From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Tue, 17 Dec 2002 23:55:29 +0000 Subject: Re: [Linux-ia64] Strange ACPI interruptions in 2.5.45 kernel Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org >>>>> On Tue, 17 Dec 2002 16:21:46 +0100 (NFT), Joel GUILLET said: Joel> I'm working on a Lion machine (with 2 processors Itanium I) Joel> running a 2.5.45 kernel, and I've got thousands of Joel> interruptions routed throw ACPI. Joel> I use PS/2 mouse and keyboard. I've seen there were lots of Joel> problems with PS/2 on 2.5-ia64 kernels but I didn't see anyone Joel> who had this one. Joel> When I say "lots" of interruptions, I mean about 80 times more Joel> than the timer ticks !!!! So, one of my processor spend almost Joel> all his time dealing with ACPI interruptions . Joel> Just to have a look, I've tried to disable ACPI interruptions Joel> after the boot. ...and now, the interruptions are reported via Joel> one of the serial irq (according to the /proc/interrupts).. if Joel> it can help. Joel> I had no problems with this interruptions in the 2.5.44 kernel Joel> or previous versions. I searched the code to see what had Joel> changed between the 2 kernels, but I couldn't find any Joel> interesting explanation. BUT I already had problems since the Joel> 2.5 kernels(like a lot of people) with my mouse or/and my Joel> keyboard (with i8042). Joel> So if you have any idea...? That doesn't ring a bell. I suppose you could try 2.5.50. I don't use the Lion's for kernel development very often myself anymore because they're diffiult and slow to remote-reboot. Perhaps someone else can help. --david