Re: 'sleeping function called from invalid context' bug when mounting an IDE device

From: Daniel Walker (dwalker_at_mvista.com)
Date: 07/08/05

  • Next message: Ananth N Mavinakayanahalli: "Re: [4/6 PATCH] Kprobes : Prevent possible race conditions ppc64 changes" 
    To: Ingo Molnar <mingo@elte.hu>
Date: 	Fri, 08 Jul 2005 07:00:42 -0700

    On Fri, 2005-07-08 at 15:43 +0200, Ingo Molnar wrote:
    > * Vitaly Wool <vwool@ru.mvista.com> wrote:
    >
    > > Hi Ingo,
    > >
    > > I've come across the following problem during the debugging of IDE
    > > driver for Philips PNX0105 ARM9 platform in RT mode
    > > (CONFIG_PREEMPT_RT). When I mount/unmount a device, the following
    > > error is printed out to a terminal:
    >
    > could you send me the full backtrace?
    >
    > > So, the problem is in the generic IDE code, namely, in ide_intr()
    > > taking ide_lock.
    >
    > which version did you try, and does this happen with the latest patch
    > too?

    Interrupts should be enabled unconditionally for threaded interrupt
    handlers. Or at least the generics work that way.

    Daniel

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  • Next message: Ananth N Mavinakayanahalli: "Re: [4/6 PATCH] Kprobes : Prevent possible race conditions ppc64 changes"

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