Re: kernels 2.6.29.rc3 2.1 3.1 4.1 5.1 6.1 7.1 and rc4 8.1 Is ACPI broken ???????

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> Hello all   new to this list
> 
> I have acpi troublw with the rc3 and rc4  2.6.29  kernels
> The acpi tables in bios are nor read wel
> and interupt handling is out of control

I don't clearly understand the problem statement,
even after reading through the rest of this message.

> With the 2.6.27 kernels i never had this following type of errors
> intalled the bios again to make sure the acpi tables are alright
> 
> 
> 
> from dmesg
> 
> last_map_addr: cfef0000 end: cfef0000
> init_memory_mapping: 0000000100000000-0000000230000000
>  0100000000 - 0230000000 page 2M
> kernel direct mapping tables up to 230000000 @ 14000-1e000
> last_map_addr: 230000000 end: 230000000
> RAMDISK: 37989000 - 37fef987
> ACPI: RSDP 000F7CA0, 0024 (r2 Nvidia)
> ACPI: XSDT CFEF30C0, 004C (r1 Nvidia ASUSACPI 42302E31 AWRD        0)
> ACPI: FACP CFEFB680, 00F4 (r3 Nvidia ASUSACPI 42302E31 AWRD        0)
> ACPI Warning (tbfadt-0568): 32/64X length mismatch in Pm1aEventBlock:
> 32/8 [20081204]
> ACPI Warning (tbfadt-0568): 32/64X length mismatch in
> Pm1aControlBlock: 16/8 [20081204]
> ACPI Warning (tbfadt-0568): 32/64X length mismatch in PmTimerBlock:
> 32/8 [20081204]
> ACPI Warning (tbfadt-0568): 32/64X length mismatch in Gpe0Block: 64/8
> [20081204]
> ACPI Warning (tbfadt-0568): 32/64X length mismatch in Gpe1Block: 128/8
> [20081204]
> ACPI Warning (tbfadt-0412): Invalid length for Pm1aEventBlock: 8,
> using default 32 [20081204]
> ACPI Warning (tbfadt-0412): Invalid length for Pm1aControlBlock: 8,
> using default 16 [20081204]
> ACPI Warning (tbfadt-0412): Invalid length for PmTimerBlock: 8, using
> default 32 [20081204]
> FADT: X_PM1a_EVT_BLK.bit_width (16) does not match PM1_EVT_LEN (4)

Are you asking about the "Warnings" above?
If yes, please note that Warning != Error

Basically Linux is telling you that the BIOS writer
who worked on your system is very sloppy and
Linux has to guess what they intend the OS to do.

> ACPI: DSDT CFEF3240, 83FB (r1 NVIDIA AWRDACPI     1000 MSFT  3000000)
> ACPI: FACS CFEF0000, 0040
> ACPI: HPET CFEFB8C0, 0038 (r1 Nvidia ASUSACPI 42302E31 AWRD       98)
> ACPI: MCFG CFEFB940, 003C (r1 Nvidia ASUSACPI 42302E31 AWRD        0)
> ACPI: APIC CFEFB7C0, 0098 (r1 Nvidia ASUSACPI 42302E31 AWRD        0)
> ACPI: SSDT CFEFC1C0, 087B (r1 Nvidia ASUSACPI 42302E31 AWRD        0)
> ACPI: Local APIC address 0xfee00000
> No NUMA configuration found
> Faking a node at 0000000000000000-0000000230000000
> Bootmem setup node 0 0000000000000000-0000000230000000
>  NODE_DATA [0000000000019000 - 0000000000030fff]
>  bootmap [0000000000031000 -  0000000000076fff] pages 46
> (7 early reservations) ==> bootmem [0000000000 - 0230000000]
>  #0 [0000000000 - 0000001000]   BIOS data page ==> [0000000000 -
> 0000001000]
>  #1 [0000006000 - 0000008000]       TRAMPOLINE ==> [0000006000 -
> 0000008000]
>  #2 [0000200000 - 0000aed830]    TEXT DATA BSS ==> [0000200000 -
> 0000aed830]
>  #3 [0037989000 - 0037fef987]          RAMDISK ==> [0037989000 -
> 0037fef987]
>  #4 [000009c000 - 0000100000]    BIOS reserved ==> [000009c000 -
> 0000100000]
>  #5 [0000010000 - 0000014000]          PGTABLE ==> [0000010000 -
> 0000014000]
>  #6 [0000014000 - 0000019000]          PGTABLE ==> [0000014000 -
> 0000019000]
> found SMP MP-table at [ffff8800000f6160] 000f6160
>  [ffffe20000000000-ffffe20007bfffff] PMD ->
> [ffff880001200000-ffff8800083fffff] on node 0
> Zone PFN ranges:
>  DMA      0x00000010 -> 0x00001000
>  DMA32    0x00001000 -> 0x00100000
>  Normal   0x00100000 -> 0x00230000
> Movable zone start PFN for each node
> early_n
> 
> Initializing the cpus on a Intel(R) Core(TM)2 Quad CPU    Q6600  @
> 2.40GHz stepping 0b
> 
> Initializing CPU#0
> Experimental hierarchical RCU implementation.
> Experimental hierarchical RCU init done.
> PID hash table entries: 4096 (order: 12, 32768 bytes)
> Extended CMOS year: 2000
> Fast TSC calibration using PIT
> Detected 2400.086 MHz processor.
> spurious 8259A interrupt: IRQ7.

Spurious interrupts are not good, but also not fatal.

