[Bug 77263] [BDW GT3]System hangs while running glxgear with SNA

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77263

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED

--- Comment #19 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #18)
> (In reply to comment #16)
> > (In reply to comment #13)
> > > One thing to try is
> > > 
> > > commit b12bc035fb8ee40bb382e66604e869b729270189
> > > Author: Chris Wilson <chris at chris-wilson.co.uk>
> > > Date:   Tue Apr 22 12:30:29 2014 +0100
> > > 
> > >     sna: Add a DBG aide to disable hardware execution
> > >     
> > >     Submit a dummy batch so that we still build, submit batches and perform
> > >     relocations, but do not actually invoke the GPU. This can be useful when
> > >     looking at mysterious hardware hangs.
> > >     
> > >     References: https://bugs.freedesktop.org/show_bug.cgi?id=77263
> > >     Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> > > 
> > > and
> > > 
> > > diff --git a/src/sna/kgem.c b/src/sna/kgem.c
> > > index 82199a1..68b0917 100644
> > > --- a/src/sna/kgem.c
> > > +++ b/src/sna/kgem.c
> > > @@ -61,7 +61,7 @@ static struct kgem_bo *
> > >  search_snoop_cache(struct kgem *kgem, unsigned int num_pages, unsigned
> > > flags);
> > >  
> > >  #define DBG_NO_HW 0
> > > -#define DBG_NO_EXEC 0
> > > +#define DBG_NO_EXEC 1
> > >  #define DBG_NO_TILING 0
> > >  #define DBG_NO_CACHE 0
> > >  #define DBG_NO_CACHE_LEVEL 0
> > > 
> > > That will isolate the fault in either the driver or the hardware.
> > 
> > 
> > Sorry, I did't find this commit in -nightly -fixes and -next-queued branch,
> > could you tell me, which branch this commit in? Thanks.
> 
> xf86-video-intel.

Reset to commit b12bc035fb8ee40bb382e66604e869b729270189 and patched, then
build it with latest unstable X11R7, the screen unable to display after start
X.

output after start X:
[root at x-bdw08 opt]# xinit &
[1] 4553
_XSERVTransSocketOpenCOTSServer: Unable to open socket for inet6
_XSERVTransOpen: transport open failed for inet6/x-bdw08:0
_XSERVTransMakeAllCOTSServerListeners: failed to open listener for inet6

This is a pre-release version of the X server from The X.Org Foundation.
It is not supported in any way.
Bugs may be filed in the bugzilla at http://bugs.freedesktop.org/.
Select the "xorg" product for bugs you find in this release.
Before reporting bugs in pre-release versions please check the
latest version in the X.Org Foundation git repository.
See http://wiki.x.org/wiki/GitPage for git access instructions.

X.Org X Server 1.15.99.902 (1.16.0 RC 2)
Release Date: 2014-04-08
X Protocol Version 11, Revision 0
Build Operating System: Linux 3.3.4-3.fc16.x86_64 x86_64
Current Operating System: Linux x-bdw08
3.15.0-rc2_drm-intel-nightly_11ddb5_20140428+ #2094 SMP Mon Apr 28 11:24:35 CST
2014 x86_64
Kernel command line:
BOOT_IMAGE=kernels//nightly_parents/2014_04_28/drm-intel-nightly/11ddb598492d1f97f894495eea398febb41a9eb0/bzImage_x86_64
root=/dev/sda4 drm.debug=0xe
modules_path=kernels//nightly_parents/2014_04_28/drm-intel-nightly/11ddb598492d1f97f894495eea398febb41a9eb0/modules_x86_64/lib/modules/3.15.0-rc2_drm-intel-nightly_11ddb5_20140428+
acpi_rsdp=0xab8e1014
Build Date: 27 April 2014  03:48:28PM

Current version of pixman: 0.33.1
        Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/opt/X11R7/var/log/Xorg.0.log", Time: Thu Dec 12 00:01:32 2013
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
xterm: cannot load font
'-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso10646-1'

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