lkml.org 
[lkml]   [2008]   [Jan]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: Make the 32 bit Frame Pointer backtracer fall back to traditional

    * Harvey Harrison <harvey.harrison@gmail.com> wrote:

    > On Wed, 2008-01-09 at 22:05 -0800, Arjan van de Ven wrote:
    > > Subject: Make the 32 bit Frame Pointer backtracer fall back to traditional
    > > From: Arjan van de Ven <arjan@linux.intel.com>
    > >
    > > The 32 bit Frame Pointer backtracer code checks if the EBP is valid
    > > to do a backtrace; however currently on a failure it just gives up
    > > and prints nothing. That's not very nice; we can do better and still
    > > print a decent backtrace.
    > >
    > > This patch changes the backtracer to fall back to the non-framepointer
    > > backtracer if the EBP value isn't within the expected range; so on weird
    > > stack corruption cases we get at least something out...
    > >
    >
    > Arjan, I've been doing some work on traps_32.c porting over the
    > oops_begin()/oops_end()/_die() arrangement from traps_64.c and then
    > use it in unifying some more parts of fault.c.

    i've got that applied and it did not seem to interact with Arjan's code.

    > If you have other work in this area, I'll hold off until your stuff
    > goes in...feel free to send me any work in progress stuff and I can
    > try to coordinate with you.

    i'll yell if anything clashes.

    Ingo


    \
     
     \ /
      Last update: 2008-01-10 13:49    [W:0.041 / U:29.420 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site