netdev.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Steven Rostedt <rostedt@goodmis.org>
To: Simon Kirby <sim@hostway.ca>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	David Miller <davem@davemloft.net>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Dave Jones <davej@redhat.com>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Ingo Molnar <mingo@elte.hu>,
	Network Development <netdev@vger.kernel.org>
Subject: Re: Linux 3.1-rc9
Date: Wed, 02 Nov 2011 20:15:51 -0400	[thread overview]
Message-ID: <1320279351.4793.60.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <20111103000941.GJ5971@hostway.ca>

On Wed, 2011-11-02 at 17:09 -0700, Simon Kirby wrote:
>  
> [   49.032008] other info that might help us debug this:
> [   49.032008] 
> [   49.032008]  Possible unsafe locking scenario:
> [   49.032008] 
> [   49.032008]        CPU0                    CPU1
> [   49.032008]        ----                    ----
> [   49.032008]   lock(slock-AF_INET);
> [   49.039565]                                lock(slock-AF_INET/1);
> [   49.039565]                                lock(slock-AF_INET);
> [   49.039565]   lock(slock-AF_INET/1);
> [   49.039565] 
> [   49.039565]  *** DEADLOCK ***
> [   49.039565] 

> Did that help? I'm not sure if that's what you wanted to see...


Yes, this looks much better than what you previously showed. The added
"/1" makes a world of difference.

Thanks!

I'll add your "Tested-by". Seems rather strange as we didn't fix the bug
you are chasing, but instead fixed the output of what the bug
produced ;)

-- Steve

  reply	other threads:[~2011-11-03  0:15 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1318847658.6594.40.camel@twins>
     [not found] ` <CA+55aFxaGKEyhXdHXNxvPrPQ-SGSpbXdfoeXrxfjPx3VXsgvtg@mail.gmail.com>
     [not found]   ` <1318874090.4172.84.camel@twins>
     [not found]     ` <CA+55aFwCBy=4YK6amE=H-BYu9-boj4Po2Zkgf4V261mCx0DC4A@mail.gmail.com>
     [not found]       ` <1318879396.4172.92.camel@twins>
     [not found]         ` <alpine.LFD.2.02.1110172237030.3240@ionos>
     [not found]           ` <alpine.LFD.2.02.1110181037120.3240@ionos>
     [not found]             ` <1318928713.21167.4.camel@twins>
     [not found]               ` <20111018182046.GF1309@hostway.ca>
     [not found]                 ` <alpine.LFD.2.02.1110182146440.3240@ionos>
     [not found]                   ` <20111024190203.GA24410@hostway.ca>
2011-10-25  7:13                     ` Linux 3.1-rc9 Linus Torvalds
2011-10-25  9:01                       ` David Miller
2011-10-25 12:30                         ` Thomas Gleixner
2011-10-25 23:18                           ` David Miller
2011-10-25 20:20                     ` Simon Kirby
2011-10-31 17:32                       ` Simon Kirby
2011-11-02 16:40                         ` Thomas Gleixner
2011-11-02 17:27                           ` Eric Dumazet
2011-11-02 17:46                             ` Linus Torvalds
2011-11-02 17:53                               ` Eric Dumazet
2011-11-02 18:00                                 ` Linus Torvalds
2011-11-02 18:05                                   ` Eric Dumazet
2011-11-02 18:10                                     ` Linus Torvalds
2011-11-02 17:49                             ` Eric Dumazet
2011-11-02 17:58                               ` Eric Dumazet
2011-11-02 19:16                                 ` Simon Kirby
2011-11-02 22:42                                   ` Eric Dumazet
2011-11-03  0:24                                     ` Thomas Gleixner
2011-11-03  0:52                                     ` Simon Kirby
2011-11-03 22:07                                       ` David Miller
2011-11-03  6:06                                     ` Jörg-Volker Peetz
2011-11-02 17:54                             ` Thomas Gleixner
2011-11-02 18:04                               ` Eric Dumazet
2011-11-02 18:28                           ` Simon Kirby
2011-11-02 18:30                             ` Thomas Gleixner
2011-11-02 22:10                         ` Steven Rostedt
2011-11-02 23:00                           ` Steven Rostedt
2011-11-03  0:09                             ` Simon Kirby
2011-11-03  0:15                               ` Steven Rostedt [this message]
2011-11-03  0:17                                 ` Simon Kirby
     [not found] <CA+55aFxPNszU5UHFrDDYnshLEMupaviFwhgEsgmPkqpmuWNZ8A@mail.gmail.com>
     [not found] ` <20111007070842.GA27555@hostway.ca>
     [not found]   ` <20111007174848.GA11011@hostway.ca>
     [not found]     ` <1318010515.398.8.camel@twins>
     [not found]       ` <20111008005035.GC22843@hostway.ca>
     [not found]         ` <1318060551.8395.0.camel@twins>
     [not found]           ` <20111012213555.GC24461@hostway.ca>
2011-10-18  5:40             ` Simon Kirby

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=1320279351.4793.60.camel@gandalf.stny.rr.com \
    --to=rostedt@goodmis.org \
    --cc=a.p.zijlstra@chello.nl \
    --cc=davej@redhat.com \
    --cc=davem@davemloft.net \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --cc=netdev@vger.kernel.org \
    --cc=schwidefsky@de.ibm.com \
    --cc=sim@hostway.ca \
    --cc=tglx@linutronix.de \
    --cc=torvalds@linux-foundation.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).