* Gregory Haskins <[email protected]> wrote:
> For the most part, it seems you guys have resolved most of the
> issues that we ran into as well (e.g. early-flush-tlb, relocated
> die-notifier, etc, come to mind). I found one patch that was missing
> that allows debug configurations to build properly. Heres that patch:
>
> --- linux-2.6.21.orig/kernel/latency_trace.c
> +++ linux-2.6.21/kernel/latency_trace.c
> @@ -24,6 +24,7 @@
> #include <linux/utsrelease.h>
> #include <asm/uaccess.h>
> #include <asm/unistd.h>
> +#include <asm/asm-offsets.h>
i think this breaks PPC (which has no asm-offsets.h file). In any case i
saw this build breakage too and the fix is in -rt2.
> We did find a regression. I was mistaken earlier when I mentioned our
> T60p laptops couldn't boot. It turns out that issue was resolved
> somewhere along the way and our published patches based on 21.5-rt19
> do allow the laptop to boot event with acpi=on. With 22.1-rt1 the
> laptop crashes unless acpi=off. Now that we have your queue we will
> bisect this and post that fix as well.
ok. Make sure you check rt2 as well - and note that it's not fully
bisectable with PREEMPT_RT enabled (but should probably be fully
bisectable with PREEMPT_RT disabled). So check out first whether the
problem still persists with PREEMPT_RT disabled.
Ingo
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