Your message dated Sun, 18 May 2014 21:25:19 +0000
with message-id <e1wm8a7-00069b...@franck.debian.org>
and subject line Bug#748569: fixed in llvm-toolchain-snapshot 1:3.5~svn209039-2
has caused the Debian Bug report #748569,
regarding libllvm3.5: Missing symlink to libLLVM-3.5.so after install
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact ow...@bugs.debian.org
immediately.)
--
748569: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=748569
Debian Bug Tracking System
Contact ow...@bugs.debian.org with problems
--- Begin Message ---
Package: libllvm3.5
Version: 1:3.5~svn209039-1
Severity: grave
Justification: causes non-serious data loss
Upgrading to this version caused X Windows to crash as soon as any attempt to
run an OpenGL application was made. It's possible that people could lose
data when X crashes this way that they really cannot afford to lose, so maybe
the severity should be changed to "critical".
After some investigation, I found out some extra details that I can report:
1) My desktop manager (lightdm, running Xfce on Sid) respawned and now
attempts to run OpenGL programs no longer crashed X, but they failed to run.
The xsession-errors log revealed that acceleration was not enabled.
2) I use the radeonsi Mesa driver for acceleration, and this requires the
glamor 2D driver. The Xorg.0.log file showed that the glamor module could
not locate a file -- libLLVM-3.5.0.so.1:
[ 31667.925] (EE) AIGLX error: dlopen of
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so failed (libLLVM-3.5.0.so.1: cannot
open shared object file: No such file or directory)
3) The contents of package libllvm3.5 do seem to include a symlink matching
the name of the missing file:
# dpkg-deb -c libllvm3.5_1%3a3.5~svn209039-1_amd64.deb
[...]
-rw-r--r-- root/root 30171784 2014-05-17 08:06
./usr/lib/x86_64-linux-gnu/libLLVM-3.5.so.1
[...]
lrwxrwxrwx root/root 0 2014-05-17 08:05
./usr/lib/x86_64-linux-gnu/libLLVM-3.5.0.so.1 -> libLLVM-3.5.so
This symlink is NOT present on my system after libllvm3.5 is installed by
my package manager.
4) I thought another LLVM 3.5 package might contain the file that the symlink
was
supposed to link to, and I found that in llvm-3.5-dev:
# dpkg-deb -c llvm-3.5-dev_1%3a3.5~svn209039-1_amd64.deb | grep "\.so"
-rw-r--r-- root/root 30171656 2014-05-17 08:06
./usr/lib/llvm-3.5/lib/libLLVM-3.5.so
[...]
lrwxrwxrwx root/root 0 2014-05-17 08:05
./usr/lib/llvm-3.5/lib/libLLVM-3.5.0.so ->
../../x86_64-linux-gnu/libLLVM-3.5.0.so.1
(Notice that libLLVM-3.5.0.so is supposed to be a symlink to the other symlink
which ends up not being present on my system after the upgrade.)
5) Inspecting /var/log/dpkg.log, it would seem that libllvm3.5 installs before
any
of the other LLVM-related packages. At that time, without llvm-3.5-dev present
to
provide libLLVM-3.5.so, it looks like the symlink gets dropped and does not get
installed.
6) As a workaround, I manually created a different symlink:
# cd /usr/lib/x86_64-linux-gnu
# ln -s -T libLLVM-3.5.so.1 libLLVM-3.5.0.so.1
This resulted in a fully working system, according to all of the testing I've
tried
so far. I do not know if this is the "correct" solution, but I just thought I'd
mention it, since it might allow you to package libllvm3.5 in such a way that it
installs correctly without depending on other packages being installed first.
In any case it is very bad if someone has a previous LLVM installed with working
acceleration, and then upgrading to a new version sets them up so that the
moment
they try to run an OpenGL program the X server dies on them! Fortunately, I am
using software not available in Debian repositories (like glamor) in order to
test the upstream radeonsi support (I need this for my Radeon HD 7850 GPU, which
requires radeonsi for acceleration), so few other people will be affected by
this bug right now.
