Re: Could you please help to have a look a bug trace in pmu arm-cci.c

2019-02-04 Thread Will Deacon
On Fri, Feb 01, 2019 at 06:42:46PM +, Robin Murphy wrote: > On 01/02/2019 18:01, Will Deacon wrote: > > On Wed, Jan 30, 2019 at 07:09:42PM +, Robin Murphy wrote: > > > On 2019-01-30 6:21 pm, Will Deacon wrote: > > > > [+Suzuki and Robin] > > > > > > > > On Mon, Jan 28, 2019 at 07:19:20AM +

Re: Could you please help to have a look a bug trace in pmu arm-cci.c

2019-02-01 Thread Robin Murphy
On 01/02/2019 18:01, Will Deacon wrote: On Wed, Jan 30, 2019 at 07:09:42PM +, Robin Murphy wrote: On 2019-01-30 6:21 pm, Will Deacon wrote: [+Suzuki and Robin] On Mon, Jan 28, 2019 at 07:19:20AM +, Li, Meng wrote: When enable kernel configure CONFIG_DEBUG_ATOMIC_SLEEP, there is below

Re: Could you please help to have a look a bug trace in pmu arm-cci.c

2019-02-01 Thread Will Deacon
On Wed, Jan 30, 2019 at 07:09:42PM +, Robin Murphy wrote: > On 2019-01-30 6:21 pm, Will Deacon wrote: > > [+Suzuki and Robin] > > > > On Mon, Jan 28, 2019 at 07:19:20AM +, Li, Meng wrote: > > > When enable kernel configure CONFIG_DEBUG_ATOMIC_SLEEP, there is below > > > trace > > > during

RE: Could you please help to have a look a bug trace in pmu arm-cci.c

2019-01-31 Thread Li, Meng
t; Subject: Re: Could you please help to have a look a bug trace in pmu arm-cci.c > > On 2019-01-30 6:21 pm, Will Deacon wrote: > > [+Suzuki and Robin] > > > > On Mon, Jan 28, 2019 at 07:19:20AM +, Li, Meng wrote: > >> When enable kernel configure CONFIG_DEBUG_AT

Re: Could you please help to have a look a bug trace in pmu arm-cci.c

2019-01-30 Thread Robin Murphy
On 2019-01-30 6:21 pm, Will Deacon wrote: [+Suzuki and Robin] On Mon, Jan 28, 2019 at 07:19:20AM +, Li, Meng wrote: When enable kernel configure CONFIG_DEBUG_ATOMIC_SLEEP, there is below trace during pmu arm cci driver probe phase. [ 1.983337] BUG: sleeping function called from invalid con

Re: Could you please help to have a look a bug trace in pmu arm-cci.c

2019-01-30 Thread Will Deacon
[+Suzuki and Robin] On Mon, Jan 28, 2019 at 07:19:20AM +, Li, Meng wrote: > When enable kernel configure CONFIG_DEBUG_ATOMIC_SLEEP, there is below trace > during pmu arm cci driver probe phase. > > [ 1.983337] BUG: sleeping function called from invalid context at > kernel/locking/rtmutex.c:2