From: Arjan van de Ven <arjanv@redhat.com>
To: Grzegorz Jaskiewicz <gj@pointblue.com.pl>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [BUG] vmalloc, kmalloc - 2.4.x
Date: 03 Feb 2003 16:22:38 +0100 [thread overview]
Message-ID: <1044285758.2527.8.camel@laptop.fenrus.com> (raw)
In-Reply-To: <1044285222.2396.14.camel@gregs>
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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).
forgot to tell you that
ttimer.expires = jiffies+(HZ/150.0);
you CANNOT use floating point in kernel mode! And that for HZ=100 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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next prev parent reply other threads:[~2003-02-03 15:13 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-03 15:13 [BUG] vmalloc, kmalloc - 2.4.x Grzegorz Jaskiewicz
2003-02-03 15:19 ` Oliver Neukum
2003-02-03 15:19 ` Arjan van de Ven
2003-02-03 15:35 ` Grzegorz Jaskiewicz
2003-02-03 15:35 ` Arjan van de Ven
2003-02-03 22:52 ` David Woodhouse
2003-02-03 15:22 ` Arjan van de Ven [this message]
2003-02-03 15:42 ` Grzegorz Jaskiewicz
2003-02-03 15:52 ` Russell King
2003-02-03 15:58 ` Arnaldo Carvalho de Melo
2003-02-03 16:07 ` Grzegorz Jaskiewicz
2003-02-03 15:39 ` Richard B. Johnson
[not found] <1044284924.2402.12.camel@gregs>
[not found] ` <1044289102.21009.1.camel@irongate.swansea.linux.org.uk>
2003-02-03 15:40 ` Grzegorz Jaskiewicz
2003-02-03 15:40 ` Grzegorz Jaskiewicz
2003-02-03 17:02 ` Benjamin Herrenschmidt
2003-02-03 17:18 ` Alan Cox
2003-02-03 22:54 ` David Woodhouse
2003-02-04 9:35 ` Arjan van de Ven
2003-02-04 12:33 ` Dave Jones
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