Re: i915 driver update testing

On 10/07/2014 12:44, Konstantin Belousov wrote:
> On Tue, Oct 07, 2014 at 09:00:56AM -0400, Adam McDougall wrote:
>>
>> On 10/7/2014 12:20 AM, Konstantin Belousov wrote:
>>> On Mon, Oct 06, 2014 at 07:30:20PM -0400, Adam McDougall wrote:
>>>> On 10/05/2014 13:00, Konstantin Belousov wrote:
>>>>> On Sun, Oct 05, 2014 at 11:01:14AM -0400, Adam McDougall wrote:
>>>>>> (kgdb) #0  doadump (textdump=1) at pcpu.h:219
>>>>>> #1  0xffffffff80661efd in kern_reboot (howto=260)
>>>>>>      at /usr/src/sys/kern/kern_shutdown.c:447
>>>>>> #2  0xffffffff80662450 in panic (fmt=<value optimized out>)
>>>>>>      at /usr/src/sys/kern/kern_shutdown.c:746
>>>>>> #3  0xffffffff808fe52f in trap_fatal (frame=<value optimized out>,
>>>>>>      eva=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:866
>>>>>> #4  0xffffffff808fe87c in trap_pfault (frame=0xfffffe01fe0b21b0,
>>>>>>      usermode=<value optimized out>) at /usr/src/sys/amd64/amd64/trap.c:677
>>>>>> #5  0xffffffff808fde9e in trap (frame=0xfffffe01fe0b21b0)
>>>>>>      at /usr/src/sys/amd64/amd64/trap.c:426
>>>>>> #6  0xffffffff808e00a2 in calltrap ()
>>>>>>      at /usr/src/sys/amd64/amd64/exception.S:231
>>>>>> #7  0xffffffff8166808e in i915_write32 (dev_priv=0xfffff800031f1c00,
>>>>>>      reg=20736, val=0)
>>>>>>      at
>>>>>> /usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/i915_drv.c:992
>>>>> In kgdb, from this frame, please do
>>>>> p *dev_priv
>>>>> p *(dev_priv->dev)
>>>>> p *(dev_priv->info)
>>>> http://www.egr.msu.edu/~mcdouga9/i915-1b.txt
>>>>
>>>> Sorry for the delay.  I duplicated this on a spare computer of the same
>>>> model so I can test easier.
>>> Great, thank you.  Please also do, from the frame 12,
>>> p *dev
>>>
>> http://www.egr.msu.edu/~mcdouga9/i915-2.txt
> 
> From the same frame, please do
> p *(struct drm_i915_private *)(dev->private)
> 

(kgdb) f 12
#12 0xffffffff81681bd7 in intel_modeset_init (dev=0xfffff80003bd9000)
    at
/usr/src/sys/modules/drm2/i915kms/../../../dev/drm2/i915/intel_display.c:6603
6603				found = intel_sdvo_init(dev, PCH_SDVOB, true);
Current language:  auto; currently minimal
(kgdb) p *(struct drm_i915_private *)(dev->private)
There is no member named private.