[Group.of.nepali.translators] [Bug 1564156] Re: xenial: invalid opcode when using llvmpipe

[Mathew Hodson]

** No longer affects: mesa (Ubuntu Xenial)

** No longer affects: mesa (Ubuntu)

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Title:
  xenial: invalid opcode when using llvmpipe

Status in OEM Priority Project:
  Fix Released
Status in System76:
  Fix Released
Status in Release Notes for Ubuntu:
  Fix Released
Status in llvm-toolchain-3.8 package in Ubuntu:
  Fix Released
Status in llvm-toolchain-3.8 source package in Xenial:
  Fix Released

Bug description:
  [Description updated to reflect state of 16.04 release ISO]

  == In summary ==

  If you have an Intel Skylake (6th gen) CPU and an NVIDIA GPU (or
  possibly other GPUs that likewise require use of the llvmpipe opengl
  software fallback), a work-around is needed to install Ubuntu 16.04
  desktop.

  To work-around this, you'll need to:

  1) Choose "Install Ubuntu" in the pre-boot menu (rather than "Try
  Ubuntu without installing")

  2) Check "Download updates while installing Ubuntu"

  ** Note: "Download updates while installing Ubuntu" doesn't currently
  seem to be working. If after installing 16.04 on effected Skylake
  hardware you find that Unity/Compiz is broken, switch to a VT with
  Control+Alt+F1, login, and then run:

  sudo apt-get update
  sudo apt-get dist-upgrade

  You should see the `libllvm3.8` package get updated. After a reboot,
  Unity/Compiz should be working.

  == In detail ==

  The Ubuntu 16.04 desktop ISOs include libllvm3.8 1:3.8-2ubuntu1, which
  has a bug that results in invalid JIT code generation when using the
  mesa llvmpipe opengl software fallback on Skylake CPUs.

  When you encounter this bug, Unity/Compiz will fail to start, and
  you'll see something like this in dmesg:

  [ 2092.557913] traps: compiz[10155] trap invalid opcode
  ip:7efc940030d4 sp:7ffccd914ea0 error:0

  libllvm3.8 1:3.8-2ubuntu3 fixes this issue, but the fix did not make
  it onto the 16.04 release ISOs. It will be included on the 16.04.1
  ISOs.

To manage notifications about this bug go to:
https://bugs.launchpad.net/oem-priority/+bug/1564156/+subscriptions

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[Group.of.nepali.translators] [Bug 1564156] Re: xenial: invalid opcode when using llvmpipe

[Ara Pulido]

** Changed in: oem-priority
   Status: Fix Committed => Fix Released

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Title:
  xenial: invalid opcode when using llvmpipe

Status in OEM Priority Project:
  Fix Released
Status in System76:
  Fix Released
Status in Release Notes for Ubuntu:
  Fix Released
Status in llvm-toolchain-3.8 package in Ubuntu:
  Fix Released
Status in mesa package in Ubuntu:
  Confirmed
Status in llvm-toolchain-3.8 source package in Xenial:
  Fix Released
Status in mesa source package in Xenial:
  Confirmed

Bug description:
  [Description updated to reflect state of 16.04 release ISO]

  == In summary ==

  If you have an Intel Skylake (6th gen) CPU and an NVIDIA GPU (or
  possibly other GPUs that likewise require use of the llvmpipe opengl
  software fallback), a work-around is needed to install Ubuntu 16.04
  desktop.

  To work-around this, you'll need to:

  1) Choose "Install Ubuntu" in the pre-boot menu (rather than "Try
  Ubuntu without installing")

  2) Check "Download updates while installing Ubuntu"

  ** Note: "Download updates while installing Ubuntu" doesn't currently
  seem to be working. If after installing 16.04 on effected Skylake
  hardware you find that Unity/Compiz is broken, switch to a VT with
  Control+Alt+F1, login, and then run:

  sudo apt-get update
  sudo apt-get dist-upgrade

  You should see the `libllvm3.8` package get updated. After a reboot,
  Unity/Compiz should be working.

  == In detail ==

  The Ubuntu 16.04 desktop ISOs include libllvm3.8 1:3.8-2ubuntu1, which
  has a bug that results in invalid JIT code generation when using the
  mesa llvmpipe opengl software fallback on Skylake CPUs.

