Re: 2.2.16 deadlocking in schedule()

From: Pavel Machek (pavel@suse.cz)
Date: Fri Sep 01 2000 - 16:13:27 EDT

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    Hi!

    > > > I think I have found something. I've currently got 4 processes deadlocked
    > > > on DAC960_WaitForCommand.
    > > >
    > > > This machine is a VA Linux VAR Server 3000.
    > >
    > > If they stay deadlocked there then let Leonard Zubkoff know. He's both the
    > > DAC960 guru and happens to work for VA so will know the box too 8)
    >
    > With Leonard's help, I have determined that it is a defective card. After
    > some amount of time, it ceases to generate interrupts. Now to contact
    > support...

    Hmm, then hook it on timer interrupt ;-). Seriously, if it only misses
    few interrupts, then generate interrupt for it once a second; that
    should pick up any interrupts missed.
                                                                    Pavel 

    -- 
I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care."
Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org
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