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Cyrill Gorcunov 3f4c3955ea x86, ioapic: Don't call disconnect_bsp_APIC if no APIC present 
Vegard Nossum reported:

[  503.576724] ACPI: Preparing to enter system sleep state S5
[  503.710857] Disabling non-boot CPUs ...
[  503.716853] Power down.
[  503.717770] ------------[ cut here ]------------
[  503.717770] WARNING: at arch/x86/kernel/apic/apic.c:249 native_apic_write_du)
[  503.717770] Hardware name: OptiPlex GX100
[  503.717770] Modules linked in:
[  503.717770] Pid: 2136, comm: halt Not tainted 2.6.30 #443
[  503.717770] Call Trace:
[  503.717770]  [<c154d327>] ? printk+0x18/0x1a
[  503.717770]  [<c1017358>] ? native_apic_write_dummy+0x38/0x50
[  503.717770]  [<c10360fc>] warn_slowpath_common+0x6c/0xc0
[  503.717770]  [<c1017358>] ? native_apic_write_dummy+0x38/0x50
[  503.717770]  [<c1036165>] warn_slowpath_null+0x15/0x20
[  503.717770]  [<c1017358>] native_apic_write_dummy+0x38/0x50
[  503.717770]  [<c1017173>] disconnect_bsp_APIC+0x63/0x100
[  503.717770]  [<c1019e48>] disable_IO_APIC+0xb8/0xc0
[  503.717770]  [<c1214231>] ? acpi_power_off+0x0/0x29
[  503.717770]  [<c1015e55>] native_machine_shutdown+0x65/0x80
[  503.717770]  [<c1015c36>] native_machine_power_off+0x26/0x30
[  503.717770]  [<c1015c49>] machine_power_off+0x9/0x10
[  503.717770]  [<c1046596>] kernel_power_off+0x36/0x40
[  503.717770]  [<c104680d>] sys_reboot+0xfd/0x1f0
[  503.717770]  [<c109daa0>] ? perf_swcounter_event+0xb0/0x130
[  503.717770]  [<c109db7d>] ? perf_counter_task_sched_out+0x5d/0x120
[  503.717770]  [<c102dfc6>] ? finish_task_switch+0x56/0xd0
[  503.717770]  [<c154da1e>] ? schedule+0x49e/0xb40
[  503.717770]  [<c10444b0>] ? sys_kill+0x70/0x160
[  503.717770]  [<c119d9db>] ? selinux_file_ioctl+0x3b/0x50
[  503.717770]  [<c10dd443>] ? sys_ioctl+0x63/0x70
[  503.717770]  [<c1003024>] sysenter_do_call+0x12/0x22
[  503.717770] ---[ end trace 8157b5d0ed378f15 ]---

|
| That's including this commit:
|
| commit 103428e57b
|Author: Cyrill Gorcunov <gorcunov@openvz.org>
|Date:   Sun Jun 7 16:48:40 2009 +0400
|
|    x86, apic: Fix dummy apic read operation together with broken MP handling
|

If we have apic disabled we don't even switch to APIC mode and do not
calling for connect_bsp_APIC. Though on SMP compiled kernel the
native_machine_shutdown does try to write the apic register anyway.

Fix it with explicit check if we really should touch apic registers.

