Date: Wed, 13 Feb 2002 12:47:55 -0800 From: Michael Smith <msmith@freebsd.org> To: Andy Sporner <sporner@nentec.de> Cc: freebsd-hackers@freebsd.org Subject: Re: Porting a device driver from NetBSD to FreeBSD Message-ID: <200202132047.g1DKluc00423@mass.dis.org> In-Reply-To: Your message of "Wed, 13 Feb 2002 15:39:26 %2B0100." <XFMail.020213153926.sporner@nentec.de>
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> Hello Everyone, > > I have been trying to port a driver I had written on NetBSD to FreeBSD. > On NetBSD the driver functions without incident, On FreeBSD, after a time > the whole system locks up. Sounds like resource starvation of some sort. > I hope somebody can give me a hint of where I should look. It seems that > the PCI performance on FreeBSD is much faster in talking to this particular > devic. Start by checking whether you're leaking memory or mbufs; netstat -m and vmstat -m while you're running some network activity. It's also concievable that you're just doing Something Wrong and lockup up yourself. Can you break to the debugger when the machine is hung? (alt-ctl-esc). -- To announce that there must be no criticism of the president or that we are to stand by the president right or wrong is not only unpatriotic and servile, but is morally treasonable to the American public. - Theodore Roosevelt To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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