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Subject: Re: [BUG] vmalloc, kmalloc - 2.4.x
From: Arjan van de Ven <arjanv@redhat.com>
Reply-To: arjanv@redhat.com
To: Grzegorz Jaskiewicz <gj@pointblue.com.pl>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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On Mon, 2003-02-03 at 16:13, Grzegorz Jaskiewicz wrote:
> few days ago i started to port driver for our hardware in company from
> windows to linux. It is simple ISA card, which gives me interrupt each
> 8ms. So i can check it state and latch some sort of watchdog on it -
> saying that i am still running (just for security, if system hangs card
> is blocking all inputs/outputs).=20

forgot to tell you that

    ttimer.expires =3D jiffies+(HZ/150.0);


you CANNOT use floating point in kernel mode! And that for HZ=3D100 this
gives you a timer that expires immediatly.


and that
        printk("<1>%d\n", TimerIntrpt);
you shouldn't use <1> in printk strings ever.


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