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    Subjecttest10-pre5 mount: Unable to handle kernel paging request at virtual address
    On Mon, 23 Oct 2000, David Dyck wrote:

    > I am getting a repeatable oops during the boot up phase,
    > with linux 2.4.0 test10-pre4

    I'm seeing the same oops with test10-pre5.
    I don't get the error with 2.4.0-test9.

    > Even a simple "mount /proc" command yields an oops.
    > I believe I have the latest mount program.

    ksymoops 2.3.4 on i686 2.4.0-test9. Options used
    -v /home/dcd/v2.4/linux/vmlinux (specified)
    -K (specified)
    -L (specified)
    -O (specified)
    -m /home/dcd/v2.4/linux/System.map (specified)
    -S

    Unable to handle kernel paging request at virtual address 08067000
    c01f9140
    *pde = 07fca067
    Oops: 0000
    CPU: 0
    EIP: 0010:[<c01f9140>]
    Using defaults from ksymoops -t elf32-i386 -a i386
    EFLAGS: 00010206
    eax: 00000000 ebx: 00000000 ecx: 000000a0 edx: 08067280
    esi: 08067000 edi: c7ecad80 ebp: c7f41fbc esp: c7f41f64
    ds: 0018 es: 0018 ss: 0018
    Process mount (pid: 34, stackpage=c7f41000)
    Stack: c7f40000 08066280 00001000 c0134660 c7eca000 08066280 00001000 c7f40000
    08066270 08066260 080662b0 c7eca000 00000009 c0134a02 08066280 c7f41fbc
    c7f40000 c0ed0000 080662b0 bffffb84 c7f40000 00000000 00000000 c0109073
    Call Trace: [<c0134660>] [<c0134a02>] [<c0109073>]
    Code: f3 a5 89 c1 f3 a4 89 c8 5b 5e 5f c3 8d 74 26 00 57 56 8b 7c

    >>EIP; c01f9140 <__generic_copy_from_user+30/40> <=====
    Trace; c0134660 <copy_mount_options+80/100>
    Trace; c0134a02 <sys_mount+22/d0>
    Trace; c0109073 <system_call+33/38>
    Code; c01f9140 <__generic_copy_from_user+30/40> 00000000 <_EIP>:
    Code; c01f9140 <__generic_copy_from_user+30/40> 0: f3 a5 repz movsl %ds:(%esi),%es:(%edi) <=====
    Code; c01f9142 <__generic_copy_from_user+32/40> 2: 89 c1 mov %eax,%ecx
    Code; c01f9144 <__generic_copy_from_user+34/40> 4: f3 a4 repz movsb %ds:(%esi),%es:(%edi)
    Code; c01f9146 <__generic_copy_from_user+36/40> 6: 89 c8 mov %ecx,%eax
    Code; c01f9148 <__generic_copy_from_user+38/40> 8: 5b pop %ebx
    Code; c01f9149 <__generic_copy_from_user+39/40> 9: 5e pop %esi
    Code; c01f914a <__generic_copy_from_user+3a/40> a: 5f pop %edi
    Code; c01f914b <__generic_copy_from_user+3b/40> b: c3 ret
    Code; c01f914c <__generic_copy_from_user+3c/40> c: 8d 74 26 00 lea 0x0(%esi,1),%esi
    Code; c01f9150 <__strncpy_from_user+0/30> 10: 57 push %edi
    Code; c01f9151 <__strncpy_from_user+1/30> 11: 56 push %esi
    Code; c01f9152 <__strncpy_from_user+2/30> 12: 8b 7c 00 00 mov 0x0(%eax,%eax,1),%edi


    > Kernel modules 2.3.18
    > Gnu C 2.7.2.3
    > Gnu Make 3.77
    > Binutils 2.10
    > Linux C Library 5.4.44
    > Dynamic linker ldd: version 1.9.9
    > Linux C++ Library 27.2.1
    > Procps 1.01
    > Mount 2.10o
    > Net-tools 1.51
    > Kbd 0.89
    > Sh-utils 2.0


