http://bugzilla.kernel.org/show_bug.cgi?id=6563
Summary: 2.6.16.16 and Pentium D dies at boot in ACPI
Kernel Version: 2.6.16.16
Status: NEW
Severity: blocking
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did not occur: Unclear (seems to work under
knoppix)
Distribution: Slackware
Hardware Environment: Pendium D dual core, nvidia graphics, SATA drive
Software Environment: gcc-4.1.0
I posted this to the linux-acpi list and was advised to file a bug report.
Here's where I am with the problem up until now.
Thanks for the reply, I've answered in context below.
On Mon, 2006-05-15 at 18:43 -0400, Brown, Len wrote:
> >I'm trying to get a new dual-core Intel Pentium D box to work, but I'm
> >having trouble getting SMP working.
> >
> >Here's where I am:
> >
> >1. With the 2.6.12 kernel from the knoppix disk, things work. Two
> >processors are recognized at boot time.
> >
> >2. With 2.6.16.16 things hang at boot time when ACPI is enabled (even
> >when passing acip=ht at boot). I see the following:
> >
> >Enabling IO-APIC IRQ's
> >...TIMER: vector=0x31 apic1=0 pin1=2 apic2=-1 pin2=-1
>
> Is this the last thing printed before the hang?
> While this line is printed by horrible cruft that should
> have been deleted from the kernel years ago, it is
> actually nominal output.
Yes, this is the last thing I see (unless I fool around with the ACPI
boot parameters, where I don't even see this line).
> Any chance you can capture the console output with "debug"
> from the failure case?
You mean pass debug as a boot flag? Sure I can try that.
> >On another pentium 4 hyperthreaded box I see the same followed by:
> >.
> >.MP-BIOS bug: 8254 timer not connected to IO-APIC
> >...trying to set up timer (IRQ0) through the 8259A ... failed.
> >...trying to set up timer as Virtual Wire IRQ... works.
> >checking TSC synchronization across 2 CPUs: passed.
> >Brought up 2 CPUs
> >and the boot succeeds.
>
> This isn't a good model of "working" to follow.
> It is in MP mode, MP mode is broken, and a workaround is being invoked.
>
> >3. Disabling ACPI (yes, ACPI, not APIC) either by passing acpi=off or
> >in building the kernel, works; I boot, but only one processor is
> >recognized.
>
> if you boot with "apic=off" (yes APIC, not ACPI:-), does the system
> come up in ACPI+PIC mode?
I tried acpi=off and noapic and that worked. Either separately (or
apic=off) hangs.
>
> how about if you boot with "maxcpus=1", does that come up in ACPI
> mode normally?
>
Fails.
> Please file a bugzilla here where you can attach the dmesg
> and /proc/interrupts from these cases
>
> http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI
>
Will do this later today. Thanks.
David
> thanks,
> -Len
>
>
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