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    SubjectRe: 2.6.30-rc8 does not boot
    From
    2009/6/8 Michael Tokarev <mjt@tls.msk.ru>:
    > Michael Tokarev wrote:
    >>
    >> Hello.
    >>
    >> I just gave 2.6.30-rc a try, taken from Linus git, tag v2.6.29-rc8.
    >> And this one does not want to boot on my test machine which is an
    >> AMD X2-64 with AMD780G chipset.  Neither 64 nor 32bit kernel boots.
    >> I even tried in kvm virtual machine, -- same effect.  It freezes right
    >> after displaying "Verifying BIOS data successful" message -- nothing
    >> more is on the screen.
    [...]
    > PANIC: early exception 0e rip: 10:ffffffff802c9abd error 0 cr2 0

    That seems to be a NULL dereference (0e = page fault, cr2 0 =
    dereferenced address).

    Try:
    $ addr2line -e vmlinux -i ffffffff802c9abd

    This should print the name of the function that crashed. If you enable
    CONFIG_DEBUG_INFO you can get the exact line number info too (but
    remember to replace the ffffffff802c9abd with the new value if you
    recompile and run it again).


    Vegard

    --
    "The animistic metaphor of the bug that maliciously sneaked in while
    the programmer was not looking is intellectually dishonest as it
    disguises that the error is the programmer's own creation."
    -- E. W. Dijkstra, EWD1036
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