On Tue, Nov 29, 2011 at 11:54 AM, Thilo-Alexander Ginkel <thilo@xxxxxxxxxx> wrote: > Hi there, > > over the last months I have been experiencing kernel panics from time > to time on suspend / resume of my Lenovo T420s laptop. Reading the > backtrace it seems that my wireless modem is involved. As the machine > locks up completely, I have to manually copy the backtrace, so please > excuse any possible typos: > > ... > page_fault > ? __ticket_spin_lock > default_spin_lock_flags > _raw_spin_lock_irqsave > tty_port_hangup > acm_tty_hangup [cdc_acm] > __tty_hangup > ? __tty_hangup > do_tty_hangup > process_one_work > worker_thread This could have been fixed by 5dc2470c602da (USB: cdc-acm: Fix disconnect() vs close() race). > $ uname -a > Linux orion 3.1.0-030100-generic #201110241006 SMP Mon Oct 24 14:07:10 > UTC 2011 x86_64 x86_64 x86_64 GNU/Linux Try updating to 3.1.4 which contains the above commit. Thanks, Johan -- 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