On Tue, Aug 9, 2011 at 2:59 PM, Lennert Buytenhek <[email protected]> wrote: > On Tue, Aug 09, 2011 at 02:49:42PM +0100, Niels de Vos wrote: > >> > >> = There is a new schedulear/timer patch from Lennert -- mystery >> > >> minutes-long hangs should be gone for real now. >> > > >> > > Do you have any references like a git-commit or discussion on a >> > > mailinglist for this? I'd like to match this with some other ARM >> > > hardware (non/OLPC) issues I have seen. >> > >> > There's a description of our problem at: >> > >> > http://dev.laptop.org/git/olpc-kernel/commit/?h=arm-3.0&id=b8923ed0809f29e53bd246153ca3a9e9367b4c56 >> >> Nice description! As it's mach-mmp dependent, it's unlikely that I can >> apply this for mx51 based systems. The information in the git-commit is >> clear and I'll try to investigate if 'sporadic hangs' could be caused >> due to missing events. (Which sounds sane, as it might happen when >> the system is under high load.) > > Looking at arch/arm/plat-mxc/time.c and its *_set_next_event() functions, > it appears to correctly handle the case where the timeout has already > expired, so it's not likely that mx51 is suffering from the same problem.
Wow, thats a swift reply! Thanks for checking :) Niels _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
