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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Recent mesa git revisions cause frequent gpu hangs on radeonsi"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69340#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Recent mesa git revisions cause frequent gpu hangs on radeonsi"
href="https://bugs.freedesktop.org/show_bug.cgi?id=69340">bug 69340</a>
from <span class="vcard"><a class="email" href="mailto:dawitbro@sbcglobal.net" title="Dave Witbrodt <dawitbro@sbcglobal.net>"> <span class="fn">Dave Witbrodt</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=69340#c7">comment #7</a>)
Seeing Hohahiu's good news, I thought I would try updating Mesa again (commit
4b3c0a79). Now my desktop manager (lightdm) will not even start!
...
[ 83180.086] (II) [KMS] Kernel modesetting enabled.
[ 83180.086] (==) RADEON(0): Depth 24, (--) framebuffer bpp 32
[ 83180.086] (II) RADEON(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp
pixmaps)
[ 83180.086] (==) RADEON(0): Default visual is TrueColor
[ 83180.087] (**) RADEON(0): Option "ColorTiling" "on"
[ 83180.087] (**) RADEON(0): Option "ColorTiling2D" "on"
[ 83180.087] (**) RADEON(0): Option "AccelMethod" "glamor"
[ 83180.087] (**) RADEON(0): Option "SwapbuffersWait" "off"
[ 83180.087] (==) RADEON(0): RGB weight 888
[ 83180.087] (II) RADEON(0): Using 8 bits per RGB (8 bit DAC)
[ 83180.087] (--) RADEON(0): Chipset: "PITCAIRN" (ChipID = 0x6819)
[ 83180.087] (II) Loading sub module "dri2"
[ 83180.087] (II) LoadModule: "dri2"
[ 83180.087] (II) Module "dri2" already built-in
[ 83180.087] (II) Loading sub module "glamoregl"
[ 83180.087] (II) LoadModule: "glamoregl"
[ 83180.087] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[ 83180.087] (II) Module glamoregl: vendor="X.Org Foundation"
[ 83180.087] compiled for 1.14.2.902, module version = 0.5.1
[ 83180.087] ABI class: X.Org ANSI C Emulation, version 0.4
[ 83180.087] (II) glamor: OpenGL accelerated X.org driver based.
[ 83180.097] (II) glamor: EGL version 1.4 (DRI2):
[ 83180.105] (EE)
[ 83180.105] (EE) Backtrace:
[ 83180.105] (EE) 0: /usr/bin/X (xorg_backtrace+0x3d) [0x57c51d]
[ 83180.105] (EE) 1: /usr/bin/X (0x400000+0x17ffc9) [0x57ffc9]
[ 83180.105] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0
(0x7fec25304000+0xf210) [0x7fec25313210]
[ 83180.105] (EE) 3: /usr/lib/x86_64-linux-gnu/libLLVM-3.4.so.1
(_ZTIN4llvm18format_object_baseE+0x0) [0x7fec1f49d000]
[ 83180.105] (EE)
[ 83180.105] (EE) Segmentation fault at address 0x7fec1f49d000
[ 83180.105] (EE)
Fatal server error:
[ 83180.105] (EE) Caught signal 11 (Segmentation fault). Server aborting
[ 83180.105] (EE)
[ 83180.105] (EE)
Please consult the The X.Org Foundation support
at <a href="http://wiki.x.org">http://wiki.x.org</a>
for help.
[ 83180.105] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[ 83180.105] (EE)
[ 83180.112] (EE) Server terminated with error (1). Closing log file.
Oh happy happy joy joy!! I had just rebuilt Mesa, xorg-server, glamor-egl, and
xf86-video-ati... hoping for the best.
Unfortunately, I have no time to look into this right now. It seems to be
related to LLVM and/or glamor. I had to downgrade to the last working versions
of everything.</pre>
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