Re: PROBLEM: Dell Inspiron 1501 fails to boot in 2.6.21+

[Daniel Walker]

On Sat, 2007-07-21 at 13:59 +0200, Ingo Molnar wrote:
> * Mark Tiefenbruck <mark@xxxxxxxxxxx> wrote:
> 
> >  IO window: disabled.
> >  MEM window: c0200000-c02fffff
> >  PREFETCH window: disabled.
> > PCI: Bridge: 0000:00:14.4
> >  IO window: disabled.
> >  MEM window: c0300000-c03fffff
> >  PREFETCH window: disabled.
> > PCI: Setting latency timer of device 0000:00:05.0 to 64
> > PCI: Setting latency timer of device 0000:00:06.0 to 64
> > NET: Registered protocol family 2
> > 
> > The next few lines are usually as follows, but recent kernels never 
> > get to them:
> 
> thanks for the detailed report and bisection test! The above hang 
> strongly implicates some sort of high-res timers, dynticks or 
> clocksource problem. Most likely timer interrupts do not come as 
> expected, and the above place is one of the first spots where the kernel 
> waits for a (short) timeout - so you see it hang indefinitely.
> 
> Besides the options Thomas suggested, you could also try 
> clocksource=pm_timer?

Do you mean "clocksource=acpi_pm" ?

Daniel

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