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    SubjectRe: several oopses during boot (was: Re: [PATCH] Add CONFIG for -mregparm=3)
    Sander wrote (ao):
    > Andi Kleen wrote (ao):
    > > On Sat, Jan 17, 2004 at 10:07:15PM +0100, Sander wrote:
    > > > > > Without the REGPARM option the system boots and runs fine.
    > > > > >
    > > > > > Should I post the oopses, the result of ksymoops, a dmesg and
    > > > > > kernel config or is this an already known issue?
    > > > >
    > > > > Not known. Please post the decoded oopses. Also give your
    > > > > compiler version.
    > > >
    > > > Hope this helps. The system runs fine with the option disabled.
    > >
    > > Can you perhaps save your .config, do a make distclean and try
    > > to compile the kernel from scratch again? Maybe you had some stale
    > > object files around.
    >
    > I'm terrible sorry to say that I can't reproduce the oopses
    > anymore .. :-( Maybe something went wrong during the tftp of the
    > kernel, or I made a mistake ..
    >
    > Sorry for wasting your time ..

    I got another oops now, and discovered that I had kksymoops (KALLSYMS)
    already enabled as Mike requested.

    kernel 2.6.1-mm4, C3 cpu (via mini-itx mobo)
    gcc (GCC) 3.3.3 20040110 (prerelease) (Debian)

    I have no idea if it is hardware or software related, and if it has got
    anything to do with the REGPARM option, but I entered this thread
    because the kernel oopsed the first time I booted it and the first time
    I enabled this option.

    Btw, I always do rm -rf linux-2.6.1 ; tar jxf linux-2.6.1.tar.bz2 etc
    before a compile.

    I'll provide the .config if needed, but thought this message is long
    enough already. Is this report of any use?

    This is the oops I got now when doing an apt-get install. It was idle for
    some hours after an afternoon of stress testing:

    Unable to handle kernel NULL pointer dereference at virtual address 00000000
    printing eip:
    c029fa14
    *pde = 00000000
    Oops: 0002 [#1]
    CPU: 0
    EIP: 0060:[<c029fa14>] Not tainted VLI
    EFLAGS: 00010282
    EIP is at proc_dodebug+0xa74/0x10c0
    eax: fffffed0 ebx: 00000000 ecx: 00000003 edx: db098d20
    esi: db098d3a edi: cc380010 ebp: 000004f8 esp: c0357ce4
    ds: 007b es: 007b ss: 0068
    Process swapper (pid: 0, threadinfo=c0356000 task=c02eba60)
    Stack: 000000d0 000005c8 000000d0 c0248c60 db098d2a cc380000 000000d0 00000000
    00000000 00000000 00000001 00000000 c0357da0 c0126bba 00000000 00000001
    000000d0 00001000 00000b90 00001088 c0248dec dacd1be0 000004f8 cc380000 skb_copy_and_csum_bits+0x50/0x2a0
    [<c0126bba>] update_process_times+0x2a/0x30
    [<c0248dec>] skb_copy_and_csum_bits+0x1dc/0x2a0
    [<c0291828>] skb_read_and_csum_bits+0x28/0x60
    [<c029b025>] xdr_partial_copy_from_skb+0x105/0x150
    [<c02918b4>] csum_partial_copy_to_xdr+0x54/0x100
    [<c0291800>] skb_read_and_csum_bits+0x0/0x60
    [<c0291a75>] udp_data_ready+0x115/0x1f0
    [<c027db48>]

    (ends here)

    And this are the first few oopses from yesterdays report during startup:

    Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#1]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 0000000d edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 13, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 00002323 23232323 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000202
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb

    Code: 00 00 52 8b 80 88 00 00 00 50 e8 0f 49 ff ff 5e 58 8b 03 <1>Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#2]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 0000000e edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 14, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 61630053 32323232 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000246
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb

    Code: 00 00 52 8b 80 88 00 00 00 50 e8 0f 49 ff ff 5e 58 8b 03 <1>Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#3]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 0000000f edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 15, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 61630053 32323232 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000246
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb

    Code: 00 00 52 8b 80 88 00 00 00 50 e8 0f 49 ff ff 5e 58 8b 03 <1>Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#4]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 00000010 edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 16, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 61630053 32323232 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000246
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb

    Code: 00 00 52 8b 80 88 00 00 00 50 e8 0f 49 ff ff 5e 58 8b 03 <1>Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#5]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 00000011 edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 17, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 61630053 32323232 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000246
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb

    Code: 00 00 52 8b 80 88 00 00 00 50 e8 0f 49 ff ff 5e 58 8b 03 <1>Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#6]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 00000012 edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 18, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 61630053 32323232 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000246
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb

    Code: 00 00 52 8b 80 88 00 00 00 50 e8 0f 49 ff ff 5e 58 8b 03 <1>Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#7]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 00000013 edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 19, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 61630053 32323232 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000246
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb

    Code: 00 00 52 8b 80 88 00 00 00 50 e8 0f 49 ff ff 5e 58 8b 03 <1>Unable to handle kernel paging request at virtual address 249579f8
    printing eip:
    c012c19d
    *pde = 00000000
    Oops: 0000 [#8]
    CPU: 0
    EIP: 0060:[<c012c19d>] Not tainted VLI
    EFLAGS: 00010046
    EIP is at sys_setsid+0x7d/0xa0
    eax: c1557940 ebx: c1554000 ecx: c1557a4c edx: c1557990
    esi: 00000014 edi: bffffaa0 ebp: c1554000 esp: c1555fb8
    ds: 007b es: 007b ss: 0068
    Process init (pid: 20, threadinfo=c1554000 task=c1557940)
    Stack: bffffba0 bffffb20 c02a01d7 bffffba0 61630053 32323232 bffffb20 bffffaa0
    bffffcc8 00000042 0000007b 0000007b 00000042 400c8b17 00000073 00000246
    bffff9fc 0000007b
    Call Trace:
    [<c02a01d7>] syscall_call+0x7/0xb


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