netdev - Re: Strange Panic (Deadlock)

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Message-ID: <4773785F.4090405@bigtelecom.ru>
Date:	Thu, 27 Dec 2007 13:03:11 +0300
From:	Badalian Vyacheslav <slavon@...telecom.ru>
To:	Jarek Poplawski <jarkao2@...il.com>, netdev@...r.kernel.org
Subject: Re: Strange Panic (Deadlock)

Jarek Poplawski пишет:
> On 26-12-2007 19:58, Jarek Poplawski wrote:
>   
>> ...
>>     
>
> And here is one more: this place needs more advanced debugging, but
> let's check something simple at the beginning... (and just like before
> - could be tested with or without these earlier patches).
>
> Jarek P.
>  
> [PATCH 4/3] (for testing only)
> ---
>
> diff -Nurp linux-2.6.23-/kernel/timer.c linux-2.6.23+/kernel/timer.c
> --- linux-2.6.23-/kernel/timer.c	2007-10-09 22:31:38.000000000 +0200
> +++ linux-2.6.23+/kernel/timer.c	2007-12-27 08:07:20.000000000 +0100
> @@ -603,7 +603,10 @@ static int cascade(tvec_base_t *base, tv
>  	 * don't have to detach them individually.
>  	 */
>  	list_for_each_entry_safe(timer, tmp, &tv_list, entry) {
> -		BUG_ON(tbase_get_base(timer->base) != base);
> +		if (tbase_get_base(timer->base) != base) {
> +			print_ip_sym((long)timer->function);
> +			BUG_ON(1);
> +		}
>  		internal_add_timer(base, timer);
>  	}
>  
>
>   
Hello
I add bugreport
http://bugzilla.kernel.org/show_bug.cgi?id=9632
/Oleg Nesterov <mailto:oleg@...sign.ru> give me patch to debug
bugplace... its look stable and i try it in few days...
Slavon
/
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