On Tue, 2 Nov 2010, Kevin Watts wrote: > USB/Serial developers- > We were running some computer stress tests on our PR2 robot when > we noticed an oops from the USB/Serial driver. The stress tests > involve stressing the CPU, memory and networking (with a ping flood). > We're using Ubuntu Jaunty (9.04) and kernel version: > > Linux version 2.6.33-29-realtime (root@lsd) (gcc version 4.4.3 (Ubuntu > 4.4.3-4ubuntu5) ) #1 SMP PREEMPT RT Thu Oct 14 13:21:28 PDT 2010 > > The USB driver caused one of our processes, which was using the USB > interface, to crash because the serial port died. Stack trace is > below. Output from "lspci" and "lsusb -v" attached. Has anyone seen > this problem before? Thanks. Several other people have reported this problem. What you saw was not an "oops"; it was only a warning. In later kernels this warning has been removed, because the condition it warns about is not an error. Alan Stern -- 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
