[Bug 109534] Crash in Minecraft due to a swp[chan] assertion fail in src/gallium/drivers/r600/sb/sb_ir.cpp alu_packed_node::update_packed_items

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109534

Ian Campbell <ijc at hellion.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ijc at hellion.org.uk

--- Comment #4 from Ian Campbell <ijc at hellion.org.uk> ---
Created attachment 143606
  --> https://bugs.freedesktop.org/attachment.cgi?id=143606&action=edit
minecraft log with MESA_GLSL=dump ST_DEBUG=tgsi R600_DEBUG=vs,gs,ps

I'm seeing this too, so far only when opening a chest.

Based on this IRC snippet/log
https://people.freedesktop.org/~cbrill/dri-log/?channel=dri-devel&date=2016-04-17
I tried running it with `MESA_GLSL=dump ST_DEBUG=tgsi R600_DEBUG=vs,gs,ps` and
captured the attached.

```
$ lspci | grep VGA
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RV710
[Radeon HD 4350/4550]
```

I'm also running Debian Sid and there does seem to be some correlation with an
`dist-upgrade` I did on 3 March.


```
$ grep -iE '(upgrade|install) .*(mesa|radeon|xorg)' /var/log/dpkg.log 
2019-03-03 14:28:14 upgrade libdrm-radeon1:amd64 2.4.95-1 2.4.97-1
2019-03-03 14:28:14 upgrade libdrm-radeon1:i386 2.4.95-1 2.4.97-1
2019-03-03 14:28:25 upgrade libgl1-mesa-dev:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:25 upgrade libegl1-mesa-dev:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:26 upgrade mesa-common-dev:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:44 upgrade libosmesa6:i386 18.2.6-1 18.3.4-1
2019-03-03 14:28:45 upgrade libosmesa6:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:45 upgrade libglx-mesa0:i386 18.2.6-1 18.3.4-1
2019-03-03 14:28:46 upgrade libglx-mesa0:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:46 upgrade libglapi-mesa:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:47 upgrade libglapi-mesa:i386 18.2.6-1 18.3.4-1
2019-03-03 14:28:48 upgrade mesa-vdpau-drivers:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:49 upgrade mesa-vdpau-drivers:i386 18.2.6-1 18.3.4-1
2019-03-03 14:28:53 upgrade mesa-va-drivers:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:28:53 upgrade mesa-va-drivers:i386 18.2.6-1 18.3.4-1
2019-03-03 14:29:00 upgrade libgl1-mesa-dri:i386 18.2.6-1 18.3.4-1
2019-03-03 14:29:01 upgrade libgl1-mesa-dri:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:30:19 upgrade libegl-mesa0:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:32:09 upgrade libgl1-mesa-glx:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:32:09 upgrade libgl1-mesa-glx:i386 18.2.6-1 18.3.4-1
2019-03-03 14:45:26 upgrade libegl1-mesa:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:45:38 upgrade libgles2-mesa-dev:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:48:01 upgrade libwayland-egl1-mesa:amd64 18.2.6-1 18.3.4-1
2019-03-03 14:49:05 upgrade mesa-utils:amd64 8.4.0-1 8.4.0-1+b1
2019-03-03 14:49:05 install mesa-vulkan-drivers:i386 <none> 18.3.4-1
2019-03-03 14:56:28 upgrade xserver-xorg-video-amdgpu:amd64 18.1.0-1
18.1.99+git20190207-1
2019-03-03 14:56:29 upgrade xserver-xorg-video-radeon:amd64 1:18.1.0-1
1:18.1.99+git20190207-1
```

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