On Tue, 13 Nov 2007, Mark Lord wrote:
> Andrew Morton wrote:
> > On Mon, 12 Nov 2007 22:42:32 -0800 "Natalie Protasevich"
> > <[email protected]> wrote:
> ..
> > > with CONFIG_NO_HZ and/or CONFIG_HPET_TIMER set kernel 2.6.23 doesn't
> > > boot (ARM, Timer)
> > > http://bugzilla.kernel.org/show_bug.cgi?id=9229
> > > Kernel: 2.6.23
> >
> > No response from developers
> ..
The bug report is bogus. ARM has no CONFIG_HPET_TIMER.
> Note: that same bug exists/existed on i386 back when NO_HZ was
> introduced (2.6.21?). I still see it from time to time on my Quad core
> system (very rare), but not any more on my Duo notebook where it used
> to happen about 1 in n boots (n < 10).
>
> AFAICT no fix was ever released for it.
Hmm, at which point does the boot stop ?
> > > Suspend to RAM resume hangs on a tickless (NO_HZ) kernel
> > > http://bugzilla.kernel.org/show_bug.cgi?id=9275
> > > Kernel: 2.6.23
> > > This is HP notebook nc6320 T2400 945GM
> > No response from developers
> ..
>
> I *still* get very slow resume-from-RAM quite often here
> (new in 2.6.22 kernel, wasn't there in early 2.6.23-rc*).
Hmm. Which one 22 or 23 ?
> Something eventually times out after a minute or so
> and it comes back. Cannot make it happen reliably,
> unless I'm in a hurry to get something done. :)
> I suspect USB here, probably the same loopy bug that
> we added a "loop limit failsafe" for back in 2.6.21(?).
Do you have a pointer to that please ?
Thanks,
tglx
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