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    SubjectABit KT7A-RAIN random lock ups
    Hello listers,

    as of yesterday I started to get random hard lockups. It was strange
    because just before that I've never had one ... MB worked just fine
    for now about two months. Until yesterday ...

    I tried to boot 2.4.3-ac14, 2.4.4, 2.4.4-ac4 ... the same. Btw. I have
    ACPI enabled, so sometimes I see lots of defunc processes
    kacpidpc defunct ... and that number keeps growing. Ok, I see that new
    kernel might misbehave but for example 2.4.3-ac14 used to work as charm
    and there I see the same ... tons of defunc processes ... until fork:
    resource temporary unavailable error ...

    So that's not the kernel (my guess.). Last night I booted up win 98 to
    play unreal tournament. Then booted back to linux ... and there we go
    I hit strange pile of the problems and I don't know how to deal with them.

    Tinkered for a while. Disable acpi or so ... trying to recompile kernels
    - random lock ups. Sometimes it works fine for longer time sometimes it
    hangs much faster ... most of time I saw kacpidpc defuncs ...

    Yet later 5am. in the morning I gave up. ... But then I realized that win 98
    did something ... lets try clean up BIOS'es (with jumper). Now it works just
    fine again as it used to ...

    Now I don't have a clue as to what was wrong ?

    Win98 reprograms hardware ? and linux can't handle it in this "win98" state ?
    Looks like it :(

    No Ooops. Just plain hard lock up. No cpu not overclocked. Latest BIOS version.

    My hardware :
    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]
    00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 40)

    00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06)
    00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 16)
    00:07.3 USB Controller: VIA Technologies, Inc. UHCI USB (rev 16)
    00:07.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40)
    00:08.0 Ethernet controller: Bridgecom, Inc: Unknown device 0985 (rev 11)
    00:0f.0 Multimedia audio controller: Creative Labs SB Live! EMU10000 (rev 07)
    00:0f.1 Input device controller: Creative Labs SB Live! (rev 07)
    01:00.0 VGA compatible controller: ATI Technologies Inc: Unknown device 5144

    swoop@tweakster:~$ cat /proc/ide/via
    ----------VIA BusMastering IDE Configuration----------------
    Driver Version: 3.23
    South Bridge: VIA vt82c686b
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ????
    Revision: ISA 0x40 IDE 0x6
    Highest DMA rate: UDMA100
    BM-DMA base: 0xd000
    PCI clock: 33MHz
    Master Read Cycle IRDY: 0ws
    Master Write Cycle IRDY: 0ws
    BM IDE Status Register Read Retry: yes
    Max DRDY Pulse Width: No limit

    swoop@tweakster:~$ cat /proc/cpuinfo
    processor : 0
    vendor_id : AuthenticAMD
    cpu family : 6
    model : 4
    model name : AMD Athlon(tm) Processor
    stepping : 2
    cpu MHz : 850.047
    cache size : 256 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 1
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
    bogomips : 1697.38

    Any ideas ?
    Zilvinas Valinskas
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