From: Benjamin Thery <benjamin.thery@bull.net>
To: David Miller <davem@davemloft.net>
Cc: jarkao2@gmail.com, netdev@vger.kernel.org, dlezcano@fr.ibm.com,
dada1@cosmobay.com
Subject: Re: [PATCH] net: deadlock during net device unregistration
Date: Tue, 30 Sep 2008 16:07:43 +0200 [thread overview]
Message-ID: <48E232AF.7060501@bull.net> (raw)
In-Reply-To: <20080930.065852.116510157.davem@davemloft.net>
David Miller wrote:
> From: Benjamin Thery <benjamin.thery@bull.net>
> Date: Tue, 30 Sep 2008 13:52:31 +0200
>
>> BTW, in the past (last year) dst_gc_task() was run as a timer
>> handler and this situation (deadlock with linkwatch_event())
>> couldn't occur.
>
> September 12th to be exact :-) That's when Eric Dumazet's
> change went in:
>
> commit 86bba269d08f0c545ae76c90b56727f65d62d57f
> Author: Eric Dumazet <dada1@cosmosbay.com>
> Date: Wed Sep 12 14:29:01 2007 +0200
>
> [PATCH] NET : convert IP route cache garbage collection from softirq processing to a workqueue
>
>
> But this change went into 2.6.24, so I wonder why it's taken
> so long to hit this.
Maybe because we manage to reproduce it only with network namespaces so
far and there isn't much netns users at the moment (and netns is still
incomplete in mainline).
Benjamin
>
>
--
B e n j a m i n T h e r y - BULL/DT/Open Software R&D
http://www.bull.com
next prev parent reply other threads:[~2008-09-30 14:08 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080929175412.866679567@theryb.frec.bull.fr>
2008-09-29 17:54 ` [PATCH] net: deadlock during net device unregistration Benjamin Thery
2008-09-30 6:32 ` Jarek Poplawski
2008-09-30 11:52 ` Benjamin Thery
2008-09-30 13:58 ` David Miller
2008-09-30 14:07 ` Benjamin Thery [this message]
2008-09-30 14:42 ` Jarek Poplawski
2008-09-30 14:57 ` Jarek Poplawski
2008-09-30 15:18 ` Benjamin Thery
2008-10-01 9:59 ` David Miller
2008-10-01 10:10 ` Daniel Lezcano
2008-10-01 10:12 ` David Miller
2008-10-01 14:14 ` [PATCH] net: deadlock during net device unregistration - V2 Benjamin Thery
2008-10-01 19:48 ` Jarek Poplawski
2008-10-01 21:06 ` Daniel Lezcano
2008-10-01 21:52 ` Jarek Poplawski
2008-10-01 23:31 ` Jarek Poplawski
2008-10-02 15:23 ` Benjamin Thery
2008-10-02 18:38 ` Jarek Poplawski
2008-10-02 19:55 ` Benjamin Thery
2008-10-02 20:34 ` Jarek Poplawski
2008-10-04 7:42 ` Jarek Poplawski
2008-10-04 7:52 ` Jarek Poplawski
2008-10-03 0:41 ` [PATCH] net: deadlock during net device unregistration Eric W. Biederman
2008-10-05 4:26 ` Herbert Xu
2008-10-05 6:55 ` Jarek Poplawski
2008-10-05 6:56 ` Herbert Xu
2008-10-05 7:12 ` Jarek Poplawski
2008-10-05 7:28 ` Stephen Hemminger
2008-10-05 7:38 ` Herbert Xu
2008-10-05 7:39 ` Herbert Xu
2008-10-06 15:19 ` Benjamin Thery
2008-10-07 22:46 ` David Miller
2008-10-07 22:50 ` David Miller
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=48E232AF.7060501@bull.net \
--to=benjamin.thery@bull.net \
--cc=dada1@cosmobay.com \
--cc=davem@davemloft.net \
--cc=dlezcano@fr.ibm.com \
--cc=jarkao2@gmail.com \
--cc=netdev@vger.kernel.org \
/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).