  When you encounter this bug, Unity/Compiz will fail to start, and
  you'll see something like this in dmesg:

  [ 2092.557913] traps: compiz[10155] trap invalid opcode
  ip:7efc940030d4 sp:7ffccd914ea0 error:0

  libllvm3.8 1:3.8-2ubuntu3 fixes this issue, but the fix did not make
  it onto the 16.04 release ISOs. It will be included on the 16.04.1
  ISOs.

To manage notifications about this bug go to:
https://bugs.launchpad.net/oem-priority/+bug/1564156/+subscriptions

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[Group.of.nepali.translators] [Bug 1564156] Re: xenial: invalid opcode when using llvmpipe

[Jason Gerard DeRose]

** Description changed:

  [Description updated to reflect state of 16.04 release ISO]
  
  == In summary ==
  
  If you have an Intel Skylake (6th gen) CPU and an NVIDIA GPU (or
  possibly other GPUs that likewise require use of the llvmpipe opengl
  software fallback), a work-around is needed to install Ubuntu 16.04
  desktop.
  
  To work-around this, you'll need to:
  
  1) Choose "Install Ubuntu" in the pre-boot menu (rather than "Try Ubuntu
  without installing")
  
  2) Check "Download updates while installing Ubuntu"
  
- ** Note the above work-around wont work till 
- llvm-toolchain-3.8 1:3.8-2ubuntu3 lands in xenial-updates (it's currently 
only in xenial-proposed). FIXME: update description once this happens.
- 
  == In detail ==
  
  The Ubuntu 16.04 desktop ISOs includes libllvm3.8 1:3.8-2ubuntu1, which
  has a bug that results in invalid JIT code generation when using the
  mesa llvmpipe opengl software fallback on Skylake CPUs.
  
  When you encounter this bug, Unity/Compiz will fail to start, and you'll
  see something like this in dmesg:
  
  [ 2092.557913] traps: compiz[10155] trap invalid opcode ip:7efc940030d4
  sp:7ffccd914ea0 error:0
  
  libllvm3.8 1:3.8-2ubuntu3 fixes this issue, but the fix did not make it
- onto the 16.04 release ISO. It will be included on the 16.04.1 ISO.
+ onto the 16.04 release ISOs. It will be included on the 16.04.1 ISOs.

** Changed in: system76
   Status: Fix Committed => Fix Released

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Title:
  xenial: invalid opcode when using llvmpipe

Status in OEM Priority Project:
  Fix Committed
Status in System76:
  Fix Released
Status in Release Notes for Ubuntu:
  Fix Released
Status in llvm-toolchain-3.8 package in Ubuntu:
  Fix Released
Status in mesa package in Ubuntu:
  Confirmed
Status in llvm-toolchain-3.8 source package in Xenial:
  Fix Released
Status in mesa source package in Xenial:
  Confirmed

Bug description:
  [Description updated to reflect state of 16.04 release ISO]

  == In summary ==

  If you have an Intel Skylake (6th gen) CPU and an NVIDIA GPU (or
  possibly other GPUs that likewise require use of the llvmpipe opengl
  software fallback), a work-around is needed to install Ubuntu 16.04
  desktop.

  To work-around this, you'll need to:

  1) Choose "Install Ubuntu" in the pre-boot menu (rather than "Try
  Ubuntu without installing")

  2) Check "Download updates while installing Ubuntu"

  == In detail ==

  The Ubuntu 16.04 desktop ISOs includes libllvm3.8 1:3.8-2ubuntu1,
  which has a bug that results in invalid JIT code generation when using
  the mesa llvmpipe opengl software fallback on Skylake CPUs.

  When you encounter this bug, Unity/Compiz will fail to start, and
  you'll see something like this in dmesg:

  [ 2092.557913] traps: compiz[10155] trap invalid opcode
  ip:7efc940030d4 sp:7ffccd914ea0 error:0

  libllvm3.8 1:3.8-2ubuntu3 fixes this issue, but the fix did not make
  it onto the 16.04 release ISOs. It will be included on the 16.04.1
  ISOs.

