On Sat, 2002-09-21 at 15:33, Quel Qun wrote: > Well, the subject says it all, the machine freezes completely when I > turn my Lexmark Z51 USB printer on. > > No mouse, no keyboard (both PS2), no remote access, nothing, the machine > is completely dead. This is new to me, I have done this several times > and never had any problem. > > I cannot find anything in any log when I reboot. > In fact the problem is not limited to USB. Even I boot time, if I have anything attached to the USB port turned on, the system freezes.
The main difference on this machine I can think of is that it uses usb-ohci.o. # dmesg | grep usb usb.c: registered new driver usbdevfs usb.c: registered new driver hub usb-ohci.c: USB OHCI at membase 0xd0b83000, IRQ 10 usb-ohci.c: usb-00:02.0, PCI device 10de:01c2 (nVidia Corporation) usb.c: new USB bus registered, assigned bus number 1 usb-ohci.c: USB OHCI at membase 0xd0b85000, IRQ 10 usb-ohci.c: usb-00:03.0, PCI device 10de:01c2 (nVidia Corporation) usb.c: new USB bus registered, assigned bus number 2 usbdevfs: remount parameter error usb.c: registered new driver usblp Notice the "usbdevfs: remount parameter error", how can I find more information? # lsusb Bus 002 Device 001: ID 0000:0000 Bus 001 Device 001: ID 0000:0000 These null ids look strange, is it the standard for the root hub? Annoying... =o= kk1
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