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Date:      Tue, 7 Oct 2014 21:24:46 +0300
From:      Konstantin Belousov <kostikbel@gmail.com>
To:        Adam McDougall <mcdouga9@egr.msu.edu>
Cc:        freebsd-current@freebsd.org
Subject:   Re: i915 driver update testing
Message-ID:  <20141007182445.GE2153@kib.kiev.ua>
In-Reply-To: <54342C06.8090107@egr.msu.edu>
References:  <20141003170258.GG26076@kib.kiev.ua> <54315D3A.3090902@egr.msu.edu> <20141005170007.GZ26076@kib.kiev.ua> <5433260C.5050901@egr.msu.edu> <20141007042043.GG26076@kib.kiev.ua> <5433E408.2010601@egr.msu.edu> <20141007164419.GB2153@kib.kiev.ua> <54342C06.8090107@egr.msu.edu>

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On Tue, Oct 07, 2014 at 02:08:06PM -0400, Adam McDougall wrote:
> 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.
It is dev_private, typo.



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