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    SubjectRe: Oops with current linus' git tree
    El Wed, 18 Jan 2006 14:23:09 +1100,
    Nick Piggin <nickpiggin@yahoo.com.au> escribió:

    > > I've been running kaffeine for hours and i didn't triggered it, it's
    > > hard to reproduce :/
    > >
    >
    > That's what I feared. Thanks for trying though.

    Ok, I've got another oops when closing amarok. This doesn't seem to hit
    your debug checks, but I though it could be related. After the fisrt
    oops I enabled the ECC event logging in the bios and it hasn't recorded
    anything, so I doubt the problem is faulty ram (this is plain 2.6.16-rc1)



    Eeek! page_mapcount(page) went negative! (-1)
    page->flags = 400
    page->count = 1
    page->mapping = 00000000
    ------------[ cut here ]------------
    kernel BUG at mm/rmap.c:524!
    invalid opcode: 0000 [#1]
    PREEMPT SMP DEBUG_PAGEALLOC
    Modules linked in: ipt_REJECT xt_tcpudp radeon lp thermal fan button processor ac ipt_MASQUERADE iptable_nat ip_nat ip_conntrack iptable_filt
    er ip_tables x_tables usbhid ohci_hcd parport_pc parport usbcore pcspkr floppy ide_cd e100 cdrom unix
    CPU: 0
    EIP: 0060:[<c014ac11>] Not tainted VLI
    EFLAGS: 00010286 (2.6.16-rc1)
    EIP is at page_remove_rmap+0x67/0x81
    eax: ffffffff ebx: c1000000 ecx: c03214f8 edx: 00000001
    esi: 00000000 edi: b6208000 ebp: e7172ee8 esp: e7172ee4
    ds: 007b es: 007b ss: 0068
    Process amarokapp (pid: 5475, threadinfo=e7172000 task=e7197ac0)
    Stack: <0>c1000000 e7172f44 c0145bcd b60ff000 de9832b0 e7172f64 00005ef9 00000000
    00000000 b62cc000 ee834b60 ee834b60 ee834b60 ee818e54 ffffffff ffffffff
    debdf820 c170a680 ee818e04 b62cc000 00000000 c170a680 ee818e04 e44bf440
    Call Trace:
    [<c0103e58>] show_stack_log_lvl+0xaa/0xb5
    [<c0103f95>] show_registers+0x132/0x19e
    [<c01042ca>] die+0x168/0x1ed
    [<c010454e>] do_trap+0x7c/0x96
    [<c01047ad>] do_invalid_op+0x89/0x93
    [<c01038e3>] error_code+0x4f/0x54
    [<c0145bcd>] unmap_vmas+0x22d/0x487
    [<c0148900>] unmap_region+0x92/0x116
    [<c0148e97>] do_munmap+0x144/0x19a
    [<c0148f3b>] sys_munmap+0x4e/0x67
    [<c0102d87>] sysenter_past_esp+0x54/0x75
    Code: 40 74 03 8b 53 0c 8b 42 04 40 50 68 0f 02 2e c0 e8 52 34 fd ff ff 73 10 68 26 02 2e c0 e8 45 34 fd ff 83 c4 10 8b 43 08 40 79 08 <0f> 0
    b 0c 02 bb 01 2e c0 83 ca ff b8 10 00 00 00 e8 e7 45 ff ff
    <3>Debug: sleeping function called from invalid context at include/linux/rwsem.h:43
    in_atomic():1, irqs_disabled():0
    [<c010401d>] show_trace+0xd/0xf
    [<c0104034>] dump_stack+0x15/0x17
    [<c0116ce5>] __might_sleep+0x86/0x90
    [<c011e6f3>] profile_task_exit+0x1b/0x47
    [<c011f96a>] do_exit+0x1c/0x72e
    [<c010434f>] do_simd_coprocessor_error+0x0/0x183
    [<c010454e>] do_trap+0x7c/0x96
    [<c01047ad>] do_invalid_op+0x89/0x93
    [<c01038e3>] error_code+0x4f/0x54
    [<c0145bcd>] unmap_vmas+0x22d/0x487
    [<c0148900>] unmap_region+0x92/0x116
    [<c0148e97>] do_munmap+0x144/0x19a
    [<c0148f3b>] sys_munmap+0x4e/0x67
    [<c0102d87>] sysenter_past_esp+0x54/0x75
    note: amarokapp[5475] exited with preempt_count 2
    scheduling while atomic: amarokapp/0x00000002/5475
    [<c010401d>] show_trace+0xd/0xf
    [<c0104034>] dump_stack+0x15/0x17
    [<c02c1b31>] schedule+0x43/0x7d1
    [<c02c3708>] rwsem_down_read_failed+0x166/0x185
    [<c0132cad>] .text.lock.futex+0x73/0xe6
    [<c0132c2b>] sys_futex+0xa2/0xb1
    [<c011b277>] mm_release+0x5a/0x65
    [<c011eeca>] exit_mm+0x16/0x139
    [<c011face>] do_exit+0x180/0x72e
    [<c010434f>] do_simd_coprocessor_error+0x0/0x183
    [<c010454e>] do_trap+0x7c/0x96
    [<c01047ad>] do_invalid_op+0x89/0x93
    [<c01038e3>] error_code+0x4f/0x54
    [<c0145bcd>] unmap_vmas+0x22d/0x487
    [<c0148900>] unmap_region+0x92/0x116
    [<c0148e97>] do_munmap+0x144/0x19a
    [<c0148f3b>] sys_munmap+0x4e/0x67
    [<c0102d87>] sysenter_past_esp+0x54/0x75
    -
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