550": No > > > such device", even after redoing the printer setup via > > > http://localhost:631 > > > > > > Just moving the cable from the PCMCIA to the builtin port allows > > > queued jobs to print. > > > > Pierre, > > > > Is it possible.. (and this is a real stab in the dark.) that the > > printer doesn't recognize the hub as a real USB port? So it doesn't > > "activate". I've got an Epson that does that no matter what OS is on > > the other end. When I boot the box with the printer connected to the > > USB hub... I don't get all of the chugging and churning I normally get > > when it's directly connected. We got rid of the hub plugged it in > > directly and ... poof it works. Go figure. > > > > James > > Sounds plausible... though anyone without a USB port on a laptop would > need a PCMCIA hub -- only to have a printer that doesn't work with it... > Never looked into it; but the "line 2650" error is always there... even > with no devices or USB/PCMCIA plugged in; only the builtin USB port... > The timeouts have always been there with no apparent impact; though when > the printer is not connected or does not work, those lines are not > there... so I suspect they are from the printer ------ confirmed with only > printer connected to builtin. > > BTW, the builtin is UHCI: > > # lsusb -v | grep " i" > Invalid product/subclass spec at line 2650 > idVendor 0x0000 > idProduct 0x0000 > iManufacturer 0 > iProduct 2 USB UHCI Root Hub > iSerial 1 1860 > iConfiguration 0 > iInterface 0 > > and the PCMCIA appears as two OHCI hubs on a PCI hub... > > # lsusb -v | grep " i" > Invalid product/subclass spec at line 2650 > idVendor 0x0000 > idProduct 0x0000 > iManufacturer 3 Linux 2.4.21-0.13mdk ehci-hcd > iProduct 2 PCI device 1033:00e0 > iSerial 1 02:00.2 > iConfiguration 0 > iInterface 0 > idVendor 0x0000 > idProduct 0x0000 > iManufacturer 0 > iProduct 2 USB OHCI Root Hub > iSerial 1 e08b1000 > iConfiguration 0 > iInterface 0 > idVendor 0x0000 > idProduct 0x0000 > iManufacturer 0 > iProduct 2 USB OHCI Root Hub > iSerial 1 e086c000 > iConfiguration 0 > iInterface 0 > ### builtin... > idVendor 0x0000 > idProduct 0x0000 > iManufacturer 0 > iProduct 2 USB UHCI Root Hub > iSerial 1 1860 > iConfiguration 0 > iInterface 0 > > Here is the full dump... > > [Actually, the original msg with full dump fails to end with a FIN, so > I've truncated it to give the gist of the problem for now...]
I wonder if the problem comes when both pcmcia and hotplug are trying to "manage" the same device? However I still feel that since other devices work and only the printer doesn't it's a problem with the printer not acknowledging the device rather than MDK not acknowledging the device. James
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