Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-09-08 Thread Lyude Paul
On Tue, 2020-08-18 at 10:58 -0700, Zwane Mwaikambo wrote: > On Wed, 12 Aug 2020, Lyude Paul wrote: > > > On Wed, 2020-08-12 at 16:10 +0200, Daniel Vetter wrote: > > > On Wed, Aug 12, 2020 at 12:16 AM Zwane Mwaikambo > > > wrote: > > > > On Tue, 11 Aug 2020, Daniel Vetter wrote: > > > > > > > > >

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-08-18 Thread Zwane Mwaikambo
On Wed, 12 Aug 2020, Lyude Paul wrote: > On Wed, 2020-08-12 at 16:10 +0200, Daniel Vetter wrote: > > On Wed, Aug 12, 2020 at 12:16 AM Zwane Mwaikambo wrote: > > > On Tue, 11 Aug 2020, Daniel Vetter wrote: > > > > > > > On Mon, Aug 10, 2020 at 10:11:50AM -0700, Zwane Mwaikambo wrote: > > > > > Hi

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-08-13 Thread Zwane Mwaikambo
On Wed, 12 Aug 2020, Lyude Paul wrote: > On Wed, 2020-08-12 at 16:10 +0200, Daniel Vetter wrote: > > On Wed, Aug 12, 2020 at 12:16 AM Zwane Mwaikambo wrote: > > > On Tue, 11 Aug 2020, Daniel Vetter wrote: > > > > > > > On Mon, Aug 10, 2020 at 10:11:50AM -0700, Zwane Mwaikambo wrote: > > > > > Hi

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-08-12 Thread Lyude Paul
On Wed, 2020-08-12 at 16:10 +0200, Daniel Vetter wrote: > On Wed, Aug 12, 2020 at 12:16 AM Zwane Mwaikambo wrote: > > On Tue, 11 Aug 2020, Daniel Vetter wrote: > > > > > On Mon, Aug 10, 2020 at 10:11:50AM -0700, Zwane Mwaikambo wrote: > > > > Hi Folks, > > > > I know this thread eventually dr

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-08-12 Thread Daniel Vetter
On Wed, Aug 12, 2020 at 12:16 AM Zwane Mwaikambo wrote: > > On Tue, 11 Aug 2020, Daniel Vetter wrote: > > > On Mon, Aug 10, 2020 at 10:11:50AM -0700, Zwane Mwaikambo wrote: > > > Hi Folks, > > > I know this thread eventually dropped off due to not identifying > > > the underlying issue. It's s

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-08-12 Thread Zwane Mwaikambo
On Tue, 11 Aug 2020, Daniel Vetter wrote: > On Mon, Aug 10, 2020 at 10:11:50AM -0700, Zwane Mwaikambo wrote: > > Hi Folks, > > I know this thread eventually dropped off due to not identifying > > the underlying issue. It's still occuring on 5.8 and in my case it > > happened because the udev

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-08-11 Thread Daniel Vetter
On Mon, Aug 10, 2020 at 10:11:50AM -0700, Zwane Mwaikambo wrote: > Hi Folks, > I know this thread eventually dropped off due to not identifying > the underlying issue. It's still occuring on 5.8 and in my case it > happened because the udev device nodes for the DP aux devices were not > cl

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2020-08-11 Thread Zwane Mwaikambo
Hi Folks, I know this thread eventually dropped off due to not identifying the underlying issue. It's still occuring on 5.8 and in my case it happened because the udev device nodes for the DP aux devices were not cleaned up whereas the kernel had no association with them. I can reproduc

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-09-23 Thread Ville Syrjälä
On Mon, Sep 23, 2019 at 11:03:35AM -0400, Tony Camuso wrote: > On 7/12/19 1:06 PM, Ville Syrjälä wrote: > > On Fri, Jul 12, 2019 at 12:07:46PM -0400, Tony Camuso wrote: > >> On 7/10/19 9:56 AM, Ville Syrjälä wrote: > >>> On Wed, Jul 10, 2019 at 09:47:11AM -0400, Tony Camuso wrote: > On 5/24/19

