Date: Thu, 05 Nov 1998 00:30:26 -0800 From: Mike Smith <mike@smith.net.au> To: Etienne de Bruin <Etienne.Debruin@KryptoKom.DE> Cc: freebsd-hackers@FreeBSD.ORG (Hackers FreeBSD), questions@FreeBSD.ORG Subject: Re: interrupt handler discrepancy Message-ID: <199811050830.AAA00972@dingo.cdrom.com> In-Reply-To: Your message of "Wed, 04 Nov 1998 14:11:36 %2B0100." <199811041311.OAA04022@borg.kryptokom.de>
next in thread | previous in thread | raw e-mail | index | archive | help
> i install my interrupt handler using pci_map_int(). > > when using ioctl call to my pci device driver and issuing an interrupt, > the interupt handler gets > called - no problem. my crypt device driver gets called from user space > in this case. > > but when using my crypt card together with two network interfaces, when > i issue an interrupt, my _intr function does not get called for some > reason. my crypt device driver gets called from within the kernel in this > case. > > all i can think is that for some reasons the network cards do splxxx() > to such an extent that my interupt handler never gets a chance .. is this > possible? No. It's possible that your test is not seeing that your interrrupt is being called, but shared interrupts are known to work (albeit inefficiently). -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199811050830.AAA00972>