Messages in this thread | | | Date | Sat, 16 Oct 2004 08:55:39 -0500 | From | "K.R. Foley" <> | Subject | Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U3 |
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Rui Nuno Capela wrote: > K.R. Foley wrote: > >>Rui Nuno Capela: >> >>>I run both, on different machines. >>> >>>I'm actually running 2.6.9-rc4-mm1-U3 at this very moment, on my laptop >>>(P4 2.53Ghz/UP, Mdk 10.1c) and also on my desktop machine (P4 >>>2.80Ghz/SMP/HT, SuSE 9.1). >>> >>>However, on the desktop (SMP/HT) I could only made it boot/init >>>successfully with CONFIG_PREEMPT_REALTIME off. On my laptop (UP) is >>>running pretty well on full RT. >> >>I'm curious what you get when you try to boot the SMP system with >>REALTIME on? My SMP/HT system at the office works fine with this. >>Although there is one difference that jumps out at me. I have disabled >>ACPI. I don't have the config handy so I can't do a complete comparison, >>just going from memory. >> > > > Hmm. The way I see it, if I say acpi=off on kernel boot, I loose HT, and > end in a SMP enabled kernel running on only one CPU. To keep ACPI disabled > but rely on it to show up those hyperthreaded virtual cpus on boot, one > should say acpi=ht, I guess. > > Is that what you're asking?
Actually what I was asking was what messages, etc. you get before the system fails to boot. I think Ingo already pointed out why several people, maybe yourself included, are having problems with this patch.
As for acpi, I just disabled the power management stuff prior to building the kernel. Of course my ht still works.
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