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    SubjectPROBLEM: kernel oopsing in ftp.es.debian.org.
    Date
    	Hello, dear kernel developers.

    I'm just desperated. ftp.es.debian.org is oopsing again and again with a lot
    of errors and I don't know what's happening.

    It seems that Apache is the process that's causing most of the oopsen, but it'll
    probably be due to the lot of HTTP requests the machine is serving. After that, all the
    processes you try begin to segfault or oops. Only the reset button works. :-(

    I've followed Doc/oops-tracing.txt and Reporting Linux Kernel bugs webpage for
    reporting to you a couple of oops.

    Following is a lot of info:

    =======
    root@ulises:~# ksymoops -m /boot/System.map-2.4.20-rc2
    ksymoops 2.4.6 on i686 2.4.20-rc2. Options used
    -V (default)
    -k /proc/ksyms (default)
    -l /proc/modules (default)
    -o /lib/modules/2.4.20-rc2/ (default)
    -m /boot/System.map-2.4.20-rc2 (default)

    No modules in ksyms, skipping objects
    Warning (read_lsmod): no symbols in lsmod, is /proc/modules a valid lsmod file?
    Reading Oops report from the terminal
    Nov 19 11:38:32 ulises kernel: <1>Unable to handle kernel paging request at virtual address 9567b14c
    Nov 19 11:38:32 ulises kernel: printing eip:
    Nov 19 11:38:32 ulises kernel: c012d183
    Nov 19 11:38:32 ulises kernel: Oops: 0000
    Nov 19 11:38:32 ulises kernel: CPU: 0
    Nov 19 11:38:32 ulises kernel: EIP: 0010:[__free_pages_ok+499/656] Not tainted
    Nov 19 11:38:32 ulises kernel: EFLAGS: 00010002
    Nov 19 11:38:32 ulises kernel: eax: 2e75ec4d ebx: 7b56368c ecx: db900000 edx: d4282660
    Nov 19 11:38:32 ulises kernel: esi: dffea0c0 edi: 00000246 ebp: 000001f0 esp: db97fe7c
    Nov 19 11:38:32 ulises kernel: ds: 0018 es: 0018 ss: 0018
    Nov 19 11:38:32 ulises kernel: Process apache (pid: 1071, stackpage=db97f000)
    Nov 19 11:38:32 ulises kernel: Stack: d4282660 dbb9b4c0 db97fed0 dffe4240 c01456bb dffea0c0 000001f0 d4282660
    Nov 19 11:38:32 ulises kernel: dbb9b4c0 db97fed0 00000007 c01f45c0 c01f45fb dffe4240 db97fee8 d4282660
    Nov 19 11:38:32 ulises kernel: dcd65960 db97ff14 bffffc2c 3137315b 005d3537 c01f4464 bffffc2c db97ff14
    Nov 19 11:38:32 ulises kernel: Call Trace: [clean_inode+187/192] [sys_shutdown+0/64] [sys_shutdown+59/64] [sys_recvfrom+212/272] [sock_getsockopt+453/800]
    Nov 19 11:38:32 ulises kernel: [sys_swapon+1563/1760] [sys_swapon+1594/1760] [notify_change+198/240] [getrusage+24/576] [sock_no_sendpage+3/176] [setup_irq+159/160]
    Nov 19 11:38:32 ulises kernel:
    Nov 19 11:38:32 ulises kernel: Code: 8b 44 81 18 89 41 14 83 f8 ff 75 23 8b 41 04 8b 11 89 42 04

    Nov 19 11:38:32 ulises kernel: <1>Unable to handle kernel paging request at virtual address 9567b14c
    Nov 19 11:38:32 ulises kernel: c012d183
    Nov 19 11:38:32 ulises kernel: Oops: 0000
    Nov 19 11:38:32 ulises kernel: CPU: 0
    Nov 19 11:38:32 ulises kernel: EIP: 0010:[__free_pages_ok+499/656] Not tainted
    Nov 19 11:38:32 ulises kernel: EFLAGS: 00010002
    Nov 19 11:38:32 ulises kernel: eax: 2e75ec4d ebx: 7b56368c ecx: db900000 edx: d4282660
    Nov 19 11:38:32 ulises kernel: esi: dffea0c0 edi: 00000246 ebp: 000001f0 esp: db97fe7c
    Nov 19 11:38:32 ulises kernel: ds: 0018 es: 0018 ss: 0018
    Nov 19 11:38:32 ulises kernel: Process apache (pid: 1071, stackpage=db97f000)
    Nov 19 11:38:32 ulises kernel: Stack: d4282660 dbb9b4c0 db97fed0 dffe4240 c01456bb dffea0c0 000001f0 d4282660
    Nov 19 11:38:32 ulises kernel: dbb9b4c0 db97fed0 00000007 c01f45c0 c01f45fb dffe4240 db97fee8 d4282660
    Nov 19 11:38:32 ulises kernel: dcd65960 db97ff14 bffffc2c 3137315b 005d3537 c01f4464 bffffc2c db97ff14
    Nov 19 11:38:32 ulises kernel: Call Trace: [clean_inode+187/192] [sys_shutdown+0/64] [sys_shutdown+59/64] [sys_recvfrom+212/272] [sock_getsockopt+453/800]
    Nov 19 11:38:32 ulises kernel: Code: 8b 44 81 18 89 41 14 83 f8 ff 75 23 8b 41 04 8b 11 89 42 04
    Using defaults from ksymoops -t elf32-i386 -a i386


