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    SubjectRe: [BISECT] Boot failure on ia64.
    * Robin Holt <holt@sgi.com>:
    > Here is the output. This is from a different boot, but it does look the
    > same.

    Hrm, that's odd. There's no debug output at all. Did you apply
    the patch?

    > Robin
    >
    > fs0:\efi\SuSE> elilo net0:holt/v1 root=/dev/sda7
    > ELILO
    > Uncompressing Linux... done
    > Initializing cgroup subsys cpuset
    > Linux version 2.6.26-rc7-holt-00051-g62786b9-dirty (holt@attica) (gcc version 4.1.2 20070115 (prerelease) (SUSE Linux)) #19 SMP Tue Jun 24 10:22:55 CDT 2008

    Ok, -dirty -- sorry, I believe you. :)

    So that tells me we're not calling sn_cpu_init()? That's not what
    the code says should be happening...

    The lack of output kinda makes sense, since the oops looks like
    it's coming from trying to access an uninitialized sn_nodepda,
    but I'm really confused as to why, since we should have
    initialized it before check_sal_cache_flush().

    Anyone at SGI with more of a clue than me? (before I start digging
    in depth)

    Thanks.

    /ac

    > EFI v1.10 by INTEL: SALsystab=0x6002c25f10 ACPI 2.0=0x6002c26000
    > console [sn_sal0] enabled
    > ACPI: RSDP 6002C26000, 0024 (r2 SGI)
    > ACPI: XSDT 6002C297F0, 0044 (r1 SGI XSDTSN2 10001 7C)
    > ACPI: APIC 6002C26870, 032C (r1 SGI APICSN2 10001 1)
    > ACPI: SRAT 6002C26BB0, 06B0 (r1 SGI SRATSN2 10001 1)
    > ACPI: SLIT 6002C27270, 012C (r1 SGI SLITSN2 10001 1)
    > ACPI: FACP 6002C27400, 00F4 (r3 SGI FACPSN2 30001 1)
    > ACPI: DSDT 6002C2AAF0, 0024 (r2 SGI DSDTSN2 20001 AAC)
    > ACPI: FACS 6002C273B0, 0040
    > Number of logical nodes in system = 16
    > Number of memory chunks in system = 16
    > SAL 3.2: SGI SN2 version 1.50
    > SAL Platform features: ITC_Drift
    > SAL: AP wakeup using external interrupt vector 0x12
    > Unable to handle kernel NULL pointer dereference (address 00000000000044b8)
    > swapper[0]: Oops 8813272891392 [1]
    > Modules linked in:
    >
    > Pid: 0, CPU 0, comm: swapper
    > psr : 00001010084a2010 ifs : 8000000000000491 ip : [<a000000100087020>] Not tainted (2.6.26-rc7-holt-00051-g62786b9-dirty)
    > ip is at sn2_send_IPI+0x80/0x240
    > unat: 0000000000000000 pfs : 0000000000000491 rsc : 0000000000000003
    > rnat: 000000000000afc8 bsps: 000000000001003e pr : 65691ba55aa68599
    > ldrs: 0000000000000000 ccv : 0000000000ff03ff fpsr: 0009804c8a70433f
    > csd : 0000000000000000 ssd : 0000000000000000
    > b0 : a0000001009529b0 b6 : 00000000ff5423b0 b7 : e000000001fffc00
    > f6 : 1003e0000000000000000 f7 : 1003e0000000000000001
    > f8 : 1003e0000000000000000 f9 : 1003e0000000000000000
    > f10 : 100068fffffffff700000 f11 : 1003e0000000000000090
    > r1 : a000000100e9d010 r2 : 00000000000044b8 r3 : 0000000000000000
    > r8 : 0000000000000000 r9 : 0000000000000000 r10 : ffffffffffff6298
    > r11 : 0000000000000000 r12 : a000000100aefc30 r13 : a000000100ae0000
    > r14 : 0000000000000000 r15 : e000006003106298 r16 : e000006003110000
    > r17 : a000000100d1f3e8 r18 : a000000100d1f3e8 r19 : a000000100d1f3e8
    > r20 : 0000000000000000 r21 : ffffffffffff0420 r22 : 0000000000000800
    > r23 : 0000000000000007 r24 : e0000060030b0000 r25 : 000000000004ffff
    > r26 : a00000010098d440 r27 : e0000060030b0010 r28 : e0000060030b0000
    > r29 : e0000060030b0020 r30 : 0000000000000000 r31 : 00000000000007ff
    > Unable to handle kernel NULL pointer dereference (address 0000000000000000)
    > swapper[0]: Oops 8813272891392 [2]
    > Modules linked in:
    >
    > Pid: 0, CPU 0, comm: swapper
    > psr : 0000101008022018 ifs : 800000000000038c ip : [<a000000100182e30>] Not tainted (2.6.26-rc7-holt-00051-g62786b9-dirty)
    > ip is at kmem_cache_alloc+0x70/0x180
    > unat: 0000000000000000 pfs : 0000000000000610 rsc : 0000000000000003
    > rnat: 0000000000000000 bsps: 0000000000000000 pr : 65691ba55aa69aa5
    > ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70033f
    > csd : 0000000000000000 ssd : 0000000000000000
    > b0 : a000000100040bc0 b6 : a000000100040e00 b7 : a00000010000b730
    > f6 : 1003e45b3373c16c02344 f7 : 1003e9e3779b97f4a7c16
    > f8 : 1003e0a00000010001426 f9 : 10006c7fffffffd73ea5c
    > f10 : 100068fffffffff700000 f11 : 1003e0000000000000090
    > r1 : a000000100e9d010 r2 : a000000100bbe950 r3 : a000000100bbc860
    > r8 : 0000000000000000 r9 : 0000000000000000 r10 : a000000100ae0cf4
    > r11 : 0000000000000000 r12 : a000000100aef100 r13 : a000000100ae0000
    > r14 : 0000000000000014 r15 : a000000100aef190 r16 : a000000100aef198
    > r17 : a000000100cb3e50 r18 : a000000100aef17c r19 : a000000100aef170
    > r20 : 0000000000000000 r21 : 0000000000000000 r22 : a000000100aef170
    > r23 : a000000100aef174 r24 : 000000000000000c r25 : a000000100aef180
    > r26 : a000000100aef174 r27 : 0000000000000000 r28 : 0000000000000000
    > r29 : a000000100aef178 r30 : 000000007fffffff r31 : 000000000000000c
    >


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