Messages in this thread Patch in this message | | | Date | Mon, 17 May 2010 10:28:12 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: qemu/nfsroot: BUG: sleeping function called from invalid context at 2.6.33.3-rt19-i686-pc/kernel/rtmutex.c:684 |
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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.
Thanks,
tglx --- Subject: net-8139-rt.patch From: Thomas Gleixner <tglx@linutronix.de> Date: Mon, 17 May 2010 10:19:06 +0200
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- include/linux/interrupt.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-)
Index: linux-2.6-tip/include/linux/interrupt.h =================================================================== --- linux-2.6-tip.orig/include/linux/interrupt.h +++ linux-2.6-tip/include/linux/interrupt.h @@ -246,7 +246,7 @@ static inline int irq_select_affinity(un static inline void disable_irq_nosync_lockdep(unsigned int irq) { disable_irq_nosync(irq); -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_disable(); #endif } @@ -254,7 +254,7 @@ static inline void disable_irq_nosync_lo static inline void disable_irq_nosync_lockdep_irqsave(unsigned int irq, unsigned long *flags) { disable_irq_nosync(irq); -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_save(*flags); #endif } @@ -262,14 +262,14 @@ static inline void disable_irq_nosync_lo static inline void disable_irq_lockdep(unsigned int irq) { disable_irq(irq); -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_disable(); #endif } static inline void enable_irq_lockdep(unsigned int irq) { -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_enable(); #endif enable_irq(irq); @@ -277,7 +277,7 @@ static inline void enable_irq_lockdep(un static inline void enable_irq_lockdep_irqrestore(unsigned int irq, unsigned long *flags) { -#ifdef CONFIG_LOCKDEP +#if defined(CONFIG_LOCKDEP) && !defined(CONFIG_PREEMPT_RT) local_irq_restore(*flags); #endif enable_irq(irq);
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