To manage notifications about this bug go to:
https://bugs.launchpad.net/oem-priority/+bug/1564156/+subscriptions

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[Group.of.nepali.translators] [Bug 1564156] Re: xenial: invalid opcode when using llvmpipe

[Launchpad Bug Tracker]

This bug was fixed in the package llvm-toolchain-3.8 - 1:3.8-2ubuntu3

---
llvm-toolchain-3.8 (1:3.8-2ubuntu3) xenial; urgency=medium

  * rules: Allow LLVM tests to fail on i386, we know dropping AVX512 breaks
them.

llvm-toolchain-3.8 (1:3.8-2ubuntu2) xenial; urgency=medium

  * drop-avx512-from-skylake.diff: Don't enable AVX512 on Skylake, as it's
a server cpu feature and breaks llvmpipe on workstations. (LP: #1564156)

 -- Timo Aaltonen   Thu, 21 Apr 2016 08:16:04 +0300

** Changed in: llvm-toolchain-3.8 (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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Matching subscriptions: Ubuntu 16.04 Bugs
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Title:
  xenial: invalid opcode when using llvmpipe

Status in OEM Priority Project:
  Fix Committed
Status in System76:
  Fix Committed
Status in Release Notes for Ubuntu:
  Fix Released
Status in llvm-toolchain-3.8 package in Ubuntu:
  Fix Released
Status in mesa package in Ubuntu:
  Confirmed
Status in llvm-toolchain-3.8 source package in Xenial:
  Fix Released
Status in mesa source package in Xenial:
  Confirmed

Bug description:
  [Description updated to reflect state of 16.04 release ISO]

  == In summary ==

  If you have an Intel Skylake (6th gen) CPU and an NVIDIA GPU (or
  possibly other GPUs that likewise require use of the llvmpipe opengl
  software fallback), a work-around is needed to install Ubuntu 16.04
  desktop.

  To work-around this, you'll need to:

  1) Choose "Install Ubuntu" in the pre-boot menu (rather than "Try
  Ubuntu without installing")

  2) Check "Download updates while installing Ubuntu"

  ** Note the above work-around wont work till 
  llvm-toolchain-3.8 1:3.8-2ubuntu3 lands in xenial-updates (it's currently 
only in xenial-proposed). FIXME: update description once this happens.

  == In detail ==

  The Ubuntu 16.04 desktop ISOs includes libllvm3.8 1:3.8-2ubuntu1,
  which has a bug that results in invalid JIT code generation when using
  the mesa llvmpipe opengl software fallback on Skylake CPUs.

  When you encounter this bug, Unity/Compiz will fail to start, and
  you'll see something like this in dmesg:

  [ 2092.557913] traps: compiz[10155] trap invalid opcode
  ip:7efc940030d4 sp:7ffccd914ea0 error:0

  libllvm3.8 1:3.8-2ubuntu3 fixes this issue, but the fix did not make
  it onto the 16.04 release ISO. It will be included on the 16.04.1 ISO.

To manage notifications about this bug go to:
https://bugs.launchpad.net/oem-priority/+bug/1564156/+subscriptions

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[Group.of.nepali.translators] [Bug 1564156] Re: xenial: invalid opcode when using llvmpipe

[Launchpad Bug Tracker]

This bug was fixed in the package llvm-toolchain-3.8 - 1:3.8-2ubuntu3

---
llvm-toolchain-3.8 (1:3.8-2ubuntu3) xenial; urgency=medium

  * rules: Allow LLVM tests to fail on i386, we know dropping AVX512 breaks
them.

llvm-toolchain-3.8 (1:3.8-2ubuntu2) xenial; urgency=medium

  * drop-avx512-from-skylake.diff: Don't enable AVX512 on Skylake, as it's
a server cpu feature and breaks llvmpipe on workstations. (LP: #1564156)

 -- Timo Aaltonen   Thu, 21 Apr 2016 08:16:04 +0300

** Changed in: llvm-toolchain-3.8 (Ubuntu)
   Status: Fix Committed => Fix Released

-- 
You received this bug notification because you are a member of नेपाली
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Matching subscriptions: Ubuntu 16.04 Bugs
https://bugs.launchpad.net/bugs/1564156

