From: Rusty Russell <rusty@rustcorp.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: Hugh Dickins <hugh@veritas.com>
Cc: tmolina@cablespeed.com, linux-kernel@vger.kernel.org
Subject: Re: 2.6.1-mm4
Date: Mon, 19 Jan 2004 18:16:50 +1100 [thread overview]
Message-ID: <20040119113132.D25A52C2AA@lists.samba.org> (raw)
In-Reply-To: Your message of "Sat, 17 Jan 2004 10:52:39 -0800." <20040117105239.0b94f2b3.akpm@osdl.org>
In message <20040117105239.0b94f2b3.akpm@osdl.org> you write:
> Hugh Dickins <hugh@veritas.com> wrote:
> > I was getting something like that on reboot a few days ago, I think it
> > was with 2.6.1-mm2. I had to move on before debugging it fully, but
> > the impression I got (maybe vile calumny, sue me Rusty) was that the
> > new kthread_create for 2.6.1-mm's ksoftirqd was leaving it vulnerable
> > to shutdown kill, whereas other things (RCU in my traces) still needed
> > it around and assumed its task address still valid.
>
> Yes. ksoftirqd and the migration threads can now be killed off
> with `kill -9'.
"That shouldn't happen".
We block and flush all signals in workqueue.c. How is that kill -9
getting through?
It also implies that previously ksoftirqd and migration threads would
tight spin after kill -9, since they slept with TASK_INTERRUPTIBLE.
Will dig...
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
next prev parent reply other threads:[~2004-01-19 11:32 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-17 13:13 2.6.1-mm4 Thomas Molina
2004-01-17 18:14 ` 2.6.1-mm4 Hugh Dickins
2004-01-17 18:52 ` 2.6.1-mm4 Andrew Morton
2004-01-19 7:16 ` Rusty Russell [this message]
2004-01-19 11:29 ` 2.6.1-mm4 Rusty Russell
[not found] <20040115225948.6b994a48.akpm@osdl.org.suse.lists.linux.kernel>
[not found] ` <20040118001217.GE3125@werewolf.able.es.suse.lists.linux.kernel>
[not found] ` <20040117215535.0e4674b8.akpm@osdl.org.suse.lists.linux.kernel>
[not found] ` <20040118081128.GA3153@werewolf.able.es.suse.lists.linux.kernel>
[not found] ` <20040118001708.09291455.akpm@osdl.org.suse.lists.linux.kernel>
[not found] ` <20040119224219.65991501.rusty@rustcorp.com.au.suse.lists.linux.kernel>
2004-01-19 12:40 ` 2.6.1-mm4 Andi Kleen
2004-01-21 4:06 ` 2.6.1-mm4 Rusty Russell
2004-01-21 4:56 ` 2.6.1-mm4 Valdis.Kletnieks
2004-01-21 8:40 ` 2.6.1-mm4 Vojtech Pavlik
2004-01-21 12:27 ` 2.6.1-mm4 Andi Kleen
2004-01-21 12:34 ` 2.6.1-mm4 Vojtech Pavlik
2004-01-21 12:46 ` 2.6.1-mm4 Andi Kleen
2004-01-21 13:13 ` 2.6.1-mm4 Vojtech Pavlik
2004-01-22 1:31 ` 2.6.1-mm4 Rusty Russell
2004-01-21 12:53 ` 2.6.1-mm4 Dmitry Torokhov
-- strict thread matches above, loose matches on Subject: below --
2004-01-16 6:59 2.6.1-mm4 Andrew Morton
2004-01-16 9:34 ` 2.6.1-mm4 Prakash K. Cheemplavam
2004-01-21 18:46 ` 2.6.1-mm4 Prakash K. Cheemplavam
2004-01-21 19:20 ` 2.6.1-mm4 Valdis.Kletnieks
2004-02-11 22:22 ` 2.6.1-mm4 Prakash K. Cheemplavam
2004-02-12 5:52 ` 2.6.1-mm4 Valdis.Kletnieks
2004-02-12 7:30 ` 2.6.1-mm4 Prakash K. Cheemplavam
2004-02-12 8:46 ` 2.6.1-mm4 Valdis.Kletnieks
2004-02-12 13:15 ` 2.6.1-mm4 Prakash K. Cheemplavam
2004-02-12 16:11 ` 2.6.1-mm4 Prakash K. Cheemplavam
2004-01-16 13:45 ` 2.6.1-mm4 Ed Tomlinson
2004-01-16 17:32 ` 2.6.1-mm4 Thomas Schlichter
2004-01-16 14:49 ` 2.6.1-mm4 Fabian Fenaut
[not found] ` <200401161449.i0GEnoAv026627@fire-1.osdl.org>
2004-01-16 17:03 ` 2.6.1-mm4 Andrew Morton
2004-01-16 18:11 ` 2.6.1-mm4 Fabian Fenaut
2004-01-16 17:37 ` 2.6.1-mm4 Thomas Schlichter
2004-01-16 17:58 ` 2.6.1-mm4 Thomas Schlichter
2004-01-17 1:31 ` 2.6.1-mm4 Greg Fitzgerald
2004-01-17 1:40 ` 2.6.1-mm4 Mike Fedyk
2004-01-17 2:07 ` 2.6.1-mm4 Greg Fitzgerald
2004-01-17 2:24 ` 2.6.1-mm4 Mike Fedyk
2004-01-17 4:05 ` 2.6.1-mm4 Dmitry Torokhov
2004-01-17 4:22 ` 2.6.1-mm4 Greg Fitzgerald
2004-01-17 2:22 ` 2.6.1-mm4 Adrian Bunk
2004-01-18 0:12 ` 2.6.1-mm4 J.A. Magallon
2004-01-18 5:55 ` 2.6.1-mm4 Andrew Morton
2004-01-18 8:11 ` 2.6.1-mm4 J.A. Magallon
2004-01-18 8:17 ` 2.6.1-mm4 Andrew Morton
2004-01-19 11:42 ` 2.6.1-mm4 Rusty Russell
2004-01-19 11:46 ` 2.6.1-mm4 Luiz Fernando Capitulino
2004-01-20 0:26 ` 2.6.1-mm4 Thomas Molina
2004-01-20 0:57 ` 2.6.1-mm4 Andrew Morton
2004-01-20 2:13 ` 2.6.1-mm4 Thomas Molina
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