    Code; 00000000 Before first symbol
    00000000 <_EIP>:
    Code; 00000000 Before first symbol
    0: 8b 44 81 18 mov 0x18(%ecx,%eax,4),%eax
    Code; 00000004 Before first symbol
    4: 89 41 14 mov %eax,0x14(%ecx)
    Code; 00000007 Before first symbol
    7: 83 f8 ff cmp $0xffffffff,%eax
    Code; 0000000a Before first symbol
    a: 75 23 jne 2f <_EIP+0x2f> 0000002f Before first symbol
    Code; 0000000c Before first symbol
    c: 8b 41 04 mov 0x4(%ecx),%eax
    Code; 0000000f Before first symbol
    f: 8b 11 mov (%ecx),%edx
    Code; 00000011 Before first symbol
    11: 89 42 04 mov %eax,0x4(%edx)

    =======
    Information from ver_linux:

    Linux ulises 2.4.20-rc2 #16 mar nov 19 10:34:01 CET 2002 i686 AMD Athlon(tm) Processor AuthenticAMD GNU/Linux

    Gnu C 2.95.4
    Gnu make 3.79.1
    util-linux 2.11n
    mount 2.11n
    modutils 2.4.19
    e2fsprogs 1.30-WIP
    fsck.jfs: not found
    reiserfsprogs 3.6.3
    cardmgr: not found
    pppd: not found
    isdnctrl: not found
    Linux C Library 2.2.5
    Dynamic linker (ldd) 2.2.5
    Procps 2.0.7
    Net-tools 1.60
    Console-tools 0.2.3
    Sh-utils 4.5.2
    Modules Loaded
    =======
    The machine is Debian sarge (testing), the kernel has no modules loaded, has
    1 CPU Athlon 1 GHz, 3 IDE disks (two 80 GB disks in a RAID 0 and a 13 GB one for system),
    chipset VIA KT133, and a vanilla 2.4.20-rc2 kernel.

    It was also segfaulting previously with 2.4.20-pre8.

    Output of lspci:

    root@ulises:~# lspci
    00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 03)
    00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP]
    00:04.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 22)
    00:04.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 10)
    00:04.2 USB Controller: VIA Technologies, Inc. USB (rev 10)
    00:04.3 USB Controller: VIA Technologies, Inc. USB (rev 10)
    00:04.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 30)
    00:0a.0 Ethernet controller: 3Com Corporation 3c905C-TX/TX-M [Tornado] (rev 78)
    00:0c.0 Multimedia audio controller: Ensoniq 5880 AudioPCI (rev 02)
    00:11.0 Unknown mass storage controller: Promise Technology, Inc. 20265 (rev 02)
    01:00.0 VGA compatible controller: S3 Inc. 86c368 [Trio 3D/2X] (rev 02)

    The machine has the following partitions:
    root@ulises:~# mount
    /dev/hda2 on / type ext3 (rw,errors=remount-ro)
    proc on /proc type proc (rw)
    devpts on /dev/pts type devpts (rw,gid=5,mode=620)
    /dev/hda1 on /boot type ext3 (rw)
    /dev/hda3 on /var type ext3 (rw)
    /dev/hda6 on /home type ext3 (rw)
    /dev/md0 on /mirror type reiserfs (rw)

    The machine will hang in a few hours from now. It's very possible that
    if I harass it with web queries the box will be down in a few minutes.

    Please don't hesitate to ask for further information.

    Thank you very much in advance,


    David.
    --
    Why is a cow? Mu. (Ommmmmmmmmm)
    --
    Servicios de red - Network services
    Centro de Comunicaciones CSIC/RedIRIS
    Spanish Academic Network for Research and Development
    Madrid (Spain)
    Tlf (+34) 91.585.49.05

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