On Thu, 2016-09-08 at 13:58 +0200, Wim Osterholt wrote: > L.S. > > up to vanilla kernel 4.7.3 I've seen no problems. > On two different dekstops running vanilla kernel-4.8 I can force a > crash by > inserting an USB-modem that requires module cdc_acm.ko . > (Strangely enough that doesn't happen on my laptop.) > > The moment that cdc_acm loads (manually or automatically - the > hardware needs > to be present) a kernel oops occurs. > The system remains responsive for a while, but a reboot is necessairy. > If you try a neat shutdown, the system will hang forever after > 'remounting fs > read-only'. You'll need a power-down. > > The oops tells things that I didn't all write down, but it says > null pointer dereference at 00000246 That is the important part. I am sorry, but without the oops nobody can help you. Please capture it dmesg > /root/oops.txt and report it. Regards Oliver -- 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
