i915 driver update testing

[Konstantin Belousov]

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)