On Monday 04 February 2008, Mark Lord wrote: >Gene Heskett wrote: >> On Sunday 03 February 2008, Ingo Molnar wrote: >>> * Gene Heskett <gene.heskett@xxxxxxxxx> wrote: >>>> I believe its the same, but lemme paste it for sure, yes: >>>> [ 26.339926] ENABLING IO-APIC IRQs >>>> [ 26.340119] ..TIMER: vector=0x31 apic1=0 pin1=0 apic2=-1 pin2=-1 >>>> [ 26.350129] ..MP-BIOS bug: 8254 timer not connected to IO-APIC >>>> [ 26.350182] ...trying to set up timer (IRQ0) through the 8259A ... >>>> failed. [ 26.350185] ...trying to set up timer as Virtual Wire IRQ... >>>> failed. [ 26.360186] ...trying to set up timer as ExtINT IRQ... works. >>>> >>>> The third line is the only line that makes it to the screen during the >>>> boot trace. >>>> >>>> Now, what does this tell us? >>> >>> the question would be: >>> >>> - if you remove the acpi_use_timer_override boot flag >>> - and if you boot a kernel with this hack applied >>> >>> => do those weird PATA failures come back? >>> >>> If the failues do _not_ come back then the problem is somehow >>> affected/worked-around by the IO-APIC code that generates the above 4 >>> lines. If the failures are still the same then the above 4 lines are >>> really just an uninteresting side-effect of the acpi_use_timer_override >>> flag - and the real side-effects (that fixes PATA on your box) are to be >>> found elsewhere. >>> >>> Sadly, the latter variant is the expected answer. >>> >>> Ingo >> >> And at this point, I can't tell. This reboot was from a cold start, >> without the argument, and cold by long enough to make the rounds about the >> house and pick up a beer, but not take my evening pillbox. A minute cold, >> maybe 2 max. The log is clean since except for a kudzu nag of some sort: > >.. > >Just to muddy your observations: it is quite possible that a cold > (power-off) reboot may be required to properly observe what happens here. > Precisely why I've now done that twice, without using the extra argument. No recurrence dammit. >Cheers -- Cheers, Gene "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) He who makes a beast of himself gets rid of the pain of being a man. -- Dr. Johnson - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
