From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Tue, 23 Sep 2003 17:56:33 +0000 Subject: Re: NS83820 2.6.0-test5 driver seems unstable on IA64 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, 23 Sep 2003 10:27:35 -0700, "David S. Miller" said: DaveM> On Tue, 23 Sep 2003 07:59:11 -0700 DaveM> David Mosberger wrote: >> The printk() is rate-controlled and doesn't happen for every unaligned >> access. It's average cost can be made as low as we want to, by adjusting >> the rate. DaveM> But if the event is normal, you shouldn't be logging it as if DaveM> it weren't. An event that causes a slow-down of 500 times or so is not "normal". On Alpha, we did have just a counter. Guess what, nobody ever noticed when things ran much slower than they should have. DaveM> Anyone who tries to use IP over appletalk or certain protocols DaveM> over PPP are going to see your silly messages. DaveM> As I understand it, you even do this stupid printk for user apps DaveM> as well, that makes it more than rediculious. I'd be surprised DaveM> if anyone can find any useful kernel messages on an ia64 system DaveM> in the dmesg output with all the unaligned access crap there. Ever heard of prctl --unalign=silent? I don't normaly do that and I still get very few unaligned warning messages. --david