Reported-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <20090617181322.GG10822@lenovo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-06-17 20:24:39 +02:00
..
acpi PM/ACPI/x86: Fix sparse warning in arch/x86/kernel/acpi/sleep.c 2009-06-12 21:32:29 +02:00
apic x86, ioapic: Don't call disconnect_bsp_APIC if no APIC present 2009-06-17 20:24:39 +02:00
cpu x86: nmi: Add Intel processor 0x6f4 to NMI perfctr1 workaround 2009-06-17 18:20:39 +02:00
.gitignore
alternative.c x86: expand irq-off region in text_poke() 2009-03-10 16:24:23 +01:00
amd_iommu.c amd-iommu: flush domain tlb when attaching a new device 2009-06-15 15:42:00 +02:00
amd_iommu_init.c amd-iommu: resume cleanup 2009-06-16 10:19:16 +02:00
aperture_64.c
apm_32.c PM core: rename suspend and resume functions 2009-06-12 21:32:31 +02:00
asm-offsets.c
asm-offsets_32.c lguest: optimize by coding restore_flags and irq_enable in assembler. 2009-06-12 22:27:03 +09:30
asm-offsets_64.c x86, boot: make kernel_alignment adjustable; new bzImage fields 2009-05-11 17:44:39 -07:00
audit_64.c
bios_uv.c x86, UV: system table in bios accessed after unmap 2009-04-03 19:25:57 +02:00
bootflag.c
check.c x86: fix 64k corruption-check 2009-03-15 07:03:15 +01:00
cpuid.c
crash.c x86: disable IOMMUs on kernel crash 2009-06-15 15:20:40 +02:00
crash_dump_32.c
crash_dump_64.c
doublefault_32.c
ds.c x86, ds: support Core i7 2009-04-07 13:36:36 +02:00
ds_selftest.c x86, ds: fix buffer alignment in debug store selftest 2009-04-24 10:18:51 +02:00
ds_selftest.h x86, bts: cleanups 2009-03-13 11:57:22 +01:00
dumpstack.c Merge commit 'origin/master' into next 2009-03-30 14:04:53 +11:00
dumpstack.h x86: avoid multiple declaration of kstack_depth_to_print 2009-04-14 11:45:33 +02:00
dumpstack_32.c
dumpstack_64.c
e820.c x86/pci: remove rounding quirk from e820_setup_gap() 2009-05-11 09:45:14 +02:00
early-quirks.c x86 early quirks: eliminate unused function 2009-04-08 14:16:32 +02:00
early_printk.c x86: properly __init-annotate recent early_printk additions 2009-03-13 02:37:18 +01:00
efi.c x86: correct the conversion of EFI memory types 2009-06-16 17:47:32 -07:00
efi_32.c
efi_64.c Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2 2009-03-27 17:28:43 +01:00
efi_stub_32.S Merge branch 'x86/asm' into x86/mm 2009-02-25 08:27:46 +01:00
efi_stub_64.S
entry_32.S x86: entry_32.S fix compile warnings - fix work mask bit width 2009-03-14 09:42:51 +01:00
entry_64.S Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
ftrace.c x86/function-graph: fix constraint for recording old return value 2009-05-13 13:52:19 -04:00
geode_32.c
head.c
head32.c x86-32: use brk segment for allocating initial kernel pagetable 2009-03-14 17:23:47 -07:00
head64.c x86: add brk allocation for very, very early allocations 2009-03-14 15:37:14 -07:00
head_32.S x86, vmlinux.lds: unify .text output sections 2009-04-29 10:20:31 +02:00
head_64.S
hpet.c x86: hpet: Mark per cpu interrupts IRQF_TIMER to prevent resume failure 2009-06-14 18:24:29 +02:00
i386_ksyms_32.c
i387.c x86, math-emu: fix init_fpu for task != current 2009-03-04 20:33:16 +01:00
i8237.c
i8253.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
i8259.c
init_task.c
io_delay.c x86: io_delay.c cleanup 2009-03-21 16:57:04 +05:30
ioport.c x86-32: use non-lazy io bitmap context switching 2009-03-02 12:07:48 +01:00
irq.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
irq_32.c
irq_64.c
irqinit.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
k8.c
kdebugfs.c x86: kdebugfs.c cleanup 2009-03-21 16:55:45 +05:30
kgdb.c Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 15:49:10 -07:00
kprobes.c Merge branch 'tracing/core-v2' into tracing-for-linus 2009-04-02 00:49:02 +02:00
kvm.c Merge branch 'kvm-updates/2.6.31' of git://git.kernel.org/pub/scm/virt/kvm/kvm 2009-06-11 10:03:30 -07:00
kvmclock.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
ldt.c
machine_kexec_32.c x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP 2009-05-07 22:01:05 -07:00
machine_kexec_64.c x86, kexec: fix crashdump panic with CONFIG_KEXEC_JUMP 2009-05-07 22:01:05 -07:00
Makefile x86 module: merge the rest functions with macros 2009-06-12 21:47:01 +09:30
mca_32.c
mfgpt_32.c cpumask: remove references to struct irqaction's mask field. 2009-03-30 22:05:14 +10:30
