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List:       linux-smp
Subject:    Sytem Hangs, unable to handle kernel paging request
From:       Oliver Korff <oliver.korff () credativ ! de>
Date:       2003-02-18 12:04:02
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Hi,

during nights with high load I get system crashes at several machines. All 
machines have the same system setup: dual Xeon 2.0Ghz on a supermicro board.

Failure message: 

unable to handle kernel paging request

or 

unable to handle kernel null pointer at

Hyperthreading is enabled so the kernel see 4 instead of 2 processors.


Every help is deeply appreaciated, please also reply to me directly,

Oliver


Maybe my Kernel setup is faulty here is some of the logs:

Feb 17 10:49:31 lxb007 kernel: testing the IO APIC.......................
Feb 17 10:49:31 lxb007 kernel:
Feb 17 10:49:31 lxb007 kernel: IO APIC #2......
Feb 17 10:49:31 lxb007 kernel: .... register #00: 02008000
Feb 17 10:49:31 lxb007 kernel: .......    : physical APIC id: 02
Feb 17 10:49:31 lxb007 kernel:  WARNING: unexpected IO-APIC, please mail
Feb 17 10:49:31 lxb007 kernel:           to linux-smp@vger.kernel.org
Feb 17 10:49:31 lxb007 kernel: .... register #01: 00178020
Feb 17 10:49:31 lxb007 kernel: .......     : max redirection entries: 0017
Feb 17 10:49:35 lxb007 kernel: .......     : PRQ implemented: 1
Feb 17 10:49:35 lxb007 kernel: .......     : IO APIC version: 0020
Feb 17 10:49:35 lxb007 kernel: .... register #02: 00000000
Feb 17 10:49:35 lxb007 kernel: .......     : arbitration: 00
Feb 17 10:49:35 lxb007 kernel: .... IRQ redirection table:
Feb 17 10:49:35 lxb007 kernel:  NR Log Phy Mask Trig IRR Pol Stat Dest



passed.
Feb 17 10:49:52 lxb007 kernel: Waiting on wait_init_idle (map xe)
Feb 17 10:49:52 lxb007 kernel: All processors have done init_idle
Feb 17 10:49:52 lxb007 kernel: mtrr: your CPUs had inconsistent fixed
MTRR settings
Feb 17 10:49:52 lxb007 kernel: mtrr: probably your BIOS does not setup
all CPUs
Feb 17 10:49:52 lxb007 kernel: PCI: PCI BIOS revision 2.10 entry at
0xfd875, last bus

Feb 17 10:49:56 lxb007 kernel: ide: Assuming 33MHz system bus speed for
PIO modes; override with idebusxx
Feb 17 10:49:56 lxb007 kernel: ICH3: IDE controller on PCI bus 00 dev f9
Feb 17 10:49:56 lxb007 kernel: PCI: Device 00:1f.1 not available because
of resource collisions
Feb 17 10:49:56 lxb007 kernel: PCI: No IRQ known for interrupt pin A of
device 00:1f.1. Probably buggy MP table.
Feb 17 10:49:56 lxb007 kernel: ICH3: BIOS setup was incomplete.


Feb 17 10:49:31 lxb007 kernel: ..TIMER: vectorx31 pin1 pin2Feb 17 10:49:31 lxb007 \
                kernel: testing the IO APIC.......................
Feb 17 10:49:31 lxb007 kernel:
Feb 17 10:49:31 lxb007 kernel:  WARNING: unexpected IO-APIC, please mail
Feb 17 10:49:31 lxb007 kernel:           to linux-smp@vger.kernel.org
Feb 17 10:49:35 lxb007 kernel:
Feb 17 10:49:47 lxb007 last message repeated 3 times
Feb 17 10:49:52 lxb007 kernel: .................................... done.
Feb 17 10:49:52 lxb007 kernel: Using local APIC timer interrupts.
Feb 17 10:49:52 lxb007 kernel: calibrating APIC timer ...
Feb 17 10:49:52 lxb007 kernel: ..... CPU clock speed is 1996.6800 MHz.
Feb 17 10:49:52 lxb007 kernel: ..... host bus clock speed is 99.8337 MHz.
Feb 17 10:49:52 lxb007 kernel: ..... host bus clock speed is 99.8337 MHz.
Feb 17 10:49:52 lxb007 kernel: cpu: 0, clocks: 998337, slice: 199667
Feb 17 10:49:52 lxb007 kernel:
CPU0<T0:998336,T1:798656,D:13,S:199667,C:998337>
Feb 17 10:49:52 lxb007 kernel: cpu: 1, clocks: 998337, slice: 199667
Feb 17 10:49:52 lxb007 kernel: cpu: 2, clocks: 998337, slice: 199667
Feb 17 10:49:52 lxb007 kernel: cpu: 3, clocks: 998337, slice: 199667
Feb 17 10:49:52 lxb007 kernel:
CPU1<T0:998336,T1:598992,D:10,S:199667,C:998337>
Feb 17 10:49:52 lxb007 kernel:
CPU2<T0:998336,T1:399328,D:7,S:199667,C:998337>
Feb 17 10:49:52 lxb007 kernel:
CPU3<T0:998336,T1:199664,D:4,S:199667,C:998337>
Feb 17 10:49:52 lxb007 kernel: checking TSC synchronization across CPUs:
passed.
Feb 17 10:49:52 lxb007 kernel: Waiting on wait_init_idle (map xe)
Feb 17 10:49:52 lxb007 kernel: All processors have done init_idle
Feb 17 10:49:52 lxb007 kernel: mtrr: your CPUs had inconsistent fixed
MTRR settings
Feb 17 10:49:52 lxb007 kernel: mtrr: probably your BIOS does not setup
all CPUs
Feb 17 10:49:52 lxb007 kernel: PCI: PCI BIOS revision 2.10 entry at
0xfd875, last busFeb 17 10:49:52 lxb007 kernel: PCI: Using configuration type 1
Feb 17 10:49:52 lxb007 kernel: PCI: Probing PCI hardware
Feb 17 10:49:52 lxb007 kernel: Transparent bridge - Intel Corp.
82801BA/CA/DB PCI Bridge

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