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    SubjectRe: 2.6.17-rc6-rt3
    K.R. Foley wrote:
    > Thomas Gleixner wrote:
    >
    >> On Mon, 2006-06-12 at 12:19 -0500, K.R. Foley wrote:
    >>
    >>>> BUG: unable to handle kernel paging request at virtual address f3010000
    >>>> printing eip:
    >>>> *pde = 00000000
    >>>> Oops: 0000 [#1]
    >>>> PREEMPT SMP
    >>>> Modules linked in:
    >>>> CPU: 1
    >>>> EIP: 0060:[<c0132f9c>] Not tainted VLI
    >>>> EFLAGS: 00010297 (2.6.17-rc6-rt4 #10)
    >>>> EIP is at lookup_symbol+0x11/0x35
    >>>> eax: 00000001 ebx: e083185c ecx: c02f20c4 edx: c02f0000
    >>>> esi: f3010000 edi: e083185c ebp: df597e80 esp: df597e74
    >>>> ds: 007b es: 007b ss: 0068 preempt: 00000001
    >>>> Process modprobe (pid: 1419, threadinfo=df596000 task=dec3ac90
    >>>> stack_left=7744 worst_left=-1)
    >>>> Stack: e083b580 00000bf0 e083185c df597e9c c0132fe5 df597eb4 df597eb0
    >>>> e083b580
    >>>> 00000bf0 e083185c df597ec4 c0133c93 00000001 00000012 e082dde8
    >>>> 00000000
    >>>> df597ed8 e0839200 00000bf0 e082dde8 df597ee8 c01341fa e083b580
    >>>> 00000000
    >>>> Call Trace:
    >>>> [<c01036a1>] show_stack_log_lvl+0x82/0x8a (36)
    >>>> [<c0103821>] show_registers+0x139/0x1a1 (32)
    >>>> [<c0103a15>] die+0x118/0x1df (60)
    >>>> [<c0110cf3>] do_page_fault+0x45c/0x532 (76)
    >>>> [<c010336b>] error_code+0x4f/0x54 (72)
    >>>> [<c0132fe5>] __find_symbol+0x25/0x1b7 (28)
    >>>> [<c0133c93>] resolve_symbol+0x27/0x5f (40)
    >>>> [<c01341fa>] simplify_symbols+0x83/0xf3 (36)
    >>>> [<c0134e31>] load_module+0x668/0x9e2 (184)
    >>>> [<c0135210>] sys_init_module+0x42/0x1a4 (20)
    >>>> [<c01027fb>] sysenter_past_esp+0x54/0x75 (-8116)
    >>>> Code: eb 11 8b 75 f0 41 83 c2 28 0f b7 46 30 39 c1 72 c9 31 c0 5a 59 5b
    >>>> 5e 5f 5d c3 55 89 e5 57 56 53 89 c3 39 ca 73 22 8b 72 04 89 df <ac> ae
    >>>> 75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 85 c0 75 04 89
    >>>> EIP: [<c0132f9c>] lookup_symbol+0x11/0x35 SS:ESP 0068:df597e74
    >>>>
    >>> DOH! That was actually 2.6.17-rc6-rt4. Sorry.
    >>>
    >> Which module is it trying to load ?
    >>
    >> tglx
    >>
    >
    > Can't really say which it is trying to load when it dies. The lines
    > below are the lines that immediately preceed the oops.
    >
    > NET: Registered protocol family 1
    > input: AT Translated Set 2 keyboard as /class/input/input0
    > NET: Registered protocol family 17
    > NET: Registered protocol family 8
    > NET: Registered protocol family 20
    > Starting balanced_irq
    > Using IPI Shortcut mode
    > Time: tsc clocksource has been installed.
    > hrtimers: Switched to high resolution mode CPU 3
    > hrtimers: Switched to high resolution mode CPU 2
    > hrtimers: Switched to high resolution mode CPU 1
    > hrtimers: Switched to high resolution mode CPU 0
    > *****************************************************************************
    > *
    > *
    > * REMINDER, the following debugging option is turned on in your
    > .config: *
    > *
    > *
    > * CONFIG_DEBUG_RT_MUTEXES
    > *
    > *
    > *
    > * it may increase runtime overhead and latencies.
    > *
    > *
    > *
    > *****************************************************************************
    > Freeing unused kernel memory: 200k freed
    > input: ImExPS/2 Generic Explorer Mouse as /class/input/input1
    > kjournald starting. Commit interval 5 seconds
    > EXT3-fs: mounted filesystem with ordered data mode.
    >
    >
    Similar for me on a dual Xeon 3.2 with 2.6.17-rc6-rt4:

    *****************************************************************************
    Time: tsc clocksource has been installed.
    hrtimers: Switched to high resolution mode CPU 0
    hrtimers: Switched to high resolution mode CPU 1
    *
    *
    * REMINDER, the following debugging option is turned on in your
    .config: *
    *
    *
    *
    CONFIG_DEBUG_RT_MUTEXES *
    *
    *
    * it may increase runtime overhead and
    latencies. *
    *
    *
    *****************************************************************************
    Freeing unused kernel memory: 208k freed
    Red Hat nash version 4.1.18.1 starting
    Mounted /proc filesystem
    Mounting sysfs
    Creating /dev
    Starting udev
    Loading jbd.ko mBUG: unable to handle kernel paging request at virtual
    address 75010000
    printing eip:
    c0135679
    *pde = 00000000
    Oops: 0000 [#1]
    PREEMPT SMP
    Modules linked in:
    CPU: 1
    Eodule
    IP: 0060:[<c0135679>] Not tainted VLI
    EFLAGS: 00010297 (2.6.17-rc6-rt5 #1)
    EIP is at lookup_symbol+0xe/0x31
    eax: ffffffff ebx: f881a7d2 ecx: c0332f3c edx: c03309d8
    esi: 75010000 edi: f881a7d2 ebp: f7f27ec0 esp: f7f27e8c
    ds: 007b es: 007b ss: 0068 preempt: 00000001
    Process insmod (pid: 293, threadinfo=f7f27000 task=f7f360f0
    stack_left=3672 worst_left=-1)
    Stack: f882e520 000010a0 f881a7d2 c01356bd f7f27ebc f882e520 000010a0
    f881a7d2
    00000012 c013630c 00000001 f881752c 00000000 c0334284 f882abc0
    000010a0
    f881752c 0000008f c0136859 f882e520 00000000 f881931c f882e52c
    f882e52d
    Call Trace:
    [<c01356bd>] __find_symbol+0x21/0x1b3 (16)
    [<c013630c>] resolve_symbol+0x27/0x61 (24)
    [<c0136859>] simplify_symbols+0x85/0xf7 (36)
    [<c0137532>] load_module+0x73f/0xaf9 (32)
    [<c013373e>] try_to_take_rt_mutex+0x165/0x172 (20)
    [<c013792f>] sys_init_module+0x24/0x1a0 (16)
    [<c013794d>] sys_init_module+0x42/0x1a0 (144)
    [<c01032d3>] sysenter_past_esp+0x54/0x75 (16)
    Code: 01 85 c0 75 04 89 c8 eb 0e 0f b7 45 30 41 83 c2 28 39 c1 72 cb 31
    c0 5a 5b 5e 5f 5d c3 57 56 53 89 c3 39 ca 73 22 8b 72 04 89 df <ac> ae
    75 08 84 c0 75 f8 31 c0 eb 04 19 c0 0c 01 85 c0

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