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    SubjectRe: [bug] SLUB + mm/slab.c boot crash in -rc9

    * Ingo Molnar <mingo@elte.hu> wrote:

    > ok, will try that now.

    btw., as i progress with that bisection effort, i triggered new crash
    patterns, which lappen later during bootup:

    [ 0.775886] initcall 0xc0b00559 ran for 0 msecs: ksysfs_init+0x0/0x96()
    [ 0.777885] Calling initcall 0xc0b01eb8: filelock_init+0x0/0x27()
    [ 0.780137] BUG: unable to handle kernel NULL pointer dereference at 00000001
    [ 0.782883] IP: [<c0293981>] strlen+0xb/0x15
    [ 0.784884] *pde = 00000000
    [ 0.786889] Oops: 0000 [#1] SMP
    [ 0.787880]
    [ 0.787880] Pid: 1, comm: swapper Not tainted (2.6.24-05281-g6232665 #3)
    [ 0.787880] EIP: 0060:[<c0293981>] EFLAGS: 00010286 CPU: 0
    [ 0.787880] EIP is at strlen+0xb/0x15
    [ 0.787880] EAX: 00000000 EBX: 00040000 ECX: ffffffff EDX: 00040000
    [ 0.787880] ESI: c0915320 EDI: 00000001 EBP: f7c23f08 ESP: f7c23f04
    [ 0.787880] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
    [ 0.787880] Process swapper (pid: 1, ti=f7c22000 task=f7c20000 task.ti=f7c22000)
    [ 0.787880] Stack: f7c1f540 f7c23f18 c015b138 00000094 c016b45a f7c23f48 c015c92c c016b45a
    [ 0.787880] 00000025 c0915320 f7c1f540 000000d0 f7c23f58 00000282 f7c1f540 00000000
    [ 0.787880] 00000000 f7c23f84 c015cbc8 00000060 00000000 00040000 c016b45a c0133e81
    [ 0.787880] Call Trace:
    [ 0.787880] [<c015b138>] ? kmem_cache_flags+0x3d/0x5b
    [ 0.787880] [<c016b45a>] ? init_once+0x0/0xc
    [ 0.787880] [<c015c92c>] ? kmem_cache_open+0x64/0x128
    [ 0.787880] [<c016b45a>] ? init_once+0x0/0xc
    [ 0.787880] [<c015cbc8>] ? kmem_cache_create+0x14e/0x1d6
    [ 0.787880] [<c016b45a>] ? init_once+0x0/0xc
    [ 0.787880] [<c0133e81>] ? ktime_get_ts+0x3b/0x3f
    [ 0.787880] [<c0133e96>] ? ktime_get+0x11/0x2f
    [ 0.787880] [<c0b01ed6>] ? filelock_init+0x1e/0x27
    [ 0.787880] [<c016b45a>] ? init_once+0x0/0xc
    [ 0.787880] [<c0af176d>] ? kernel_init+0x13f/0x298
    [ 0.787880] [<c0103b46>] ? ret_from_fork+0x6/0x20
    [ 0.787880] [<c0af162e>] ? kernel_init+0x0/0x298
    [ 0.787880] [<c0af162e>] ? kernel_init+0x0/0x298
    [ 0.787880] [<c0104ed7>] ? kernel_thread_helper+0x7/0x10
    [ 0.787880] =======================
    [ 0.787880] Code: 5d c3 55 89 e5 56 89 c6 89 d0 88 c4 ac 38 e0 74 09 84 c0 75 f7 be 01 00 00 00 89 f0 48 5e 5d c3 55 89 e5 57 89 c7 31 c0 83 c9 ff <f2> ae f7 d1 49 89 c8 5f 5d c3 55 89 e5 57 89 c7 89 d0 31 d2 85
    [ 0.787880] EIP: [<c0293981>] strlen+0xb/0x15 SS:ESP 0068:f7c23f04
    [ 0.787906] ---[ end trace ca143223eefdc828 ]---
    [ 0.788890] Kernel panic - not syncing: Attempted to kill init!
    [ 0.789899] Rebooting in 10 seconds..

    Ingo


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