Title:
  xenial: invalid opcode when using llvmpipe

Status in OEM Priority Project:
  Fix Committed
Status in System76:
  Fix Committed
Status in Release Notes for Ubuntu:
  Fix Released
Status in llvm-toolchain-3.8 package in Ubuntu:
  Fix Released
Status in mesa package in Ubuntu:
  New
Status in llvm-toolchain-3.8 source package in Xenial:
  Fix Committed
Status in mesa source package in Xenial:
  New

Bug description:
  [Description updated to reflect state of 16.04 release ISO]

  == In summary ==

  If you have an Intel Skylake (6th gen) CPU and an NVIDIA GPU (or
  possibly other GPUs that likewise require use of the llvmpipe opengl
  software fallback), a work-around is needed to install Ubuntu 16.04
  desktop.

  To work-around this, you'll need to:

  1) Choose "Install Ubuntu" in the pre-boot menu (rather than "Try
  Ubuntu without installing")

  2) Check "Download updates while installing Ubuntu"

  ** Note the above work-around wont work till 
  llvm-toolchain-3.8 1:3.8-2ubuntu3 lands in xenial-updates (it's currently 
only in xenial-proposed). FIXME: update description once this happens.

  == In detail ==

  The Ubuntu 16.04 desktop ISOs includes libllvm3.8 1:3.8-2ubuntu1,
  which has a bug that results in invalid JIT code generation when using
  the mesa llvmpipe opengl software fallback on Skylake CPUs.

  When you encounter this bug, Unity/Compiz will fail to start, and
  you'll see something like this in dmesg:

  [ 2092.557913] traps: compiz[10155] trap invalid opcode
  ip:7efc940030d4 sp:7ffccd914ea0 error:0

  libllvm3.8 1:3.8-2ubuntu3 fixes this issue, but the fix did not make
  it onto the 16.04 release ISO. It will be included on the 16.04.1 ISO.

To manage notifications about this bug go to:
https://bugs.launchpad.net/oem-priority/+bug/1564156/+subscriptions

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[Group.of.nepali.translators] [Bug 1564156] Re: xenial: invalid opcode when using llvmpipe

[Mathew Hodson]

** Also affects: ubuntu-release-notes
   Importance: Undecided
   Status: New

** Changed in: ubuntu-release-notes
   Status: New => Fix Released

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Title:
  xenial: invalid opcode when using llvmpipe

Status in OEM Priority Project:
  New
Status in System76:
  Fix Committed
Status in Release Notes for Ubuntu:
  Fix Released
Status in llvm-toolchain-3.8 package in Ubuntu:
  Fix Committed
Status in mesa package in Ubuntu:
  New
Status in llvm-toolchain-3.8 source package in Xenial:
  Fix Committed
Status in mesa source package in Xenial:
  New

Bug description:
  [Description updated to reflect state of 16.04 release ISO]

  == In summary ==

  If you have an Intel Skylake (6th gen) CPU and an NVIDIA GPU (or
  possibly other GPUs that likewise require use of the llvmpipe opengl
  software fallback), a work-around is needed to install Ubuntu 16.04
  desktop.

  To work-around this, you'll need to:

  1) Choose "Install Ubuntu" in the pre-boot menu (rather than "Try
  Ubuntu without installing")

  2) Check "Download updates while installing Ubuntu"

  ** Note the above work-around wont work till 
  llvm-toolchain-3.8 1:3.8-2ubuntu3 lands in xenial-updates (it's currently 
only in xenial-proposed). FIXME: update description once this happens.

  == In detail ==

  The Ubuntu 16.04 desktop ISOs includes libllvm3.8 1:3.8-2ubuntu1,
  which has a bug that results in invalid JIT code generation when using
  the mesa llvmpipe opengl software fallback on Skylake CPUs.

  When you encounter this bug, Unity/Compiz will fail to start, and
  you'll see something like this in dmesg:

  [ 2092.557913] traps: compiz[10155] trap invalid opcode
  ip:7efc940030d4 sp:7ffccd914ea0 error:0

  libllvm3.8 1:3.8-2ubuntu3 fixes this issue, but the fix did not make
  it onto the 16.04 release ISO. It will be included on the 16.04.1 ISO.

To manage notifications about this bug go to:
https://bugs.launchpad.net/oem-priority/+bug/1564156/+subscriptions

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