* Frank Sorenson <[EMAIL PROTECTED]> [050407 15:21]: > Frank Sorenson wrote: > > Tony Lindgren wrote: > > > >>Thanks for trying it out. What kind of hardware do you have? Does it > >>have HPET? It looks like no suitable timer for dyn-tick is found... > >>Maybe the following patch helps? > >> > >>Tony > > > > > > Does 'different crash' qualify as "helping"? :) > > Update: > The patch does seem to fix the crash. This "different crash" I > mentioned appears to be related to the netconsole I was using (serial > console produces stairstepping text, netconsole seems to duplicate > lines--go figure). Without netconsole, dynamic tick appears to be > working, so I'm not sure whether this is a netconsole bug or a dynamic > tick bug.
This might be because time does not run correctly, see below. > While dynamic tick no longer panics, with dynamic tick, my system slows > to whatever is slower than a crawl. It now takes 6 minutes 50 seconds > to boot all the way up, compared to 1 minute 35 seconds with my 2.6.12 > kernel without the dynamic tick patch. I'm not sure where this slowdown > is occurring yet. I think I have an idea on what's going on; Your system does not wake to APIC interrupt, and the system timer updates time only on other interrupts. I'm experiencing the same on a loaner ThinkPad T30. I'll try to do another patch today. Meanwhile it now should work without lapic in cmdline. Tony - 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/