On Thu, 9 Dec 2004, Jon Lech Johansen wrote: > Kernel: 2.6.9-1.1009_FC4 (Fedora Core) > > I get a kernel oops when my M-Audio Sonica disconnects after firmware > load. Once I reboot the device works. The firmware is loaded with madfu: > http://usb-midi-fw.sourceforge.net/ > > > usb 3-2: new full speed USB device using address 3 > usb 3-2: reset full speed USB device using address 3 > usb 3-2: device firmware changed > usb 3-2: USB disconnect, address 3 > drivers/usb/core/devio.c:308: spin_is_locked on uninitialized spinlock > 2c1e6c6c.Unable to handle kernel paging request at virtual address > 6b6b6b6b
This looks like the result of a race combined with a deficiency in the USB device locking code. The locking problem has been fixed in 2.6.10-rcX. Do you still see the kernel oops with 2.6.10-rc3? Alan Stern ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
