lkml.org 
[lkml]   [2008]   [Jun]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] softirq softlockup debugging

    * Vegard Nossum <vegard.nossum@gmail.com> wrote:

    > Hi,
    >
    > I'm debugging a problem with a softirq that gets stuck for a long
    > time, so I wrote this patch to help find out what's going wrong.
    >
    > I actually think it can be useful in general as well, see for example
    > http://www.kerneloops.org/search.php?search=__do_softirq&btnG=Function+Search
    >
    > ..and these cases are virtually impossible to debug since we don't
    > know anything about *what* it was that got stuck. (The NMI watchdog
    > could help, though.)
    >
    > The patch is #ifdef-ugly, I know... Suggestions are welcome.

    i've applied it to tip/core/softlockup to give it some testing. (It
    needed a manual merge due to changes pending in that topic already)

    Ingo


    \
     
     \ /
      Last update: 2008-06-24 14:09    [W:3.245 / U:0.000 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site