> Console: colour dummy device 80x25
> console [tty0] enabled
> Checking aperture...
> No AGP bridge found
> PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
> Placing 64MB software IO TLB between ffff880008484000 -
> ffff88000c484000
> software IO TLB at phys 0x8484000 - 0xc484000
> Memory: 8187972k/9175040k available (3041k kernel code, 787984k
> absent, 199084k reserved, 3451k data, 884k init)
> hpet clockevent registered
> HPET: 3 timers in total, 0 timers will be used for per-cpu timer
> Calibrating delay loop (skipped), value calculated using timer
> frequency.. 4800.17 BogoMIPS (lpj=9600344)
> kdb version 4.4 by Keith Owens, Scott Lurndal. Copyright SGI, All
> Rights Reserved
> Security Framework initialized
> SELinux:  Disabled at boot.
> Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
> Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
> Mount-cache hash table entries: 256
> Initializing cgroup subsys ns
> Initializing cgroup subsys cpuacct
> Initializing cgroup subsys memory
> Initializing cgroup subsys devices
> Initializing cgroup subsys freezer
> Initializing cgroup subsys net_cls
> CPU: L1 I cache: 32K, L1 D cache: 32K
> CPU: L2 cache: 4096K
> [ds] using Core 2/Atom configuration
> CPU 0/0x0 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 0
> CPU0: Thermal monitoring enabled (TM2)
> using mwait in idle threads.
> ACPI: Core revision 20081204
> ACPI: Checking initramfs for custom DSDT
> ACPI: setting ELCR to 0ea0 (from 0ca0)
> Setting APIC routing to flat
> ExtINT not setup in hardware but reported by MP table
> ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=0 pin2=0
> CPU0: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
> Booting processor 1 APIC 0x1 ip 0x6000
> Initializing CPU#1
> Calibrating delay using timer specific routine.. 4799.94 BogoMIPS
> (lpj=9599891)
> CPU: L1 I cache: 32K, L1 D cache: 32K
> CPU: L2 cache: 4096K
> [ds] using Core 2/Atom configuration
> CPU 1/0x1 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 1
> CPU1: Thermal monitoring enabled (TM2)
> x86 PAT enabled: cpu 1, old 0x7040600070406, new 0x7010600070106
> CPU1: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
> checking TSC synchronization [CPU#0 -> CPU#1]: passed.
> Booting processor 2 APIC 0x3 ip 0x6000
> Initializing CPU#2
> Calibrating delay using timer specific routine.. 4800.00 BogoMIPS
> (lpj=9600002)
> CPU: L1 I cache: 32K, L1 D cache: 32K
> CPU: L2 cache: 4096K
> [ds] using Core 2/Atom configuration
> CPU 2/0x3 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 3
> CPU2: Thermal monitoring enabled (TM2)
> x86 PAT enabled: cpu 2, old 0x7040600070406, new 0x7010600070106
> CPU2: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
> checking TSC synchronization [CPU#1 -> CPU#2]: passed.
> Booting processor 3 APIC 0x2 ip 0x6000
> Initializing CPU#3
> Calibrating delay using timer specific routine.. 4799.98 BogoMIPS
> (lpj=9599960)
> CPU: L1 I cache: 32K, L1 D cache: 32K
> CPU: L2 cache: 4096K
> [ds] using Core 2/Atom configuration
> CPU 3/0x2 -> Node 0
> CPU: Physical Processor ID: 0
> CPU: Processor Core ID: 2
> CPU3: Thermal monitoring enabled (TM2)
> x86 PAT enabled: cpu 3, old 0x7040600070406, new 0x7010600070106
> CPU3: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz stepping 0b
> checking TSC synchronization [CPU#2 -> CPU#3]: passed.
> Brought up 4 CPUs
> Total of 4 processors activated (19200.09 BogoMIPS).
> CPU0 attaching sched-domain:
>  domain 0: span 0-1 level MC
>  groups: 0 1
>  domain 1: span 0-3 level CPU
>   groups: 0-1 2-3
> CPU1 attaching sched-domain:
>  domain 0: span 0-1 level MC
>  groups: 1 0
>  domain 1: span 0-3 level CPU
>   groups: 0-1 2-3
> CPU2 attaching sched-domain:
>  domain 0: span 2-3 level MC
>  groups: 2 3
>  domain 1: span 0-3 level CPU
>   groups: 2-3 0-1
> CPU3 attaching sched-domain:
>  domain 0: span 2-3 level MC
>  groups: 3 2
>  domain 1: span 0-3 level CPU
>   groups: 2-3 0-1
> 
> the lines : [ds] using Core 2/Atom configuration
> 
> this is not a atom cpu
> 
> so i took out   "perfmon"  and  ck804xrom.ko     fom lib/modules
> 
> boot parameters are  pnpacpi=no pci=noacpi  acpi_irq_balance

acpi_irq_balance has no effect because you're not using
ACPI to configure interurpts, you disabled it with "pci=noacpi", why?

> in this way the kernel gives more or less the same info in Gkrellm  as a 2.6.27
> 
> with out the boot parameters half the irq are routed to cpu 0
> irq 14  15  16  17  18  19  20  21

The mapping of device to IRQ is the job of ACPI (or MPS, or PIRQ).
The job of mapping that IRQ to a cpu belongs to irq_balance,
and the mapping will change depending on load.

> 2 not used pcie's  irq 24  and irq25 are alwayes on cpu 0
> 
> alloc irq_desc for 24 on cpu 0 node 0
> alloc kstat_irqs on cpu 0 node 0
> 
> alloc irq_desc for 25 on cpu 0 node 0
> alloc kstat_irqs on cpu 0 node 0

If you run your system in ACPI mode and have a problem,
please let me know.  As you've disabled the IRQ part
of ACPI with "pci=noacpi", I can't offer much help,
other than to suggest you not do that.

-Len

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