On Tue, Feb 26, 2008 at 1:22 PM, Randy Dunlap <[EMAIL PROTECTED]> wrote: > On Mon, 25 Feb 2008 10:14:36 +0800 Dave Young wrote: > > > On Sun, Feb 24, 2008 at 8:46 AM, Dave Jones <[EMAIL PROTECTED]> wrote: > > > The boot_delay switch seems to be behaving strangely in the > > > current -git. Setting it to =10 makes the output 'bursty' > > > it becomes slow for some printk's whilst others scroll by > > > at regular speed. > > > Setting it any higher than that seems to make it pause for > > > a really long time before it outputs any text at all. > > > > On my side there's this issue for a long time > > http://lkml.org/lkml/2007/8/8/79 > > [http://marc.info/?l=linux-kernel&m=118655896515049&w=2] > > You asked questions and they were answered. Perhaps you didn't like > the answers.
No, I like it. Thanks. But I still want to know why mdelay can not be used. is it not available for all archs or something else? > > Here's a question for you. What kernel boot options did you use? > Specifically, for lpj= and boot_delay= ? I tried boot_delay=100 and boot_delay=200 without lpj set, The result was really slow. It was better with lpj copied from dmesg, but was still slower then mdelay. I think we can firstly use preset lpj, after delay calibrating just use the system lpj > > > > > > > x86 timer changes perhaps ? > > > --- > ~Randy > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
