Date: Thu, 9 Oct 2014 04:57:16 +0200 From: "Ranjan1018 ." <214748mv@gmail.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Adam McDougall <mcdouga9@egr.msu.edu>, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: Ver 2 of the patch [was: Re: i915 driver update testing] Message-ID: <CACyC=qYEZm7dHRnV86OqyJCFUwmiMRsDjJsuDubB5-grAGRQHg@mail.gmail.com> In-Reply-To: <20141008170525.GH2153@kib.kiev.ua> 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> <20141007180106.GD2153@kib.kiev.ua> <54344766.1040700@egr.msu.edu> <20141008170525.GH2153@kib.kiev.ua>
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2014-10-08 19:05 GMT+02:00 Konstantin Belousov <kostikbel@gmail.com>: > On Tue, Oct 07, 2014 at 04:04:54PM -0400, Adam McDougall wrote: > > On 10/07/2014 14:01, Konstantin Belousov wrote: > > > On Tue, Oct 07, 2014 at 07:44:19PM +0300, Konstantin Belousov wrote: > > >> >From the same frame, please do > > >> p *(struct drm_i915_private *)(dev->private) > p *(struct drm_i915_private *)(dev->dev_private) > > > > > > > I probably figured out what is wrong, but it is still interesting to > > > see this piece of data. > > > > > > For everybody who has the issue with blank screen or panic after > > > the patch: > > > 1. please try the updated patch, > > > https://www.kib.kiev.ua/kib/drm/i915.2.patch > > > 2. if you use "kldload i915kms" to test the patch and get the blank > > > screen, verify do you get panic or just a black screen. It is > > > expected for sc, not so for vt. For vt, if you do get blank screen > > > and not a panic, do not load i915kms manually and run the X server. > > > I am interested if running X server does show proper output. > > > > > > > Backtrace seems the same, I repeated the prior commands: > > http://www.egr.msu.edu/~mcdouga9/i915-patch2-1.txt > > 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 . > On my Samsung ATIV Book 2 the result is always the blank screen with i915.2.patch or i9153.patch. The result of the command "kldload i915kms" or running the X server is always the blank screen. Note: if I listen some music, after the "blank screen", I can hear some noise from speakers.
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