On Thu, Jan 15, 2004, Marcel Holtmann <[EMAIL PROTECTED]> wrote: > Hi Philipp, > > > This just happend on our IBM X31 running 2.6.1-vanilla when I disabled > > the internal bluetooth: (copied by hand from screen): > > > > usb 4-1: USB disconnected, address 2 > > Unable to handle kernel paging request at virtual address 80000234 > > printing eip: > > c026d9cf > > *pde = 00000000 > > Oops: 0002 [#1] > > CPU: 0 > > EIP: 0060:[<c026d9cf>] Not tainted > > EFLAGS: 00010082 > > EIP is at uhci_remove_pending_qhs+0x77/0x94 > > eax: 80000234 ebx: 00000093 ecx: 80000200 edx: d2ccd4fc > > esi: efb3620c edi: efb36218 ebp: c03c3ef4 esp: c03c3ed8 > > ds: 007b es: 007b ss: 0068 > > Process swapper (pid: 0, threadinfo=c03c2000 task=c03651e0) > > Stack: 00000003 00001840 efb36000 80000200 efb36218 00000286 efb3620c c03c3f14 > > c026da8c efb36000 efb36000 efb36000 efb36000 00000001 00000001 c03c3f2c > > c0260209 efb36000 c03c3f78 efba0be0 04000001 c03c3f4c c010cad6 0000000b > > Call Trace: > > [<c026da8c>] uhci_irq+0xa0/0xf0 > > [<c0260209>] usb_hcd_irq+0x2d/0x54 > > [<c010cad6>] handle_IRQ_event+0x2a/0x54 > > [<c010cd9e>] do_IRQ+0x82/0xf4 > > common_interrupt / acpi_proceddor_idel / default_idle / _stect / > > cpu_idle / _stect / start_kernel > > > > Code: 89 79 34 89 50 04 89 02 53 9d 3b 75 fc 75 a9 89 f6 ff 75 f8 > > <0>Kernel panic: Fatal exception in interrupt > > in interrupt handler - not syncing > > this problem exists if you have compiled the HCI USB driver with the SCO > audio support. The workaround is to disable it. I haven't seen this bug > with an OHCI USB card, so I suspect a bug in the uhci_hcd driver, but I > am not sure.
That address is very odd. It looks like there is some corruption. It's strange that it only happens with SCO support. SCO is the only code in hci_usb that uses isochronous transfers, right? JE ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel