Re: Question regarding RT patches for ARM

2017-05-21 Thread Sebastian Andrzej Siewior
On 2017-05-18 13:08:32 [+0200], Fawad Lateef wrote: > Hi Sebastian, Hi Fawad, > > Of this "page fault" happens on boot, it has to do something without > > your .config + hw combination. If it happens at rune-time it is probably > > triggered by a driver or an application is triggering this. > > >

Re: Question regarding RT patches for ARM

2017-05-21 Thread Sebastian Andrzej Siewior
On 2017-05-17 07:45:39 [-0700], Eric Nelson wrote: > Hi Fawad, Hi Fawad, > On 05/17/2017 06:40 AM, Fawad Lateef wrote: > > > > I'm not sure about the unhandled page fault, but the stalls may be > > > > because of the SDMA driver. > > > > > > > > See this patch in the Freescale/NXP community for k

Re: Question regarding RT patches for ARM

2017-05-21 Thread Eric Nelson
Hi Fawad, On 05/17/2017 06:40 AM, Fawad Lateef wrote: > On 15 May 2017 at 16:20, Fawad Lateef wrote: >> Hi Eric, >> On 15 May 2017 at 16:12, Eric Nelson wrote: >>> Hi Fawad, >>> 发自网易邮箱大师 On 05/15/2017 20:44, Fawad Lateef wrote: Hi All, I am working on custom i.MX6 q

Re: Question regarding RT patches for ARM

2017-05-21 Thread Eric Nelson
Hi Fawad, > 发自网易邮箱大师 > On 05/15/2017 20:44, Fawad Lateef wrote: > > Hi All, > > I am working on custom i.MX6 quad hardware and using RT patches for > almost latest stable kernel 4.9 and facing some weird system stall OR > 'unhandled page fault - exceptions'. > I'm not sure about the unhandled pag

Re: Question regarding RT patches for ARM

2017-05-21 Thread Sebastian Andrzej Siewior
On 2017-05-15 15:09:45 [+0200], Fawad Lateef wrote: > Hi, > > I am talking in general about RT patches. Like downloaded 4.9.20 from > kernel.org and applied patch "4.9.20-rt16.patch". understood > On 15 May 2017 at 14:51, GuJiangfei wrote: > > Which rt patch do you mean? > > > > > > 发自网易邮箱大师 >

Re: Question regarding RT patches for ARM

2017-05-18 Thread Fawad Lateef
Hi Sebastian, On 17 May 2017 at 18:02, Sebastian Andrzej Siewior wrote: > On 2017-05-17 07:45:39 [-0700], Eric Nelson wrote: >> Hi Fawad, > Hi Fawad, > >> On 05/17/2017 06:40 AM, Fawad Lateef wrote: >> > > > I'm not sure about the unhandled page fault, but the stalls may be >> > > > because of t

Re: Question regarding RT patches for ARM

2017-05-18 Thread Fawad Lateef
Hi Eric, On 17 May 2017 at 16:45, Eric Nelson wrote: > Hi Fawad, > > On 05/17/2017 06:40 AM, Fawad Lateef wrote: >> >> On 15 May 2017 at 16:20, Fawad Lateef wrote: >>> >>> Hi Eric, >>> On 15 May 2017 at 16:12, Eric Nelson wrote: Hi Fawad, > 发自网易邮箱大师 > On 05/15/2017 20:44

Re: Question regarding RT patches for ARM

2017-05-17 Thread Fawad Lateef
Hi, On 15 May 2017 at 16:20, Fawad Lateef wrote: > Hi Eric, > > > On 15 May 2017 at 16:12, Eric Nelson wrote: >> Hi Fawad, >> >>> 发自网易邮箱大师 >>> On 05/15/2017 20:44, Fawad Lateef wrote: >>> >>> Hi All, >>> >>> I am working on custom i.MX6 quad hardware and using RT patches for >>> almost latest s

Re: Question regarding RT patches for ARM

2017-05-15 Thread Fawad Lateef
Hi Eric, On 15 May 2017 at 16:12, Eric Nelson wrote: > Hi Fawad, > >> 发自网易邮箱大师 >> On 05/15/2017 20:44, Fawad Lateef wrote: >> >> Hi All, >> >> I am working on custom i.MX6 quad hardware and using RT patches for >> almost latest stable kernel 4.9 and facing some weird system stall OR >> 'unhandle

Re: Question regarding RT patches for ARM

2017-05-15 Thread Fawad Lateef
Hi Sebastian, On 15 May 2017 at 15:47, Sebastian Andrzej Siewior wrote: > On 2017-05-15 15:09:45 [+0200], Fawad Lateef wrote: >> Hi, >> >> I am talking in general about RT patches. Like downloaded 4.9.20 from >> kernel.org and applied patch "4.9.20-rt16.patch". > > understood > >> On 15 May 2017

Re: Question regarding RT patches for ARM

2017-05-15 Thread Fawad Lateef
Hi, I am talking in general about RT patches. Like downloaded 4.9.20 from kernel.org and applied patch "4.9.20-rt16.patch". Thanks -- Fawad Lateef On 15 May 2017 at 14:51, GuJiangfei wrote: > Which rt patch do you mean? > > > 发自网易邮箱大师 > On 05/15/2017 20:44, Fawad Lateef wrote: > > Hi All, > >

Re: Question regarding RT patches for ARM

2017-05-15 Thread Richard Weinberger
Fawad, [CC'ing RT experts] On Mon, May 15, 2017 at 2:44 PM, Fawad Lateef wrote: > Hi All, > > I am working on custom i.MX6 quad hardware and using RT patches for > almost latest stable kernel 4.9 and facing some weird system stall OR > 'unhandled page fault - exceptions'. > > Just want to confir

Re: Question regarding RT patches for ARM

2017-05-15 Thread GuJiangfei
Which rt patch do you mean? 发自网易邮箱大师 On 05/15/2017 20:44, Fawad Lateef wrote: Hi All, I am working on custom i.MX6 quad hardware and using RT patches for almost latest stable kernel 4.9 and facing some weird system stall OR 'unhandled page fault - exceptions'. Just want to confirm that "are R

Question regarding RT patches for ARM

2017-05-15 Thread Fawad Lateef
Hi All, I am working on custom i.MX6 quad hardware and using RT patches for almost latest stable kernel 4.9 and facing some weird system stall OR 'unhandled page fault - exceptions'. Just want to confirm that "are RT patches for ARM are stable OR they are still experimental?" As I heard from my o