On Thu, Aug 25 2005, Ingo Molnar wrote:
>
> * Jens Axboe <[EMAIL PROTECTED]> wrote:
>
> > There can quite easily be lots of pending IO for the io_context (and,
> > in CFQ's case, below cfq_io_contexts), task exiting is completely
> > decoupled from any pending io.
>
> yes, but that only affect
* Jens Axboe <[EMAIL PROTECTED]> wrote:
> There can quite easily be lots of pending IO for the io_context (and,
> in CFQ's case, below cfq_io_contexts), task exiting is completely
> decoupled from any pending io.
yes, but that only affects the io_context reference count. Actual new
use of tsk
* Esben Nielsen <[EMAIL PROTECTED]> wrote:
> Yes, spin_lock(lock) is blocking since lock is mutex, not a spinlock
> under preempt-rt. But isn't it easy to fix? Replace the two lines by
> spin_lock_irqsave(flags). That would work for both preempt-rt and
> !preempt-rt.
at this moment we do not
On Thu, Aug 25 2005, Ingo Molnar wrote:
>
> * Jens Axboe <[EMAIL PROTECTED]> wrote:
>
> > > BUG: scheduling with irqs disabled: libc6.postinst/0x2000/13229
> > > caller is ___down_mutex+0xe9/0x1a0
> > > [] schedule+0x59/0xf0 (8)
> > > [] ___down_mutex+0xe9/0x1a0 (28)
> > > [] cfq_exit_sing
On Wed, Aug 24 2005, Esben Nielsen wrote:
> On Wed, 24 Aug 2005, Jens Axboe wrote:
>
> > On Wed, Aug 24 2005, Lee Revell wrote:
> > > Just found this in dmesg.
> > >
> > > BUG: scheduling with irqs disabled: libc6.postinst/0x2000/13229
> > > caller is ___down_mutex+0xe9/0x1a0
> > > [] schedu
* Jens Axboe <[EMAIL PROTECTED]> wrote:
> > BUG: scheduling with irqs disabled: libc6.postinst/0x2000/13229
> > caller is ___down_mutex+0xe9/0x1a0
> > [] schedule+0x59/0xf0 (8)
> > [] ___down_mutex+0xe9/0x1a0 (28)
> > [] cfq_exit_single_io_context+0x22/0xa0 (84)
> > [] cfq_exit_io_context
On Wed, 24 Aug 2005, Jens Axboe wrote:
> On Wed, Aug 24 2005, Lee Revell wrote:
> > Just found this in dmesg.
> >
> > BUG: scheduling with irqs disabled: libc6.postinst/0x2000/13229
> > caller is ___down_mutex+0xe9/0x1a0
> > [] schedule+0x59/0xf0 (8)
> > [] ___down_mutex+0xe9/0x1a0 (28)
> >
On Wed, Aug 24 2005, Lee Revell wrote:
> Just found this in dmesg.
>
> BUG: scheduling with irqs disabled: libc6.postinst/0x2000/13229
> caller is ___down_mutex+0xe9/0x1a0
> [] schedule+0x59/0xf0 (8)
> [] ___down_mutex+0xe9/0x1a0 (28)
> [] cfq_exit_single_io_context+0x22/0xa0 (84)
> [] cfq
Just found this in dmesg.
BUG: scheduling with irqs disabled: libc6.postinst/0x2000/13229
caller is ___down_mutex+0xe9/0x1a0
[] schedule+0x59/0xf0 (8)
[] ___down_mutex+0xe9/0x1a0 (28)
[] cfq_exit_single_io_context+0x22/0xa0 (84)
[] cfq_exit_io_context+0x3a/0x50 (16)
[] exit_io_context+0x6
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