From: Andres Freund <andres@anarazel.de>
To: Joao Correia <joaomiguelcorreia@gmail.com>
Cc: Jarek Poplawski <jarkao2@gmail.com>,
Arun R Bharadwaj <arun@linux.vnet.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Hemminger <shemminger@vyatta.com>,
netdev@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused by netem)
Date: Mon, 6 Jul 2009 19:26:43 +0200 [thread overview]
Message-ID: <200907061926.43625.andres@anarazel.de> (raw)
In-Reply-To: <a5d9929e0907061023g4306d80ewfc8907653b949005@mail.gmail.com>
On Monday 06 July 2009 19:23:18 Joao Correia wrote:
> Hello
>
> Since i already had the kernel compiled and ready to boot when i read
> this, i gave it a go anyway :-).
>
> I can reproduce the freeze with those 4 patches applied, so i can
> confirm that its, at least, related to, or exposed by, those patches.
> There must be something else too, or its just too much fuzziness, but
> the freeze takes a bit more time (approximately five minutes, give or
> take) compared to the instant freeze before, but its there with the
> patches, and without them, no freeze.
>
> I assume there isnt a "safe" way to get them out of current .31-rc's,
> right?
`echo 0 > /proc/sys/kernel/timer_migration` should mitigate the problem.
Andres
next prev parent reply other threads:[~2009-07-06 17:26 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-03 1:31 Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly caused by netem) Andres Freund
2009-07-03 6:12 ` Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused " Jarek Poplawski
2009-07-03 11:26 ` Andres Freund
2009-07-03 12:03 ` Jarek Poplawski
2009-07-03 12:30 ` Andres Freund
2009-07-03 20:22 ` David Miller
2009-07-03 22:56 ` Jarek Poplawski
2009-07-04 1:55 ` David Miller
2009-07-04 6:36 ` Jarek Poplawski
2009-07-04 15:18 ` Jarek Poplawski
2009-07-06 4:53 ` Joao Correia
2009-07-06 8:14 ` Jarek Poplawski
2009-07-06 11:28 ` Joao Correia
2009-07-06 14:19 ` Jarek Poplawski
2009-07-06 16:13 ` Andres Freund
2009-07-06 16:31 ` Jarek Poplawski
2009-07-06 17:23 ` Joao Correia
2009-07-06 17:26 ` Andres Freund [this message]
2009-07-07 6:50 ` Jarek Poplawski
2009-07-07 10:40 ` Joao Correia
2009-07-07 10:47 ` Andres Freund
[not found] ` <a5d9929e0907070403n698c9eb9p53a5bb07bafcc169@mail.gmail.com>
2009-07-07 11:05 ` Fwd: " Joao Correia
2009-07-07 13:18 ` Jarek Poplawski
2009-07-07 13:22 ` Andres Freund
2009-07-07 13:29 ` Jarek Poplawski
2009-07-07 13:34 ` Andres Freund
2009-07-07 13:57 ` Jarek Poplawski
2009-07-07 16:11 ` Andres Freund
2009-07-08 8:08 ` Jarek Poplawski
2009-07-08 8:29 ` Andres Freund
2009-07-08 9:13 ` Jarek Poplawski
2009-07-08 21:44 ` Joao Correia
2009-07-08 22:07 ` Jarek Poplawski
2009-07-08 22:27 ` Joao Correia
2009-07-08 22:42 ` Jarek Poplawski
2009-07-08 22:48 ` Joao Correia
2009-07-08 22:23 ` Andres Freund
2009-07-08 22:48 ` Jarek Poplawski
2009-07-09 10:31 ` Thomas Gleixner
2009-07-09 10:44 ` Jarek Poplawski
2009-07-09 12:03 ` Thomas Gleixner
2009-07-09 13:22 ` Jarek Poplawski
2009-07-09 14:15 ` Thomas Gleixner
2009-07-09 14:24 ` Jarek Poplawski
2009-07-09 14:25 ` Joao Correia
2009-07-09 14:28 ` Thomas Gleixner
2009-07-09 15:28 ` Andres Freund
2009-07-09 16:01 ` Thomas Gleixner
2009-07-09 16:46 ` Andres Freund
2009-07-09 17:44 ` Thomas Gleixner
2009-07-09 21:19 ` Joao Correia
2009-07-07 13:20 ` Jarek Poplawski
2009-07-06 17:24 ` Andres Freund
-- strict thread matches above, loose matches on Subject: below --
2009-06-30 23:20 Soft-Lockup/Race in networking in 2.6.31-rc1+195 (possibly caused " Andres Freund
2009-07-01 18:39 ` Jarek Poplawski
2009-07-01 21:22 ` Andres Freund
2009-07-02 0:37 ` Andres Freund
2009-07-02 9:30 ` Jarek Poplawski
2009-07-02 10:12 ` Jarek Poplawski
2009-07-02 10:51 ` Joao Correia
2009-07-02 11:09 ` Jarek Poplawski
2009-07-02 11:11 ` Andres Freund
2009-07-02 11:43 ` Jarek Poplawski
2009-07-02 11:43 ` Andres Freund
2009-07-02 11:54 ` Jarek Poplawski
2009-07-02 11:59 ` Andres Freund
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=200907061926.43625.andres@anarazel.de \
--to=andres@anarazel.de \
--cc=arun@linux.vnet.ibm.com \
--cc=jarkao2@gmail.com \
--cc=joaomiguelcorreia@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=shemminger@vyatta.com \
--cc=tglx@linutronix.de \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).