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    SubjectRe: 2.6.13.1 - Failed boot of "kdump" kernel
    Please ignore this message.  I did not properly specify the kernel 
    parameters for booting a RAID-1 root partition. Once I did it properly
    the kernel boots fine.

    Harry Edmon wrote:

    > I am using kexec and SYSRQ to boot up a "kdump" kernel on a Dual Xeon
    > system (and yes, I have SMP off on the second kernel per the
    > instructions in Documentation/kdump/kdump.txt). The second kernel
    > that I loaded with kexec is crashing on boot. Here is the output from
    > the serial console:
    >
    > SysRq : Trigger a crashdump
    > I'm in purgatory
    > Linux version 2.6.13.1-kdump (root@freshair1) (gcc version 3.3.5
    > (Debian 1:3.3.5-13)) #5 Tue Sep 13 08:36:21 PDT 2005
    > BIOS-provided physical RAM map:
    > BIOS-e820: 0000000000000100 - 000000000009b000 (usable)
    > BIOS-e820: 000000000009b000 - 00000000000a0000 (reserved)
    > BIOS-e820: 0000000000100000 - 00000000bff70000 (usable)
    > BIOS-e820: 00000000bff70000 - 00000000bff78000 (ACPI data)
    > BIOS-e820: 00000000bff78000 - 00000000bff80000 (ACPI NVS)
    > BIOS-e820: 00000000bff80000 - 00000000c0000000 (reserved)
    > BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved)
    > BIOS-e820: 00000000fec00000 - 00000000fec10000 (reserved)
    > BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved)
    > BIOS-e820: 00000000ff800000 - 00000000ffc00000 (reserved)
    > BIOS-e820: 00000000fffffc00 - 0000000100000000 (reserved)
    > user-defined physical RAM map:
    > user: 0000000000000000 - 00000000000a0000 (usable)
    > user: 0000000001000000 - 0000000001347000 (usable)
    > user: 00000000013e7400 - 0000000005000000 (usable)
    > 0MB HIGHMEM available.
    > 80MB LOWMEM available.
    > found SMP MP-table at 000f5d40
    > DMI present.
    > Intel MultiProcessor Specification v1.4
    > Virtual Wire compatibility mode.
    > OEM ID: INTEL Product ID: Lindenhurst APIC at: 0xFEE00000
    > Processor #0 15:3 APIC version 20
    > Processor #6 15:3 APIC version 20
    > WARNING: NR_CPUS limit of 1 reached. Processor ignored.
    > I/O APIC #2 Version 32 at 0xFEC00000.
    > I/O APIC #3 Version 32 at 0xFEC10000.
    > I/O APIC #4 Version 32 at 0xFEC80000.
    > I/O APIC #5 Version 32 at 0xFEC80400.
    > Enabling APIC mode: Flat. Using 4 I/O APICs
    > Processors: 1
    > Allocating PCI resources starting at 05000000 (gap: 05000000:fb000000)
    > Built 1 zonelists
    > Kernel command line: root=/dev/md0 init 1 irqpoll console=ttyS0,38400
    > memmap=exactmap memmap=640K@0K memmap=3356K@16384K
    > memmap=61539K@20381K elfcorehdr=20380K
    > Misrouted IRQ fixup and polling support enabled
    > This may significantly impact system performance
    > Initializing CPU#0
    > PID hash table entries: 512 (order: 9, 8192 bytes)
    > Detected 3001.041 MHz processor.
    > Using tsc for high-res timesource
    > Console: colour VGA+ 80x25
    > Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
    > Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
    > Memory: 61268k/81920k available (2134k kernel code, 4104k reserved,
    > 808k data, 160k init, 0k highmem)
    > Checking if this processor honours the WP bit even in supervisor
    > mode... Ok.
    > Calibrating delay using timer specific routine.. 6008.19 BogoMIPS
    > (lpj=3004095)
    > Security Framework v1.0.0 initialized
    > Mount-cache hash table entries: 512
    > monitor/mwait feature present.
    > using mwait in idle threads.
    > CPU: Trace cache: 12K uops, L1 D cache: 16K
    > CPU: L2 cache: 1024K
    > Intel machine check architecture supported.
    > Intel machine check reporting enabled on CPU#0.
    > CPU0: Intel P4/Xeon Extended MCE MSRs (24) available
    > CPU0: Thermal monitoring enabled
    > mtrr: v2.0 (20020519)
    > CPU: Intel(R) Xeon(TM) CPU 3.00GHz stepping 04
    > Enabling fast FPU save and restore... done.
    > Enabling unmasked SIMD FPU exception support... done.
    > Checking 'hlt' instruction... OK.
    > ------------[ cut here ]------------
    > kernel BUG at <bad filename>:65464!
    > invalid operand: 0000 [#1]
    > Modules linked in:
    > CPU: 0
    > EIP: 0060:[<c100fde6>] Not tainted VLI
    > EFLAGS: 00010246 (2.6.13.1-kdump)
    > EIP is at setup_local_APIC+0x26/0x180
    > eax: 00000000 ebx: 00050014 ecx: 00000000 edx: ffffffff
    > esi: 00000014 edi: c14c9fd4 ebp: 00000000 esp: c14c9f94
    > ds: 007b es: 007b ss: 0068
    > Process swapper (pid: 1, threadinfo=c14c8000 task=c14aba40)
    > Stack: c12ed809 c10141dd c14ab530 c1000290 00000000 c12edf89 c101cc6a
    > c14ab530
    > 00000001 00000000 00000000 00000000 00000000 00000000 00000000
    > 00000000
    > 00000000 c10002ab 0000007b ffffffff c1000f88 c1000f8d 00000000
    > 00000000
    > Call Trace:
    > [<c12ed809>] verify_local_APIC+0x69/0x120
    > [<c10141dd>] wake_up_process+0x1d/0x30
    > [<c1000290>] init+0x0/0x110
    > [<c12edf89>] APIC_init_uniprocessor+0xb9/0x120
    > [<c101cc6a>] cpu_callback+0xaa/0xb0
    > [<c10002ab>] init+0x1b/0x110
    > [<c1000f88>] kernel_thread_helper+0x0/0x18
    > [<c1000f8d>] kernel_thread_helper+0x5/0x18
    > Code: c3 8d 74 26 00 56 53 83 ec 0c 8b 1d 30 d0 ff ff a1 20 d0 ff ff
    > 0f b6 f3 c1 e8 18 83 e0 0f 0f a3 05 60 07 31 c1 19 c0 85 c0 75 02 <0f>
    > 0b b8 ff ff ff ff a3 e0 d0 ff ff a1 d0 d0 ff ff 25 ff ff ff
    > <0>Kernel panic - not syncing: Attempted to kill init!
    >
    > Anyone have ideas why this is crashing? kernel config file available
    > upon request.
    >
    >
    >
    >

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