HTH,
Dave Witbrodt
-- System Information:
Debian Release: jessie/sid
APT prefers unstable
APT policy: (990, 'unstable'), (350, 'experimental')
Architecture: amd64 (x86_64)
Kernel: Linux 3.14.4-1+dwlocal1 (SMP w/4 CPU cores; PREEMPT)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libllvm3.5 depends on:
ii libc6 2.18-6
ii libedit2 3.1-20140213-1
ii libffi6 3.1~rc1+r3.0.13-12
ii libgcc1 1:4.9.0-3
ii libstdc++6 4.9.0-3
ii libtinfo5 5.9+20140118-1
ii multiarch-support 2.18-6
libllvm3.5 recommends no packages.
libllvm3.5 suggests no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: llvm-toolchain-snapshot
Source-Version: 1:3.5~svn209039-2
We believe that the bug you reported is fixed in the latest version of
llvm-toolchain-snapshot, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to 748...@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Sylvestre Ledru <sylves...@debian.org> (supplier of updated
llvm-toolchain-snapshot package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmas...@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Sun, 18 May 2014 20:01:40 +0200
Source: llvm-toolchain-snapshot
Binary: clang-3.5 clang-format-3.5 cpp11-migrate-3.5 clang-modernize-3.5
clang-3.5-doc libclang1-3.5 libclang1-3.5-dbg libclang-3.5-dev
libclang-common-3.5-dev python-clang-3.5 clang-3.5-examples libllvm3.5
libllvm3.5-dbg llvm-3.5 llvm-3.5-runtime llvm-3.5-dev llvm-3.5-tools
libllvm-3.5-ocaml-dev llvm-3.5-doc llvm-3.5-examples lldb-3.5 lldb-3.5-dev
Architecture: source amd64 all
Version: 1:3.5~svn209039-2
Distribution: unstable
Urgency: medium
Maintainer: LLVM Packaging Team <pkg-llvm-t...@lists.alioth.debian.org>
Changed-By: Sylvestre Ledru <sylves...@debian.org>
Description:
clang-3.5 - C, C++ and Objective-C compiler (LLVM based)
clang-3.5-doc - C, C++ and Objective-C compiler (LLVM based) - Documentation
clang-3.5-examples - Clang examples
clang-format-3.5 - Tool to format C/C++/Obj-C code
clang-modernize-3.5 - Tool to convert C++98 and C++03 code to C++11
cpp11-migrate-3.5 - Tool to convert C++98 and C++03 code to C++11
libclang-3.5-dev - clang library - Development package
libclang-common-3.5-dev - clang library - Common development package
libclang1-3.5 - C interface to the clang library
libclang1-3.5-dbg - clang library
libllvm-3.5-ocaml-dev - Modular compiler and toolchain technologies, OCaml
bindings
libllvm3.5 - Modular compiler and toolchain technologies, runtime library
libllvm3.5-dbg - Modular compiler and toolchain technologies, debugging
libraries
lldb-3.5 - Next generation, high-performance debugger
lldb-3.5-dev - Next generation, high-performance debugger - Header files
llvm-3.5 - Modular compiler and toolchain technologies
llvm-3.5-dev - Modular compiler and toolchain technologies, libraries and
header
llvm-3.5-doc - Modular compiler and toolchain technologies, documentation
llvm-3.5-examples - Modular compiler and toolchain technologies, examples
llvm-3.5-runtime - Modular compiler and toolchain technologies, IR interpreter
llvm-3.5-tools - Modular compiler and toolchain technologies, tools
python-clang-3.5 - Clang Python Bindings
Closes: 748569
Changes:
llvm-toolchain-snapshot (1:3.5~svn209039-2) unstable; urgency=medium
.
* Provide a link as compatibility with previous lib name (Closes: #748569)
* Be less permissive when installing lldb. Remove duplication of the install
of liblldb.so.1
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