Re: RT and Signals

From: Daniel Walker (dwalker_at_mvista.com)
Date: 04/11/05

  • Next message: Mingming Cao: "Re: ext3 allocate-with-reservation latencies" 
    To: john cooper <john.cooper@timesys.com>
Date:	11 Apr 2005 11:37:36 -0700

    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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  • Next message: Mingming Cao: "Re: ext3 allocate-with-reservation latencies"

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