[Bug 72182] New: X segault at start with APU A4-1450 and radeonsi

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72182

          Priority: medium
            Bug ID: 72182
          Assignee: xorg-driver-ati at lists.x.org
           Summary: X segault at start with APU A4-1450 and radeonsi
        QA Contact: xorg-team at lists.x.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: rvdb at cryptolab.net
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Driver/Radeon
           Product: xorg

Created attachment 90038
  --> https://bugs.freedesktop.org/attachment.cgi?id=90038&action=edit
Xorg.0.log output

I'have a Samsung Ativ Book 9 Lite, with a AMD A4-1450 APU in it and have some
trouble with the graphic stack.
I use a Slackware current system and compiles my own 3.12.2 kernel, as well as
my libdrm, mesa, glamor, glamor-egl and xf86-video-ati drivers from today's
git.
Compilation works fine but when I start X11, I get a beautiful sefgault.
The following messages appear in /var/log/Xorg.0.log :

[  8285.245] (II) Loading sub module "dri2"
[  8285.245] (II) LoadModule: "dri2"
[  8285.245] (II) Module "dri2" already built-in
[  8285.245] (II) Loading sub module "glamoregl"
[  8285.245] (II) LoadModule: "glamoregl"
[  8285.247] (II) Loading /usr/lib64/xorg/modules/libglamoregl.so
[  8285.247] (II) Module glamoregl: vendor="X.Org Foundation"
[  8285.247]     compiled for 1.14.3, module version = 0.5.1
[  8285.247]     ABI class: X.Org ANSI C Emulation, version 0.4
[  8285.247] (II) glamor: OpenGL accelerated X.org driver based.
[  8285.315] (EE) 
[  8285.315] (EE) Backtrace:
[  8285.315] (EE) 0: /usr/bin/X (xorg_backtrace+0x3d) [0x57b11d]
[  8285.315] (EE) 1: /usr/bin/X (0x400000+0x17eb29) [0x57eb29]
[  8285.316] (EE) 2: /lib64/libpthread.so.0 (0x7fa5cb074000+0xf670)
[0x7fa5cb083670]
[  8285.316] (EE) 3: /usr/lib64/libX11-xcb.so.1 (XGetXCBConnection+0x7)
[0x7fa5c76a96a7]
[  8285.316] (EE) 4: /usr/lib64/libEGL.so.1 (0x7fa5c8b94000+0x14b59)
[0x7fa5c8ba8b59]
[  8285.316] (EE) 5: /usr/lib64/libEGL.so.1 (0x7fa5c8b94000+0xbb21)
[0x7fa5c8b9fb21]
[  8285.316] (EE) 6: /usr/lib64/libEGL.so.1 (0x7fa5c8b94000+0xbeec)
[0x7fa5c8b9feec]
[  8285.316] (EE) 7: /usr/lib64/libEGL.so.1 (eglInitialize+0x8a)
[0x7fa5c8b9af9a]
[  8285.316] (EE) 8: /usr/lib64/xorg/modules/libglamoregl.so
(glamor_egl_init+0xd2) [0x7fa5c8db3ef2]
[  8285.316] (EE) 9: /usr/lib64/xorg/modules/drivers/radeon_drv.so
(0x7fa5c624c000+0x4f1fd) [0x7fa5c629b1fd]
[  8285.316] (EE) 10: /usr/lib64/xorg/modules/drivers/radeon_drv.so
(0x7fa5c624c000+0x48073) [0x7fa5c6294073]
[  8285.316] (EE) 11: /usr/bin/X (InitOutput+0x9cf) [0x47635f]
[  8285.316] (EE) 12: /usr/bin/X (0x400000+0x251bb) [0x4251bb]
[  8285.316] (EE) 13: /lib64/libc.so.6 (__libc_start_main+0xf5)
[0x7fa5c91ecd85]
[  8285.316] (EE) 14: /usr/bin/X (0x400000+0x256f1) [0x4256f1]
[  8285.317] (EE) 
[  8285.317] (EE) Segmentation fault at address 0x1002ae05
[  8285.317] (EE) 
Fatal server error:
[  8285.317] (EE) Caught signal 11 (Segmentation fault). Server aborting
[  8285.317] (EE) 
[  8285.317] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[  8285.317] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[  8285.317] (EE) 
[  8285.338] (EE) Server terminated with error (1). Closing log file.

I currently disable DRI3 as the rest of the slackware stack doesn't support it.

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