Re: 2.6.23-rc4-mm1 and -rc6-mm1: boot failure on HP nx6325, related to clockevents

From: Rafael J. Wysocki
Date: Tue Sep 25 2007 - 08:06:55 EST


Thomas,

On Tuesday, 25 September 2007 11:30, Thomas Gleixner wrote:
> Rafael,
>
> On Tue, 2007-09-25 at 10:07 +0200, Thomas Gleixner wrote:
> > On Tue, 2007-09-25 at 10:14 +0400, Mikhail Kshevetskiy wrote:
> > > Hello Thomas, Rafael
> > >
> > > > We know, that
> > > > - disabling local apic timers work
> > >
> > > As i can see from the log, you are booting on computer with dualcore AMD
> > > processor. Do you have C1E feature enabled?

That's possible, how to check?

> > > i386 kernel disable lapic on dualcore AMD with C1E support (see
> > > http://lkml.org/lkml/2007/3/29/199). x86_64 kernel do not have this
> > > patch still (it's required for tickless kernel only).
> >
> > Well it is required for non tickless mode as well.
> >
> > > As result, if
> > > you run x86_64 kernel with hrt patch on such computer, the system
> > > will stall during boot on lapic timer calibration.
> >
> > Thanks for the reminder. I have a look into this.
>
> Can you please boot mainline and provide the output of:
>
> # cat /proc/interrupts; sleep 10; cat /proc/interrupts

albercik:~ # cat /proc/interrupts; sleep 10; cat /proc/interrupts
CPU0 CPU1
0: 1159492 0 local-APIC-edge timer
1: 6892 1692 IO-APIC-edge i8042
8: 0 0 IO-APIC-edge rtc
12: 156 110 IO-APIC-edge i8042
14: 29613 11409 IO-APIC-edge ide0
16: 23365 21934 IO-APIC-fasteoi sata_sil, HDA Intel
18: 196 88386 IO-APIC-fasteoi bcm43xx
19: 744874 279433 IO-APIC-fasteoi ohci_hcd:usb1, ohci_hcd:usb2, ehci_hcd:usb3
20: 2 4 IO-APIC-fasteoi ohci1394, yenta, tifm_7xx1, sdhci:slot0
21: 1408 592 IO-APIC-fasteoi acpi
NMI: 0 0 Non-maskable interrupts
LOC: 0 1158220 Local interrupts
RES: 260520 295387 Rescheduling interrupts
CAL: 419 652 function call interrupts
TLB: 864 541 TLB shootdowns
TRM: 0 0 Thermal event interrupts
THR: 0 0 Threshold APIC interrupts
SPU: 0 0 Spurious interrupts
ERR: 13
CPU0 CPU1
0: 1161996 0 local-APIC-edge timer
1: 6893 1692 IO-APIC-edge i8042
8: 0 0 IO-APIC-edge rtc
12: 156 110 IO-APIC-edge i8042
14: 29703 11409 IO-APIC-edge ide0
16: 23393 21934 IO-APIC-fasteoi sata_sil, HDA Intel
18: 196 88490 IO-APIC-fasteoi bcm43xx
19: 747268 279433 IO-APIC-fasteoi ohci_hcd:usb1, ohci_hcd:usb2, ehci_hcd:usb3
20: 2 4 IO-APIC-fasteoi ohci1394, yenta, tifm_7xx1, sdhci:slot0
21: 1412 592 IO-APIC-fasteoi acpi
NMI: 0 0 Non-maskable interrupts
LOC: 0 1160723 Local interrupts
RES: 260567 295433 Rescheduling interrupts
CAL: 419 652 function call interrupts
TLB: 866 543 TLB shootdowns
TRM: 0 0 Thermal event interrupts
THR: 0 0 Threshold APIC interrupts
SPU: 0 0 Spurious interrupts
ERR: 13
albercik:~ #
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