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    Subjectproblems w/2.2: dquota oops (?), diald, "Unexpected interrupt 0"

    Hi,

    I made some tests overnight replacing 2.0.36 with 2.2.1 on our LAN
    server and encountered the following problems:
    (distribution is SuSE 6.0, gcc 2.7.2.3, used .config at
    http://www.lrz.de/~huettel/config.txt )

    1) in <5min uptime, 2 kernel oopses, problems seem to be in quota
    code:

    Unable to handle kernel NULL pointer dereference at virtual address
    00000030
    current->tss.cr3 = 01fb4000, %cr3 = 01fb4000
    *pde = 00000000
    Oops: 0000
    CPU: 0
    EIP: 0010:[write_dquot+18/216]
    EFLAGS: 00010286
    eax: c3cd0004 ebx: c2661bc0 ecx: 00000000 edx: 00000001
    esi: c2661b60 edi: 0804ffff ebp: bfff0000 esp: c2035f6c
    ds: 0018 es: 0018 ss: 0018
    Process sync (pid: 928, process nr: 71, stackpage=c2035000)
    Stack: 0804ffff bfff0000 c3caebc0 c3cd7e6c c0137456 c2661bc0 00000000
    00000001
    08048650 bffff568 c0127ebe 00000000 ffffffff 00000000 00000000
    00000000
    00000000 c2034000 c0127eef 00000000 c2034000 c0108c00 bffff584
    0804aae8
    Call Trace: [sync_dquots+82/116] [fsync_dev+34/48] [sys_sync+35/56]
    [system_call+52/56]
    Code: 8b 74 91 2c f6 43 2c 01 74 09 53 e8 02 ff ff ff 83 c4 04 80


    Unable to handle kernel NULL pointer dereference at virtual address
    00000030
    current->tss.cr3 = 01fb4000, %cr3 = 01fb4000
    *pde = 00000000
    Oops: 0000
    CPU: 0
    EIP: 0010:[write_dquot+18/216]
    EFLAGS: 00010286
    eax: c09a0004 ebx: c2661bc0 ecx: 00000000 edx: 00000001
    esi: c2661b60 edi: 0804ffff ebp: bfff0000 esp: c2035f6c
    ds: 0018 es: 0018 ss: 0018
    Process sync (pid: 930, process nr: 71, stackpage=c2035000)
    Stack: 0804ffff bfff0000 c3cd56c0 c09aa8e0 c0137456 c2661bc0 00000000
    00000001
    08048650 bffff568 c0127ebe 00000000 ffffffff 00000000 00000000
    00000000
    00000000 c2034000 c0127eef 00000000 c2034000 c0108c00 bffff584
    0804aae8
    Call Trace: [sync_dquots+82/116] [fsync_dev+34/48] [sys_sync+35/56]
    [system_call+52/56]
    Code: 8b 74 91 2c f6 43 2c 01 74 09 53 e8 02 ff ff ff 83 c4 04 80



    2)
    during the first test the machine hung completely within minutes,
    last thing I saw in the syslog was

    Feb 4 00:29:51 ntserver kernel: Unexpected interrupt 0



    3)
    Oh yes, the command "sync" segfaulted (!) ...



    4)
    the program diald I am using for dynamically accessing the internet
    produces a warning

    Feb 4 00:27:56 ntserver kernel: diald uses obsolete
    (PF_INET,SOCK_PACKET)

    (is this something I should take seriously?)



    5)
    and I could not compile ksmoops (I guess this is rather a
    distribution-related problem):

    (...)
    gcc -Dlinux -Wall -Wno-conversion -Waggregate-return
    -Wstrict-prototypes -Wmissing-prototypes
    -DDEF_OBJECTS=\"/lib/modules/*r/\" -DDEF_KSYMS=\"/proc/ksyms\"
    -DDEF_LSMOD=\"/proc/modules\" -DDEF_MAP=\"/usr/src/linux/System.map\"
    -DDEF_CODE_BYTES=1 -c oops.c -o oops.o
    In file included from oops.c:38:
    /usr/include/bfd.h:52: ansidecl.h: No such file or directory
    make: *** [oops.o] Error 1



    I hope this helps removing some bugs... other question is, does
    anybody know how 2.2-proof SuSE 6.0 really is? (they claim to be...)


    Regards,
    Andreas


    ---------------------------------------------------------------------
    Andreas K. Huettel Andreas.Huettel@Extern.LRZ-Muenchen.DE
    81627 Muenchen Andreas.Huettel@Physik.Uni-Muenchen.DE
    Germany http://www.lrz.de/~huettel/
    ---------------------------------------------------------------------



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