Ver 2 of the patch [was: Re: i915 driver update testing]

[Johannes Dieterich]

Hi,

I can confirm v6 of the patch works for me with a r273559 kernel on a
i5-3320M notebook as well.

Only interesting new output to messages:

Oct 25 23:11:19 kernel: error: [drm:pid1159:gen6_sanitize_pm] *ERROR* Power
management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 00070000, was
18070000
Oct 25 23:11:28 kernel: error: [drm:pid1159:gen6_sanitize_pm] *ERROR* Power
management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 18070000, was
00000000
Oct 25 23:11:36 kernel: error: [drm:pid1159:gen6_sanitize_pm] *ERROR* Power
management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 18070000, was
18000000
Oct 25 23:11:48 kernel: error: [drm:pid1159:gen6_sanitize_pm] *ERROR* Power
management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 18070000, was
18000000

Thanks a lot!

Johannes

On Thu, Oct 23, 2014 at 9:03 PM, Konstantin Belousov <kostikbel at gmail.com>
wrote:

> On Wed, Oct 22, 2014 at 03:59:23PM -0400, Adam McDougall wrote:
> > On 10/22/2014 08:26, Konstantin Belousov wrote:
> > > On Wed, Oct 08, 2014 at 03:12:08PM -0400, Adam McDougall wrote:
> > >> On 10/08/2014 13:05, Konstantin Belousov wrote:
> > >>> There are more occurences of the bug I fixed once in patch version 2.
> > >>> Also, since pmap changes were committed in modified form, please try
> > >>> the updated patch at https://www.kib.kiev.ua/kib/drm/i915.3.patch .
> > >>>
> > >>
> > >> No apparent change:
> > >> http://www.egr.msu.edu/~mcdouga9/i915-patch3-1.txt
> > > cite> (kgdb) p *(struct drm_i915_private *)(dev_private)
> > > cite> No symbol "dev_private" in current context.
> > >
> > > This is p *(struct drm_i915_private *)(dev->dev_private)
> >
> > http://www.egr.msu.edu/~mcdouga9/dev_private.txt
> >
> > >
> > > I regenerated patch after recent merges and changes in KPI on HEAD.
> > > https://www.kib.kiev.ua/kib/drm/i915.4.patch
> > >
> > > Please apply it, I think the issue should be there still.  Then apply
> > > the following debugging patch, and set
> > >     kenv drm.debug=0x3
> > > before loading i915kms.ko.  I want to see the same debugging
> information,
> > > and dmesg from the moment of loading the driver.
> > >
> >
> > > In fact, try
> > > https://www.kib.kiev.ua/kib/drm/i915.5.patch
> Due to my mistake during the patch generation, i915.5.patch is just
> a garbage.
>
> Use https://www.kib.kiev.ua/kib/drm/i915.6.patch.  I already have one
> private report of the patch worked from person who got the same panic
> in iicbb.
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