From: Dave Jones <davej@redhat.com>
To: Petr Tesarik <ptesarik@suse.cz>
Cc: Tony Luck <tony.luck@intel.com>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Serious problem with ticket spinlocks on ia64
Date: Fri, 10 Sep 2010 02:55:24 +0000 [thread overview]
Message-ID: <20100910025523.GC31280@redhat.com> (raw)
In-Reply-To: <201009031635.25093.ptesarik@suse.cz>
On Fri, Sep 03, 2010 at 04:35:23PM +0200, Petr Tesarik wrote:
> I didn't see values around zero on any other CPU in the system. So, either
> there is something seriously broken in hardware, or I made a silly mistake in
> the monitoring code.
...
> memset(dbr, sizeof dbr, 0);
^^^^^^^^^^^^^
swapped arguments. Perhaps unrelated to the problem, but still silly :)
Dave
WARNING: multiple messages have this Message-ID (diff)
From: Dave Jones <davej@redhat.com>
To: Petr Tesarik <ptesarik@suse.cz>
Cc: Tony Luck <tony.luck@intel.com>,
"linux-ia64@vger.kernel.org" <linux-ia64@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: Serious problem with ticket spinlocks on ia64
Date: Thu, 9 Sep 2010 22:55:24 -0400 [thread overview]
Message-ID: <20100910025523.GC31280@redhat.com> (raw)
In-Reply-To: <201009031635.25093.ptesarik@suse.cz>
On Fri, Sep 03, 2010 at 04:35:23PM +0200, Petr Tesarik wrote:
> I didn't see values around zero on any other CPU in the system. So, either
> there is something seriously broken in hardware, or I made a silly mistake in
> the monitoring code.
...
> memset(dbr, sizeof dbr, 0);
^^^^^^^^^^^^^
swapped arguments. Perhaps unrelated to the problem, but still silly :)
Dave
next prev parent reply other threads:[~2010-09-10 2:55 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-27 13:37 Serious problem with ticket spinlocks on ia64 Petr Tesarik
2010-08-27 13:37 ` Petr Tesarik
2010-08-27 13:48 ` Hedi Berriche
2010-08-27 13:48 ` Hedi Berriche
2010-08-27 14:09 ` Petr Tesarik
2010-08-27 14:09 ` Petr Tesarik
2010-08-27 14:31 ` Hedi Berriche
2010-08-27 14:31 ` Hedi Berriche
2010-08-27 14:40 ` Petr Tesarik
2010-08-27 14:40 ` Petr Tesarik
2010-08-27 14:52 ` Hedi Berriche
2010-08-27 14:52 ` Hedi Berriche
2010-08-27 16:37 ` Petr Tesarik
2010-08-27 16:37 ` Petr Tesarik
2010-08-27 16:08 ` Luck, Tony
2010-08-27 16:08 ` Luck, Tony
2010-08-27 17:16 ` Petr Tesarik
2010-08-27 17:16 ` Petr Tesarik
2010-08-27 18:20 ` Hedi Berriche
2010-08-27 18:20 ` Hedi Berriche
2010-08-27 19:40 ` Petr Tesarik
2010-08-27 19:40 ` Petr Tesarik
2010-08-27 20:29 ` Luck, Tony
2010-08-27 20:29 ` Luck, Tony
2010-08-27 20:41 ` Petr Tesarik
2010-08-27 20:41 ` Petr Tesarik
2010-08-27 21:03 ` Petr Tesarik
2010-08-27 21:03 ` Petr Tesarik
2010-08-27 21:11 ` Luck, Tony
2010-08-27 21:11 ` Luck, Tony
2010-08-27 22:13 ` Petr Tesarik
2010-08-27 22:13 ` Petr Tesarik
2010-08-27 23:26 ` Luck, Tony
2010-08-27 23:26 ` Luck, Tony
2010-08-27 23:55 ` Luck, Tony
2010-08-27 23:55 ` Luck, Tony
2010-08-28 0:28 ` Hedi Berriche
2010-08-28 0:28 ` Hedi Berriche
2010-08-28 5:01 ` Luck, Tony
2010-08-28 5:01 ` Luck, Tony
2010-08-30 18:17 ` Luck, Tony
2010-08-30 18:17 ` Luck, Tony
2010-08-30 21:41 ` Petr Tesarik
2010-08-30 21:41 ` Petr Tesarik
2010-08-30 22:43 ` Tony Luck
2010-08-30 22:43 ` Tony Luck
2010-08-31 22:17 ` Tony Luck
2010-08-31 22:17 ` Tony Luck
2010-09-01 23:09 ` Tony Luck
2010-09-01 23:09 ` Tony Luck
2010-09-02 0:26 ` Hedi Berriche
2010-09-02 0:26 ` Hedi Berriche
2010-09-03 0:06 ` Tony Luck
2010-09-03 0:06 ` Tony Luck
2010-09-03 9:04 ` Petr Tesarik
2010-09-03 9:04 ` Petr Tesarik
2010-09-03 14:35 ` Petr Tesarik
2010-09-03 14:35 ` Petr Tesarik
2010-09-03 14:52 ` Petr Tesarik
2010-09-03 14:52 ` Petr Tesarik
2010-09-03 15:50 ` Tony Luck
2010-09-03 15:50 ` Tony Luck
2010-09-06 14:47 ` Petr Tesarik
2010-09-06 14:47 ` Petr Tesarik
2010-09-07 13:17 ` Petr Tesarik
2010-09-07 13:17 ` Petr Tesarik
2010-09-07 17:35 ` Tony Luck
2010-09-07 17:35 ` Tony Luck
2010-09-08 15:55 ` Tony Luck
2010-09-08 15:55 ` Tony Luck
2010-09-10 2:55 ` Dave Jones [this message]
2010-09-10 2:55 ` Dave Jones
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20100910025523.GC31280@redhat.com \
--to=davej@redhat.com \
--cc=linux-ia64@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=ptesarik@suse.cz \
--cc=tony.luck@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.