    CONFIG_X86=y
    CONFIG_ISA=y
    CONFIG_UID16=y
    CONFIG_EXPERIMENTAL=y
    CONFIG_MODULES=y
    CONFIG_KMOD=y
    CONFIG_M686=y
    CONFIG_X86_WP_WORKS_OK=y
    CONFIG_X86_INVLPG=y
    CONFIG_X86_CMPXCHG=y
    CONFIG_X86_BSWAP=y
    CONFIG_X86_POPAD_OK=y
    CONFIG_X86_L1_CACHE_SHIFT=5
    CONFIG_X86_TSC=y
    CONFIG_X86_GOOD_APIC=y
    CONFIG_X86_PGE=y
    CONFIG_X86_USE_PPRO_CHECKSUM=y
    CONFIG_NOHIGHMEM=y
    CONFIG_NET=y
    CONFIG_PCI=y
    CONFIG_PCI_GOANY=y
    CONFIG_PCI_BIOS=y
    CONFIG_PCI_DIRECT=y
    CONFIG_PCI_NAMES=y
    CONFIG_SYSVIPC=y
    CONFIG_SYSCTL=y
    CONFIG_KCORE_ELF=y
    CONFIG_BINFMT_AOUT=y
    CONFIG_BINFMT_ELF=y
    CONFIG_BINFMT_MISC=m
    CONFIG_PM=y
    CONFIG_PARPORT=m
    CONFIG_PARPORT_PC=m
    CONFIG_PNP=m
    CONFIG_ISAPNP=m
    CONFIG_BLK_DEV_FD=y
    CONFIG_BLK_DEV_LOOP=y
    CONFIG_BLK_DEV_RAM=m
    CONFIG_BLK_DEV_RAM_SIZE=4096
    CONFIG_PACKET=y
    CONFIG_UNIX=y
    CONFIG_INET=y
    CONFIG_PHONE=m
    CONFIG_IDE=y
    CONFIG_BLK_DEV_IDE=y
    CONFIG_BLK_DEV_IDEDISK=y
    CONFIG_BLK_DEV_IDECD=y
    CONFIG_BLK_DEV_CMD640=y
    CONFIG_BLK_DEV_CMD640_ENHANCED=y
    CONFIG_BLK_DEV_RZ1000=y
    CONFIG_BLK_DEV_IDEPCI=y
    CONFIG_IDEPCI_SHARE_IRQ=y
    CONFIG_BLK_DEV_IDEDMA_PCI=y
    CONFIG_BLK_DEV_IDEDMA=y
    CONFIG_BLK_DEV_IDE_MODES=y
    CONFIG_SCSI=m
    CONFIG_BLK_DEV_SD=m
    CONFIG_SD_EXTRA_DEVS=40
    CONFIG_SCSI_MULTI_LUN=y
    CONFIG_SCSI_CONSTANTS=y
    CONFIG_SCSI_LOGGING=y
    CONFIG_SCSI_PPA=m
    CONFIG_NETDEVICES=y
    CONFIG_DUMMY=m
    CONFIG_NET_ETHERNET=y
    CONFIG_NET_VENDOR_3COM=y
    CONFIG_EL3=y
    CONFIG_VORTEX=m
    CONFIG_VT=y
    CONFIG_VT_CONSOLE=y
    CONFIG_SERIAL=y
    CONFIG_SERIAL_NONSTANDARD=y
    CONFIG_CYCLADES=m
    CONFIG_UNIX98_PTYS=y
    CONFIG_UNIX98_PTY_COUNT=256
    CONFIG_MOUSE=y
    CONFIG_PSMOUSE=y
    CONFIG_NVRAM=m
    CONFIG_RTC=m
    CONFIG_VIDEO_DEV=m
    CONFIG_AUTOFS_FS=y
    CONFIG_FAT_FS=m
    CONFIG_MSDOS_FS=m
    CONFIG_VFAT_FS=m
    CONFIG_JFFS_FS_VERBOSE=0
    CONFIG_ISO9660_FS=m
    CONFIG_JOLIET=y
    CONFIG_MINIX_FS=m
    CONFIG_PROC_FS=y
    CONFIG_DEVPTS_FS=y
    CONFIG_EXT2_FS=y
    CONFIG_NFS_FS=y
    CONFIG_NFS_V3=y
    CONFIG_NFSD=y
    CONFIG_NFSD_V3=y
    CONFIG_SUNRPC=y
    CONFIG_LOCKD=y
    CONFIG_LOCKD_V4=y
    CONFIG_SMB_FS=m
    CONFIG_MSDOS_PARTITION=y
    CONFIG_NLS=y
    CONFIG_NLS_DEFAULT="iso8859-1"
    CONFIG_NLS_CODEPAGE_437=y
    CONFIG_NLS_ISO8859_1=y
    CONFIG_VGA_CONSOLE=y
    CONFIG_VIDEO_SELECT=y
    CONFIG_SOUND=m
    CONFIG_SOUND_OSS=m
    CONFIG_SOUND_CS4232=m
    CONFIG_SOUND_VMIDI=m
    CONFIG_SOUND_SB=m
    CONFIG_SOUND_YM3812=m
    CONFIG_SOUND_OPL3SA1=m
    CONFIG_SOUND_OPL3SA2=m
    CONFIG_MAGIC_SYSRQ=y

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