On Tue, 2 Jan 2007 19:34:59 +0000 Ken Moffat wrote:
> On Tue, Jan 02, 2007 at 01:42:32PM -0500, Len Brown wrote:
> >
> > You might remove and re-insert the DIMMS.
> > Sometimes there are poor contacts if the DIMMS are not fully seated and clicked in.
> >
> > The real mystery is the 32 vs 64-bit thing.
> > Are the devices configured the same way -- ie are they both in IOAPIC mode
> > and /proc/interrupts looks the same for both modes?
> >
> > -Len
>
> Too late, I've started memtest-86+. If it seems ok after an
> overnight run, I'll take a look at /proc/interrupts. How can I tell
> it is in IOAPIC mode, please ? Google was not helpful for this, but
> if it's an override, the only things on my command lines are root=
> and video= settings.
(did anyone ever answer this?)
In IO-APIC mode, /proc/interrupts contains entries like these:
CPU0 CPU1
0: 121218123 0 IO-APIC-edge timer
1: 715259 0 IO-APIC-edge i8042
6: 5 0 IO-APIC-edge floppy
7: 0 0 IO-APIC-edge parport0
9: 0 0 IO-APIC-level acpi
12: 10011272 0 IO-APIC-edge i8042
14: 11561548 0 IO-APIC-edge ide0
66: 4525183 0 PCI-MSI libata
74: 1711 0 IO-APIC-level ehci_hcd:usb1, uhci_hcd:usb6
82: 4 0 IO-APIC-level ohci_hcd:usb2, ohci_hcd:usb3, ohci_hcd:usb4, ohci_hcd:usb5
98: 101326 0 PCI-MSI HDA Intel
106: 17747181 0 PCI-MSI eth0
169: 0 0 IO-APIC-level uhci_hcd:usb9
177: 3 0 IO-APIC-level ohci1394
185: 15 0 IO-APIC-level uhci_hcd:usb8, aic79xx
193: 427962 0 IO-APIC-level uhci_hcd:usb7, aic79xx
If not in IO-APIC mode, lots of those will say "XT-PIC" instead
of IO-APIC.
> Certainly, it seems likely that the configs could be fairly
> different in their detail.
---
~Randy
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