On Tue, Jun 29, 2010 at 02:54:17PM -0500, Timur Tabi wrote: > I'm adding support for a new e500-based board (the P1022DS), and in > the process I've discovered that enabling CONFIG_NO_HZ (Tickless > System / Dynamic Ticks) causes significant responsiveness problems on > the serial console. When I type on the console, I see delays of up to > a half-second for almost every character. It acts as if there's a > background process eating all the CPU. > > I don't have time to debug this thoroughly at the moment. The problem > occurs in the latest kernel, but it appears not to occur in 2.6.32. > > Has anyone else seen anything like this?
Yes, with a P2020RDB and kernel 2.6.35-rc1. Serial console is really slow on an otherwise idle machine. I assumed it was a hardware problem. Richard _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
