On Sat, Apr 19, 2014 at 9:21 AM, Paul Gortmaker
wrote:
> On Wed, Apr 9, 2014 at 5:39 PM, Lin Ming wrote:
>> On Wed, Apr 9, 2014 at 1:08 PM, Peter Zijlstra wrote:
>
> [...]
>
Look at that, its calling yield() from a non-preemptible context as
well.
That code is full of
On Wed, Apr 9, 2014 at 5:39 PM, Lin Ming wrote:
> On Wed, Apr 9, 2014 at 1:08 PM, Peter Zijlstra wrote:
[...]
>>>
>>> Look at that, its calling yield() from a non-preemptible context as
>>> well.
>>>
>>> That code is full of fail.
>>
>> *phew* none of that br_igmp_* muck lives in any kernel
On Wed, Apr 9, 2014 at 5:39 PM, Lin Ming min...@gmail.com wrote:
On Wed, Apr 9, 2014 at 1:08 PM, Peter Zijlstra pet...@infradead.org wrote:
[...]
Look at that, its calling yield() from a non-preemptible context as
well.
That code is full of fail.
*phew* none of that br_igmp_* muck lives
On Sat, Apr 19, 2014 at 9:21 AM, Paul Gortmaker
paul.gortma...@windriver.com wrote:
On Wed, Apr 9, 2014 at 5:39 PM, Lin Ming min...@gmail.com wrote:
On Wed, Apr 9, 2014 at 1:08 PM, Peter Zijlstra pet...@infradead.org wrote:
[...]
Look at that, its calling yield() from a non-preemptible
On Wed, Apr 9, 2014 at 1:08 PM, Peter Zijlstra wrote:
> On Wed, Apr 09, 2014 at 09:47:42PM +0200, Peter Zijlstra wrote:
>> On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
>> > [12890.586996] [] (sys_sched_yield+0x0/0x90) from []
>> > (yield+0x2c/0x30)
>> > [12890.594779] r5:c18f4000
On Wed, Apr 09, 2014 at 09:47:42PM +0200, Peter Zijlstra wrote:
> On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
> > [12890.586996] [] (sys_sched_yield+0x0/0x90) from []
> > (yield+0x2c/0x30)
> > [12890.594779] r5:c18f4000 r4:
> > [12890.598258] [] (yield+0x0/0x30) from []
>
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
> [12890.586996] [] (sys_sched_yield+0x0/0x90) from []
> (yield+0x2c/0x30)
> [12890.594779] r5:c18f4000 r4:
> [12890.598258] [] (yield+0x0/0x30) from []
> (netlink_broadcast_filtered+0x3ec/0x400)
> [12890.607170] []
On Wed, Apr 09, 2014 at 11:49:17AM -0700, Lin Ming wrote:
> On Wed, Apr 9, 2014 at 11:32 AM, Lin Ming wrote:
> > On Wed, Apr 9, 2014 at 11:25 AM, Peter Zijlstra
> > wrote:
> >> On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
> >>> Hi Peter,
> >>>
> >>> I hit a panic in
On Wed, Apr 9, 2014 at 11:32 AM, Lin Ming wrote:
> On Wed, Apr 9, 2014 at 11:25 AM, Peter Zijlstra wrote:
>> On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
>>> Hi Peter,
>>>
>>> I hit a panic in sys_sched_yield() because(for some unknown reason)
>>> current->sched_class->yield_task is
On Wed, Apr 9, 2014 at 11:25 AM, Peter Zijlstra wrote:
> On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
>> Hi Peter,
>>
>> I hit a panic in sys_sched_yield() because(for some unknown reason)
>> current->sched_class->yield_task is NULL.
>> It's an ARM embedded board with 3.4-rt kernel.
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
> Hi Peter,
>
> I hit a panic in sys_sched_yield() because(for some unknown reason)
> current->sched_class->yield_task is NULL.
> It's an ARM embedded board with 3.4-rt kernel.
>
> Could you share any hint for the possible causes?
What
Hi Peter,
I hit a panic in sys_sched_yield() because(for some unknown reason)
current->sched_class->yield_task is NULL.
It's an ARM embedded board with 3.4-rt kernel.
Could you share any hint for the possible causes?
Panic log attached.
Line 4551 "yield_task" is NULL.
4546
Hi Peter,
I hit a panic in sys_sched_yield() because(for some unknown reason)
current-sched_class-yield_task is NULL.
It's an ARM embedded board with 3.4-rt kernel.
Could you share any hint for the possible causes?
Panic log attached.
Line 4551 yield_task is NULL.
4546
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
Hi Peter,
I hit a panic in sys_sched_yield() because(for some unknown reason)
current-sched_class-yield_task is NULL.
It's an ARM embedded board with 3.4-rt kernel.
Could you share any hint for the possible causes?
What class does
On Wed, Apr 9, 2014 at 11:25 AM, Peter Zijlstra pet...@infradead.org wrote:
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
Hi Peter,
I hit a panic in sys_sched_yield() because(for some unknown reason)
current-sched_class-yield_task is NULL.
It's an ARM embedded board with 3.4-rt
On Wed, Apr 9, 2014 at 11:32 AM, Lin Ming min...@gmail.com wrote:
On Wed, Apr 9, 2014 at 11:25 AM, Peter Zijlstra pet...@infradead.org wrote:
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
Hi Peter,
I hit a panic in sys_sched_yield() because(for some unknown reason)
On Wed, Apr 09, 2014 at 11:49:17AM -0700, Lin Ming wrote:
On Wed, Apr 9, 2014 at 11:32 AM, Lin Ming min...@gmail.com wrote:
On Wed, Apr 9, 2014 at 11:25 AM, Peter Zijlstra pet...@infradead.org
wrote:
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
Hi Peter,
I hit a panic in
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
[12890.586996] [c007a364] (sys_sched_yield+0x0/0x90) from [c03cbf90]
(yield+0x2c/0x30)
[12890.594779] r5:c18f4000 r4:
[12890.598258] [c03cbf64] (yield+0x0/0x30) from [c02eb650]
(netlink_broadcast_filtered+0x3ec/0x400)
On Wed, Apr 09, 2014 at 09:47:42PM +0200, Peter Zijlstra wrote:
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
[12890.586996] [c007a364] (sys_sched_yield+0x0/0x90) from [c03cbf90]
(yield+0x2c/0x30)
[12890.594779] r5:c18f4000 r4:
[12890.598258] [c03cbf64]
On Wed, Apr 9, 2014 at 1:08 PM, Peter Zijlstra pet...@infradead.org wrote:
On Wed, Apr 09, 2014 at 09:47:42PM +0200, Peter Zijlstra wrote:
On Wed, Apr 09, 2014 at 10:43:32AM -0700, Lin Ming wrote:
[12890.586996] [c007a364] (sys_sched_yield+0x0/0x90) from [c03cbf90]
(yield+0x2c/0x30)
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