From: Olaf Hering <olaf@aepfle.de>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: qemu/nfsroot: BUG: sleeping function called from invalid context at 2.6.33.3-rt19-i686-pc/kernel/rtmutex.c:684
Date: Mon, 17 May 2010 11:02:11 +0200 [thread overview]
Message-ID: <20100517090211.GA7431@aepfle.de> (raw)
In-Reply-To: <alpine.LFD.2.00.1005171018100.3368@localhost.localdomain>
On Mon, May 17, Thomas Gleixner wrote:
> On Sun, 16 May 2010, Olaf Hering wrote:
> >
> > Running 2.6.33.3-rt19 in qemu with nfsroot floods dmesg with lots of
> > warnings like
> >
> > BUG: sleeping function called from invalid context at /opt/cross/sys-root/i686-linux/usr/src/linux-2.6.33-i686-kernel-source/kernel/rtmutex.c:684
> >
> > This happens already when the kernel mounts the nfsroot filesystem,
> > if I interpret the dmesg output below correctly.
> >
> > Any idea how to fix the reported BUG?
>
> Yup, patch below should do the trick. It fixes the other user of this
> as well.
Yes, no BUG flood with this patch applied.
Thanks.
Olaf
prev parent reply other threads:[~2010-05-17 9:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-16 21:33 qemu/nfsroot: BUG: sleeping function called from invalid context at 2.6.33.3-rt19-i686-pc/kernel/rtmutex.c:684 Olaf Hering
2010-05-17 8:28 ` Thomas Gleixner
2010-05-17 9:02 ` Olaf Hering [this message]
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