Amit <amit.uttam@...> writes: > I am getting the following kernel oops (http://paste.debian.net/182812/) > sporadically. Kernel version is 3.2.14. > > Code basically does the following: > > ioctl(fd,HIDIOCSUSAGES, &ref_multi_u); > ioctl(fd,HIDIOCSREPORT, &rep_info_u); > > Here are some notes: > > 1. Happens in implement() function called by hid_output_report. > 2. Did an ftrace and found the HIDIOCSREPORT call takes 5.3ms to > complete. Is it suppose to take this long? > 3. Very hard to reproduce. Seems to me like a race condition? Some updates: After running usbmon, I realized that the paging request address is the address of the urb. I think the urb gets deleted while the implement function is going on. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html