linux-kernel - Re: Oops when trying to create more than 16000 timers

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Message-ID: <84144f020812150845g10a1ce26ke2844ab495d2591b@mail.gmail.com>
Date:	Mon, 15 Dec 2008 18:45:44 +0200
From:	"Pekka Enberg" <penberg@...helsinki.fi>
To:	"Ottavio Campana" <ottavio.campana@....unipd.it>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Oops when trying to create more than 16000 timers

Hi Ottavio,

On Mon, Dec 15, 2008 at 6:04 PM, Ottavio Campana
<ottavio.campana@....unipd.it> wrote:
> I am currently developing a software that needs approx 60k timers. I
> currently use timer_create and all the relative functions to manage timers.
>
> I've noticed that after having created 16039 timers I always get an oops
> from the kernel, which are always of the same kind:
>
> Dec 15 15:20:00 evolution kernel: [601680.417064] BUG: unable to handle
> kernel NULL pointer dereference at 0000000000000040 .

This would be a kernel bug so can you please post the full oops. See
REPORTING-BUGS and Documentation/oops-tracing.txt for details.
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