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    SubjectRe: 2.6.21-rc7-mm2 -- x86_64 blade hard hangs
    From
    On (26/04/07 15:51), Andi Kleen didst pronounce:
    > Andy Whitcroft <apw@shadowen.org> writes:
    >
    > > Getting hard boot failures before any kernel output on an x86_64 blade:
    > >
    > > root (hd0,0)
    > > Filesystem type is ext2fs, partition type 0x83
    > > kernel /vmlinuz-autobench ro root=/dev/VolGroup00/LogVol00 rhgb
    > > console=tty0 console=ttyS1,19200 selinux=no autobench_args:
    > > root=30726124 ABAT:1177507960 profile=2
    > > [Linux-bzImage, setup=0x1e00, size=0x21fe48]
    > > initrd /initrd-autobench.img
    > > [Linux-initrd @ 0x37e5f000, 0x190984 bytes]
    > > [silence]
    > >
    > > Kernel config is here:
    > >
    > > http://test.kernel.org/abat/85082/build/dotconfig
    >
    > You should boot with earlyprintk=serial,ttyS1,19200
    >

    Here is the console log. Haven't taken a closer look yet in case it's
    blindingly obvious to you.

    kernel /vmlinuz-autobench ro root=/dev/VolGroup00/LogVol00 rhgb
    console=tty0 co
    nsole=ttyS1,19200 selinux=no autobench_args: root=30726124
    ABAT:1177594149 logl
    evel=8 earlyprintk=serial,ttyS1,19200
    [Linux-bzImage, setup=0x1e00, size=0x220da8]
    initrd /initrd-autobench.img
    [Linux-initrd @ 0x37e5f000, 0x190982 bytes]
    Linux version 2.6.21-rc7-mm2-autokern1 (root@bl6-13.ltc.austin.ibm.com)
    (gcc version 4.1.1 20060525 (Red Hat 4.1.1-1)) #1 SMP Thu Apr 26
    08:16:37 CDT 2007
    Command line: ro root=/dev/VolGroup00/LogVol00 rhgb console=tty0
    console=ttyS1,19200 selinux=no autobench_args: root=30726124
    ABAT:1177594149 loglevel=8 earlyprintk=serial,ttyS1,19200
    BIOS-provided physical RAM map:
    BIOS-e820: 0000000000000000 - 000000000009d400 (usable)
    BIOS-e820: 000000000009d400 - 00000000000a0000 (reserved)
    BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved)
    BIOS-e820: 0000000000100000 - 000000003ffcddc0 (usable)
    BIOS-e820: 000000003ffcddc0 - 000000003ffd0000 (ACPI data)
    BIOS-e820: 000000003ffd0000 - 0000000040000000 (reserved)
    BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved)
    end_pfn_map = 1048576
    kernel direct mapping tables up to 100000000 @ 8000-d000
    DMI 2.3 present.
    ACPI: RSDP 000FDFC0, 0014 (r0 IBM )
    ACPI: RSDT 3FFCFF80, 0034 (r1 IBM SERBLADE 1000 IBM 45444F43)
    ACPI: FACP 3FFCFEC0, 0084 (r2 IBM SERBLADE 1000 IBM 45444F43)
    ACPI: DSDT 3FFCDDC0, 1EA6 (r1 IBM SERBLADE 1000 INTL 2002025)
    ACPI: FACS 3FFCFCC0, 0040
    ACPI: APIC 3FFCFE00, 009C (r1 IBM SERBLADE 1000 IBM 45444F43)
    ACPI: SRAT 3FFCFD40, 0098 (r1 IBM SERBLADE 1000 IBM 45444F43)
    ACPI: HPET 3FFCFD00, 0038 (r1 IBM SERBLADE 1000 IBM 45444F43)
    SRAT: PXM 0 -> APIC 0 -> Node 0
    SRAT: PXM 0 -> APIC 1 -> Node 0
    SRAT: PXM 1 -> APIC 2 -> Node 1
    SRAT: PXM 1 -> APIC 3 -> Node 1
    SRAT: Node 0 PXM 0 0-40000000
    PANIC: early exception rip ffffffff808a7e83 error 0 cr2 5cf0
    Call Trace:
    [<ffffffff808a7e83>] reserve_bootmem_node+0x0/0xc
    [<ffffffff808a3a8c>] reserve_bootmem_generic+0x6d/0x99
    [<ffffffff8089cc00>] setup_arch+0x2f7/0x469
    [<ffffffff80896510>] start_kernel+0x64/0x2aa
    [<ffffffff80896148>] _sinittext+0x148/0x14c
    RIP reserve_bootmem_node+0x0/0xc

    --
    Mel Gorman
    Part-time Phd Student Linux Technology Center
    University of Limerick IBM Dublin Software Lab
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