http://bugzilla.kernel.org/show_bug.cgi?id=7699
[EMAIL PROTECTED] changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |acpi-
| |[EMAIL PROTECTED]
| |et
Owner|acpi_config- |[EMAIL PROTECTED]
|[EMAIL PROTECTED] |
|bugs.osdl.org |
Status|NEW |ASSIGNED
Summary|irq9: nobody cared (try |irq9: nobody cared - VIA
|booting with the "irqpoll" |KT400 - PIC-mode
|option) |
------- Additional Comments From [EMAIL PROTECTED] 2006-12-17 18:46 -------
Please attach the full dmesg -s64000 (or serial console log
with "debug" enabled)and /proc/interrupts of the latest working kernel,
and the first failing kernel (failing kernel will need irqpoll to boot)
Confused about the comment regarding reverting patch in bug #7601 --
as that patch is already reverted in 2.6.19.1 -- it appeared only
in 2.6.19.
acpidump shows that this machine has an IOAPIC:
ACPI: APIC (v001 ASUS A7V600-X 0x42302e31 MSFT 0x31313031) @ 0x(nil)
ACPI: IOAPIC (id[0x02] address[0xfec00000] global_irq_base[0x0])
ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl edge)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
ACPI: LAPIC (acpi_id[0x00] lapic_id[0x00] enabled)
Length 90 OK
Checksum OK
however, the 2.6.16 /proc/interrupts shows PIC mode
is being used, and the config for 2.6.19.1
suggests that it isn't being used there either.
While this appears to be a PIC-mode regression, and worthy of
being debugged, it would also be interesting to try IOAPIC
mode on the old and new kernel as well -- simple to enble
this with CONFIG_SMP. As IOAPIC mode is preferable if it works.
The MADT shows that the APIC-mode entries are all hard-coded
so from an ACPI point of view, it should be very simple
and reliable -- and the only obstacle might be the dreaded VIA quirk.
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