Re: RT and Signals

From: Daniel Walker
Date: Mon Apr 11 2005 - 13:39:53 EST


On Mon, 2005-04-11 at 11:03, john cooper wrote:
> Daniel Walker wrote:
> > I'm not sure if this has changed at all in recent RT patches, but I've
> > noticed several issues popping up that are related to the timer
> > interrupt sending signals...
>
> I've also seen BUG asserts kicking in on PPC (40-04-ish) in
> signal delivery [actual receipt] paths. These have only been
> under fairly heavy load conditions and presumably is hitting
> an infrequent path in force_sig_info() IIRC. Haven't had the
> time yet to resolve these but they are on the list.

Ingo's solution was to remove the signal delivery from the timer
interrupt altogether. Which I don't know if that's acceptable. It seems
like there is a never ending stream of bugs related to this..

Daniel

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