Hi Stella, On Friday 25 April 2014 11:05:43 Stella GZ wrote: > On 25 April 2014 10:58, Juergen Borleis <[email protected]> wrote: > > Hi Stella, > > > > On Friday 25 April 2014 10:09:56 Stella G wrote: > > > I guess I am the third person to report this. > > > > > > I am seeing the same problem using ptxdist 2013.09.0, with kernel 3.11 > > > and the standard configuration (I was just testing and did not do > > > anything else yet). After a while the system time stops updating and I > > > can see that timer interrupts are not being generated anymore (I can > > > verify by checking /proc/interrupts) > > > > Does it happens on an S3C2440 SoC based system? > > Yes, this is on a standard mini2440.
Okay. > > > Did you manage to report this to the ALKML? Do you have any additional > > > information on what may be wrong? > > > > Due to the fact it is very hard to reproduce I have no new information on > > that issue. It still hasn't hit me. It seems it depends on the userland > > workload (for example how many programs allocate the timer...). > > > > What does your system do when it stops working? > > I can see that the system time stops updating (by checking date), and also > that no more timer interrupts are generated in /proc/interrupts. > > 'top' stopped working as well and when I try to run it, it just hangs. > > My minicom console still works but connecting over Telnet sometimes works > and sometimes doesn't. The board responds to ping. > > Is there any specific test you would like me to run? I can reproduce this > on every boot. You could test the current GIT content of this BSP [1]. It contains the 3.13 Linux kernel. Maybe it only happens to the 3.11 kernel, and later kernels are no longer affected. Regards, Juergen [1] http://git-public.pengutronix.de/git-public/OSELAS.BSP-Pengutronix-Mini2440.git -- Pengutronix e.K. | Juergen Borleis | Linux Solutions for Science and Industry | http://www.pengutronix.de/ |
