Hi Dave, On Sunday 20 October 2013 20:56:18 Dave wrote: > Thought I would try 2013.09.0 with kernel 3.11 and have been trying to sort > a problem as follows: > > - at random times the cursor will stop flashing and even though px aux > shows that my application is running it is not. I can still navigate > directories and look at files, so something is still working. > > Nothing appears in the log files in /var/log (daemon.log, thttpd.log, > kern.log and user.log) > > Any hints on where to look next would be appreciated.
You are the second person who reports about a stuck Linux-3.11 kernel. It seems the timer implementation is broken since 3.11 (the timer implementation was changed on the way to 3.11). The S3C2440 CPU has now HRT (high resolution timer) support. I have no idea how to trigger the fault. At least on my system it didn't hit me yet. Just an idea: when it hits you the next time, please "cat" the content of "/proc/interrupts" a few times and see if the timer interrupt still increments or not. Regards, Juergen -- Pengutronix e.K. | Juergen Beisert | Linux Solutions for Science and Industry | http://www.pengutronix.de/ |
