lkml.org 
[lkml]   [2003]   [Sep]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: NS83820 2.6.0-test5 driver seems unstable on IA64
>>>>> On Tue, 23 Sep 2003 10:27:35 -0700, "David S. Miller" <davem@redhat.com> said:

DaveM> On Tue, 23 Sep 2003 07:59:11 -0700
DaveM> David Mosberger <davidm@napali.hpl.hp.com> 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:48    [W:0.100 / U:1.316 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site