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Date: Thu, 28 Dec 2006 13:56:26 +0100 From: Jarek Poplawski <jarkao2@...pl> To: Ben Greear <greearb@...delatech.com> Cc: netdev@...r.kernel.org, David Miller <davem@...emloft.net> Subject: Re: [PATCH] igmp: spin_lock_bh in timer (Re: BUG: soft lockup detected on CPU#0!) On Wed, Dec 27, 2006 at 08:16:10AM -0800, Ben Greear wrote: ... > The system hangs and does not recover (well, a few processes > continue on the other processor for a few minutes before they > too deadlock...) > > I am guessing this problem has been around for a while, but it > is only triggered when interfaces are created, and probably only > when UDP traffic is already running heavily on the system. Most > systems w/out virtual devices will not trigger this sort of > race. Considering your contribution into kernel, many people here would like to help, I hope, but these informations are probably not enough. Maybe some more logs & dmesg? If it deadlocks anyway, maybe adding panic() after dump_stack() could tell something. Jarek P. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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