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-09-23 Thread Tony Camuso
On 7/12/19 1:06 PM, Ville Syrjälä wrote: On Fri, Jul 12, 2019 at 12:07:46PM -0400, Tony Camuso wrote: On 7/10/19 9:56 AM, Ville Syrjälä wrote: On Wed, Jul 10, 2019 at 09:47:11AM -0400, Tony Camuso wrote: On 5/24/19 4:36 AM, Jani Nikula wrote: On Thu, 23 May 2019, tcamuso wrote: From Dani

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-07-12 Thread Tony Camuso
On 7/12/19 1:06 PM, Ville Syrjälä wrote: On Fri, Jul 12, 2019 at 12:07:46PM -0400, Tony Camuso wrote: On 7/10/19 9:56 AM, Ville Syrjälä wrote: On Wed, Jul 10, 2019 at 09:47:11AM -0400, Tony Camuso wrote: On 5/24/19 4:36 AM, Jani Nikula wrote: On Thu, 23 May 2019, tcamuso wrote: From Dani

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-07-12 Thread Ville Syrjälä
On Fri, Jul 12, 2019 at 12:07:46PM -0400, Tony Camuso wrote: > On 7/10/19 9:56 AM, Ville Syrjälä wrote: > > On Wed, Jul 10, 2019 at 09:47:11AM -0400, Tony Camuso wrote: > >> On 5/24/19 4:36 AM, Jani Nikula wrote: > >>> On Thu, 23 May 2019, tcamuso wrote: > From Daniel Kwon > > Th

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-07-12 Thread Tony Camuso
On 7/10/19 9:56 AM, Ville Syrjälä wrote: On Wed, Jul 10, 2019 at 09:47:11AM -0400, Tony Camuso wrote: On 5/24/19 4:36 AM, Jani Nikula wrote: On Thu, 23 May 2019, tcamuso wrote: From Daniel Kwon The system was crashed due to invalid memory access while trying to access auxiliary device. c

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-07-10 Thread Ville Syrjälä
On Wed, Jul 10, 2019 at 09:47:11AM -0400, Tony Camuso wrote: > On 5/24/19 4:36 AM, Jani Nikula wrote: > > On Thu, 23 May 2019, tcamuso wrote: > >> From Daniel Kwon > >> > >> The system was crashed due to invalid memory access while trying to access > >> auxiliary device. > >> > >> crash> bt > >>

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-07-10 Thread Tony Camuso
On 5/24/19 4:36 AM, Jani Nikula wrote: On Thu, 23 May 2019, tcamuso wrote: From Daniel Kwon The system was crashed due to invalid memory access while trying to access auxiliary device. crash> bt PID: 9863 TASK: 89d1bdf11040 CPU: 1 COMMAND: "ipmitool" #0 [89cedd7f3868] machine

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-05-24 Thread Ville Syrjälä
On Fri, May 24, 2019 at 06:48:32AM -0400, tony camuso wrote: > On 5/24/19 4:36 AM, Jani Nikula wrote: > > On Thu, 23 May 2019, tcamuso wrote: > >> From Daniel Kwon > >> > >> The system was crashed due to invalid memory access while trying to access > >> auxiliary device. > >> > >> crash> bt > >>

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-05-24 Thread tony camuso
On 5/24/19 4:36 AM, Jani Nikula wrote: On Thu, 23 May 2019, tcamuso wrote: From Daniel Kwon The system was crashed due to invalid memory access while trying to access auxiliary device. crash> bt PID: 9863 TASK: 89d1bdf11040 CPU: 1 COMMAND: "ipmitool" #0 [89cedd7f3868] machine

Re: [PATCH] drm: assure aux_dev is nonzero before using it

2019-05-24 Thread Jani Nikula
On Thu, 23 May 2019, tcamuso wrote: > From Daniel Kwon > > The system was crashed due to invalid memory access while trying to access > auxiliary device. > > crash> bt > PID: 9863 TASK: 89d1bdf11040 CPU: 1 COMMAND: "ipmitool" > #0 [89cedd7f3868] machine_kexec at b0663674 >