[mythtv-users] Occasional hard freezes

[Jason Werpy]

On 10/29/05, Michael T. Dean <mtdean at thirdcontact.com> wrote:
>
> Jason Werpy wrote:
>
> >On 10/29/05, Ryan Steffes <rbsteffes at gmail.com> wrote:
> >
> >
> >>On 10/28/05, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> >>
> >>
> >>>vi /usr/src/linux-`uname -r`/Documentation/kernel- parameters.txt
> >>>
> >>>...
> >>>
> >>>I think you were trying for "acpi=noirq noapic nolapic". And, it
> >>>wouldn't hurt to throw in a "pci=noacpi" for good measure. Most of the
> >>>'net gets these parameters wrong, though, so I realize you saw someone
> >>>else recommend this...
> >>>
> >>>
> >>Changing to acpi=off did not fix the problem. I'm a little concerned
> with
> >>whether it's really off though, it seems to turn on local apic before
> >>reading the kernel options:
> >>
> >>Oct 29 08:56:54 mythtv kernel: Found and enabled local APIC!
> >>Oct 29 08:56:54 mythtv kernel: Initializing CPU#0
> >>Oct 29 08:56:54 mythtv kernel: Kernel command line: auto
> BOOT_IMAGE=MythTV
> >>ro root=341 acpi=off noapic nolapic resume=/dev/hdb3 splash=silent
> >>Oct 29 08:56:54 mythtv kernel: bootsplash: silent mode.
> >>
> >>Later, it does say:
> >>
> >>Oct 29 08:56:54 mythtv kernel: PCI: PCI BIOS revision 2.10 entry at
> >>0xfbe50, last bus=2
> >>Oct 29 08:56:54 mythtv kernel: PCI: Using configuration type 1
> >>Oct 29 08:56:54 mythtv kernel: mtrr: v2.0 (20020519)
> >>Oct 29 08:56:54 mythtv kernel: ACPI: Subsystem revision 20050211
> >>Oct 29 08:56:54 mythtv kernel: ACPI: Interpreter disabled.
> >>Oct 29 08:56:54 mythtv kernel: Linux Plug and Play Support v0.97 (c)
> Adam
> >>Belay
> >>Oct 29 08:56:54 mythtv kernel: pnp: PnP ACPI: disabled
> >>Oct 29 08:56:54 mythtv kernel: PnPBIOS: Disabled
> >>Oct 29 08:56:54 mythtv kernel: PCI: Probing PCI hardware
> >>Oct 29 08:56:54 mythtv kernel: PCI: Probing PCI hardware (bus 00)
> >>Oct 29 08:56:54 mythtv kernel: PCI: Using IRQ router default [10de/01e0]
> >>at 0000:00:00.0
> >>
> >>but it doesn't say anything about local apic again. How can I check that
> >>it's really disabled?
> >>
> >>
> >You might also need the nolapci kernel parameter to turn off local apci,
> its
> >separate from the main apci kernel parameters.
> >
> >
> Once again, I know you were just repeating something you've seen out
> there on the 'net, but as described in kernel-parameters.txt (as
> referenced above) there is no such parameter as "nolapci". As a matter
> of fact, there is no (relevant) such thing as APCI or apci. ACPI is
> Advanced Configuration and Power Management and APIC is Advanced
> Programmable Interrupt Controller.
>
> Note, there's also no "nolacpi" parameter, and he's already using
> "nolapic".
>
> Mike
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>


I think I got a typo in there somewhere. I meant nolacpi, or at least I
meant the interrupt controler one, and not the power management thing. Oops.
I hate these acronyms.
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