From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>, Alan Cox <alan@redhat.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [Resend][2.6.27-git-a447c093244] BUG: spinlock bad magic on CPU#0, setserial/3527
Date: Tue, 14 Oct 2008 00:16:57 +0100 [thread overview]
Message-ID: <20081014001657.13e40477@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <alpine.LFD.2.00.0810131538210.3288@nehalem.linux-foundation.org>
On Mon, 13 Oct 2008 16:10:14 -0700 (PDT)
Linus Torvalds <torvalds@linux-foundation.org> wrote:
>
> If this started today, then the most likely culprit is Alan's series of 80
> serial patches.
>
> Alan? I can only assume it's one of the
>
> spin_lock_irq(&up->port.lock);
>
> in serial8250_startup() (or quite likely in one of the functions it calls
> that get inlined by the compiler, like enable_rsa()).
>
> And it sounds like it didn't get initialized.
Yeah I know whats going on I think. When I dropped out the NR_IRQ changes
I didn't drop back in the spin lock init. Will sort it tomorrow (actually
'later today' as its midnight here)
Alan
prev parent reply other threads:[~2008-10-13 23:18 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-13 22:10 [Resend][2.6.27-git-a447c093244] BUG: spinlock bad magic on CPU#0, setserial/3527 Rafael J. Wysocki
2008-10-13 23:10 ` Linus Torvalds
2008-10-13 23:16 ` Alan Cox [this message]
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