Date: Wed, 08 Oct 2014 15:12:08 -0400 From: Adam McDougall <mcdouga9@egr.msu.edu> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: Ver 2 of the patch [was: Re: i915 driver update testing] Message-ID: <54358C88.2080501@egr.msu.edu> 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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On 10/08/2014 13:05, Konstantin Belousov wrote: > 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 . > No apparent change: http://www.egr.msu.edu/~mcdouga9/i915-patch3-1.txt I made a log of the source operations and compile to be certain I was using the right patch properly: http://www.egr.msu.edu/~mcdouga9/20141008-compile.txt Are any of these an issue in the patch? Seem unrelated but hopefully harmless: diff --git a/sys/dev/md/md.c b/sys/dev/md/md.c diff --git a/sys/fs/tmpfs/tmpfs_subr.c b/sys/fs/tmpfs/tmpfs_subr.c diff --git a/sys/kern/kern_exec.c b/sys/kern/kern_exec.c diff --git a/sys/kern/uipc_shm.c b/sys/kern/uipc_shm.c diff --git a/sys/kern/uipc_syscalls.c b/sys/kern/uipc_syscalls.c diff --git a/sys/vm/default_pager.c b/sys/vm/default_pager.c diff --git a/sys/vm/device_pager.c b/sys/vm/device_pager.c diff --git a/sys/vm/phys_pager.c b/sys/vm/phys_pager.c diff --git a/sys/vm/sg_pager.c b/sys/vm/sg_pager.c diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c diff --git a/sys/vm/vm_glue.c b/sys/vm/vm_glue.c diff --git a/sys/vm/vm_object.c b/sys/vm/vm_object.c diff --git a/sys/vm/vm_pager.c b/sys/vm/vm_pager.c diff --git a/sys/vm/vm_pager.h b/sys/vm/vm_pager.h diff --git a/sys/vm/vnode_pager.c b/sys/vm/vnode_pager.c Thanks.
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