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    SubjectRe: Race condition in module load causing undefined symbols
    Steve Lord wrote:
    > Andrew Morton wrote:
    >> Stephen Lord <> wrote:
    >>> Pozsár Balázs wrote:
    >>> > On Sat, Jun 11, 2005 at 08:23:20AM -0500, Steve Lord wrote:
    >>> > >>I think this is not actually module loading itself, but a problem
    >>> >>between the fork/exec/wait code in nash and the kernel.
    >>> > > > I do not use nash, only bash, so this is not a nash-specific
    >>> issue.
    >>> > >
    >>> I disabled hyperthreading and things started working, so are there any
    >>> HT related scheduling bugs right now?
    >> There haven't been any scheduler changes for some time. There have
    >> been a
    >> few low-level SMT changes I think.
    >> Are you able to identify which kernel version broke it?
    > Still have not narrowed this down too far, disabling SMT made no
    > difference, disabling SMP did, which I was expecting.
    > Steve

    I initially saw this with 2.6.12-rc1 and every version up through rc3. I
    haven't tried with later versions. :-/ I initially reported here:

    The way that I got around it was to compile in my aic7xxx driver instead
    of making it a module. I have also recently received an email from
    someone saying that disabling module unloading would also solve it. That
    very well may be true since I did run into another booting problem
    (2.6.12-rc5) that disabling module unloading fixed :-/ I haven't had a
    chance to go back and check this out though.

    So to summarize: I have a dual 933 with aic7xxx compiled in to get
    passed the problem described above. I have a dual 2.6 w/HT that I have
    disabled module unloading to get passed another boot condition.


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