lkml.org 
[lkml]   [2006]   [Sep]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: BUG-lockdep and freeze (was: Arrr! Linux 2.6.18)

    * Linus Torvalds <torvalds@osdl.org> wrote:

    > It could - and _should_ dammit! - do some basic sanity tests like "is
    > the thing even in the same stack page"? But nooo... It seems
    > _designed_ to be fragile and broken.
    >
    > Here's a simple test: if the next stack-slot isn't on the same page,
    > the unwind information is bogus unless you had the IRQ stack-switch
    > signature there. Does the code do that? No. It just assumes that
    > unwind information is complete and perfect.

    fully agreed - i have pointed out areas of conceptual fragility to Jan
    early on:

    http://lkml.org/lkml/2006/6/2/59

    (but AFAICS i got no reply to that mail - i missed that in the lockdep
    flurry.)

    Ingo
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-09-30 23:37    [W:0.021 / U:0.324 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site