microcode_amd.c x86, microcode: Simplify vfree() use 2009-06-07 16:35:11 +02:00
microcode_core.c x86: microcode: use smp_call_function_single instead of set_cpus_allowed, cleanup of synchronization logic 2009-05-12 10:36:44 +02:00
microcode_intel.c x86: microcode: use smp_call_function_single instead of set_cpus_allowed, cleanup of synchronization logic 2009-05-12 10:36:44 +02:00
mmconf-fam10h_64.c x86: move various CPU initialization objects into .cpuinit.rodata 2009-03-12 13:13:07 +01:00
module.c module: cleanup FIXME comments about trimming exception table entries. 2009-06-12 21:47:05 +09:30
mpparse.c x86, irq: don't call mp_config_acpi_gsi() if update_mptable is not enabled 2009-05-18 09:33:29 +02:00
msr.c
olpc.c
paravirt-spinlocks.c
paravirt.c Merge branch 'x86-xen-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:16:27 -07:00
paravirt_patch_32.c
paravirt_patch_64.c
pci-calgary_64.c x86: calgary: remove IOMMU_DEBUG 2009-04-14 13:03:36 +02:00
pci-dma.c amd-iommu: disable IOMMU hardware on shutdown 2009-06-15 15:20:40 +02:00
pci-gart_64.c x86: enable GART-IOMMU only after setting up protection methods 2009-06-06 09:42:09 +02:00
pci-nommu.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
pci-swiotlb.c Merge commit 'v2.6.30-rc5' into core/iommu 2009-05-11 14:44:31 +02:00
pcspeaker.c
pmtimer_64.c
probe_roms_32.c
process.c Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 19:53:40 -07:00
process_32.c Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 19:53:40 -07:00
process_64.c Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 19:53:40 -07:00
ptrace.c x86, bts, mm: clean up buffer allocation 2009-04-24 10:18:52 +02:00
pvclock.c
quirks.c Merge branch 'linus' into x86/cpu 2009-06-07 12:22:15 +02:00
reboot.c x86: Add quirk for reboot stalls on a Dell Optiplex 360 2009-06-07 15:51:20 +02:00
reboot_fixups_32.c
relocate_kernel_32.S x86, kexec: fix kexec x86 coding style 2009-03-10 18:13:25 -07:00
relocate_kernel_64.S x86, kexec: x86_64: add kexec jump support for x86_64 2009-03-10 18:13:25 -07:00
rtc.c x86: rtc.c cleanup 2009-03-21 16:56:37 +05:30
scx200_32.c
setup.c x86: handle initrd that extends into unusable memory 2009-06-11 15:19:13 -07:00
setup_percpu.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:13:20 -07:00
signal.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
smp.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
smpboot.c x86: make zap_low_mapping could be used early 2009-06-12 13:50:24 +03:00
stacktrace.c x86/stacktrace: return 0 instead of -1 for stack ops 2009-05-14 23:19:09 -04:00
step.c
sys_i386_32.c
sys_x86_64.c
syscall_64.c
syscall_table_32.S Merge branch 'core/signal' into perfcounters/core 2009-04-30 21:16:49 +02:00
tce_64.c
test_nx.c
test_rodata.c
time_32.c
time_64.c cpumask: remove references to struct irqaction's mask field. 2009-03-30 22:05:14 +10:30
tlb_uv.c Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:15:14 -07:00
tls.c
tls.h
topology.c x86: topology.c cleanup 2009-03-21 16:55:24 +05:30
trampoline.c
trampoline_32.S
trampoline_64.S
traps.c Merge branch 'linus' into x86/mce3 2009-06-11 23:31:52 +02:00
tsc.c Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:15:59 -07:00
tsc_sync.c x86: clean up arch/x86/kernel/tsc_sync.c a bit 2009-05-07 09:32:10 +02:00
uv_irq.c
uv_sysfs.c x86: prevent /sys/firmware/sgi_uv from being created on non-uv systems 2009-04-08 14:58:10 +02:00
uv_time.c uv_time: add parameter to uv_read_rtc() 2009-04-22 17:41:25 +02:00
verify_cpu_64.S
visws_quirks.c x86: convert obsolete irq_desc_t typedef to struct irq_desc 2009-03-11 09:49:01 +01:00
vm86_32.c Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-10 16:15:14 -07:00
vmi_32.c Merge commit 'origin/master' into for-linus/xen/master 2009-04-07 13:34:16 -07:00
vmiclock_32.c clocksource: pass clocksource to read() callback 2009-04-21 13:41:47 -07:00
vmlinux.lds.S x86: Provide _sdata in the vmlinux.lds.S file 2009-06-12 09:21:33 +02:00
vsmp_64.c Revert "x86: don't compile vsmp_64 for 32bit" 2009-03-25 21:34:28 +01:00
vsyscall_64.c x86: move rdtsc_barrier() into the TSC vread method 2009-05-28 14:15:54 +02:00
x8664_ksyms_64.c
xsave.c x86-64: fix FPU corruption with signals and preemption 2009-04-20 14:33:00 -07:00