From: Andrea Arcangeli <andrea@suse.de>
To: Marc-Christian Petersen <m.c.p@wolk-project.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.4.21pre5aa1
Date: Fri, 14 Mar 2003 18:38:48 +0100 [thread overview]
Message-ID: <20030314173848.GH1375@dualathlon.random> (raw)
In-Reply-To: <200303141810.54234.m.c.p@wolk-project.de>
On Fri, Mar 14, 2003 at 06:10:54PM +0100, Marc-Christian Petersen wrote:
> On Friday 14 March 2003 14:39, Marc-Christian Petersen wrote:
>
> Hi Andrea,
>
> > > Only in 2.4.21pre5aa1: 22_sched-deadlock-mmdrop-1
> > > Backport from 2.5 (in a more icache friendy way) an anti-deadlock
> > > fix for the o1 scheduler that can otherwise send a cross IPI with
> > > irq disabled.
>
> > I get _tons_ of these messages:
> >
> > Initializing RT netlink socket
> > rq->prev_mm was c025b0e0 set to c025b0e0 - swapper
> > dffddf4c c0115786 c023b1a0 c025b0e0 c025b0e0 dffdc24e dffddfbc dffce02c
> > dffdc000 00000000 dffdc000 dffddfbc c0105000 0008e000 c01072bd
> > 00000700 c0125d00 c02916a8 dffddfbc c0105000 0008e000 00000002 c01e0018
> > ....
>
> I am going to rip out 22_sched-deadlock-mmdrop-1 because I dunno how to fix
> this. The trace is annoying ;)
the fix for this was supposed to be included in the o1 scheduler patch,
there is been clearly a merging error, just drop the #ifdef CONFIG_SMP
around schedule_tail in arch/i386/kernel/entry.S and it'll work fine.
Andrea
next prev parent reply other threads:[~2003-03-14 17:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-14 9:08 2.4.21pre5aa1 Andrea Arcangeli
2003-03-14 10:15 ` 2.4.21pre5aa1 Marc-Christian Petersen
2003-03-14 10:29 ` 2.4.21pre5aa1 Andrea Arcangeli
2003-03-14 12:50 ` 2.4.21pre5aa1 Andrew Morton
2003-03-14 17:27 ` 2.4.21pre5aa1 Andrea Arcangeli
2003-03-14 13:39 ` 2.4.21pre5aa1 Marc-Christian Petersen
2003-03-14 17:05 ` 2.4.21pre5aa1 Marc-Christian Petersen
2003-03-14 17:10 ` 2.4.21pre5aa1 Marc-Christian Petersen
2003-03-14 17:38 ` Andrea Arcangeli [this message]
2003-03-14 18:04 ` 2.4.21pre5aa1 Marc-Christian Petersen
2003-03-14 23:13 ` 2.4.21pre5aa1 Andrea Arcangeli
2003-03-14 13:53 ` 2.4.21pre5aa1 Rik van Riel
2003-03-14 17:35 ` 2.4.21pre5aa1 Andrea Arcangeli
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