On Tue, Nov 23, 2010 at 10:28:17AM +0100, MERIGHI Marcus wrote: > Jacob Meuser <[email protected]>, 2010-11-22 23:06:23:
> > > uvm_fault(0xd0a1a040, 0x0, 0, 1) -> e > > > kernel: page fault trap, code=0 > > > Stopped at usbd_do_request_flags_pipe+0x18: movl > > > 0x258(%eax),%ec > > > x > > > ddb> > > > ddb> trace > > > usbd_do_request_flags_pipe(d1f3ac00,2,dc16aef8,0,0) at > > > usbd_do_request_flags_pi > > > pe+0x18 > > > usbd_do_request_flags(d1f3ac00,dc16aef8,0,0,0) at > > > usbd_do_request_flags+0x3c > > > usbd_do_request(d1f3ac00,dc16aef8,0,d079ab1d,d0a0f200) at > > > usbd_do_request+0x37 > > > usbd_reset_port(d1f3ac00,1,d1f3a980,d03e1d87,40) at usbd_reset_port+0x42 > > > uhub_explore(d1f3ac00,d1f3accc,dc16af8c,d07978b6,d1f3ac80) at > > > uhub_explore+0x16 > > > f > > > usb_explore(d1f3ac80,20,d097e6b6,0,d6d7f768) at usb_explore+0x3f > > > usb_task_thread(d6d7f768) at usb_task_thread+0x76 > > > > does the device work? does the kernel see devices attached to the USB? > > yes. below dmesg with pcmcia card attached as well as usb stick via > pcmcia card. watch out for "pcmcia card inserted" and "usb stick > inserted". ok then it's not the initial uhub_explore() just hanging out forever ... apparently the device generates a hub interrupt when it's removed. I've just sent a patch to tech@ which I think will fix the crash. the subject is 'more usb detach love'. can you see if that makes a difference? -- [email protected] SDF Public Access UNIX System - http://sdf.lonestar.org
