Messages in this thread | | | Date | Tue, 24 Jun 2008 14:06:39 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH] softirq softlockup debugging |
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* 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
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