thanks for the report and link to the patch. I have uploaded a fixed package to -proposed please test it when it has been accepted.
** Description changed: - It appears that uwsgi-plugin-psgi does not load libperl.so and therefore - the package is unusable. + Impact: + It appears that uwsgi-plugin-psgi does not load libperl.so and therefore the package is unusable. - How to test: + Fix: the psgi plugin uses LDFLAGS to link with libraries so they are ordered wrong on the command line (due to ld --as-needed) so it ends up not linking against them at all. + the fix is to add the libraries to LIBS + The same fix is applied in upstream and quantal. + + TESTCASE: 1. # apt-get install uwsgi uwsgi-plugin-psgi 2. # vi /etc/uwsgi/apps-available/test.yaml Put the following contents there: ---cut-here--- uwsgi: - plugins: psgi - psgi: /dev/null + plugins: psgi + psgi: /dev/null ---cut-here--- 3. # ln -s /etc/uwsgi/apps-available/test.yaml /etc/uwsgi/apps-enabled/ 4. # service uwsgi restart 5. # less /var/log/uwsgi/app/test.log Observe the following error message: /usr/lib/uwsgi/plugins/psgi_plugin.so: undefined symbol: boot_DynaLoader + The problem is obvious when looking at the uwsgi plugin file with ldd: + $ ldd /usr/lib/uwsgi/plugins/psgi_plugin.so + linux-vdso.so.1 => (0x00007fff395ff000) + libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f2f4a70d000) + libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f2f4a4f0000) + /lib64/ld-linux-x86-64.so.2 (0x00007f2f4acfe000) - The problem is obvious when looking at the uwsgi plugin file with ldd: - $ ldd /usr/lib/uwsgi/plugins/psgi_plugin.so - linux-vdso.so.1 => (0x00007fff395ff000) - libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f2f4a70d000) - libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f2f4a4f0000) - /lib64/ld-linux-x86-64.so.2 (0x00007f2f4acfe000) + Regression potential: + only a change in the linking of a single plugin and the plugin is unusable without the fix + low risk of regressions + + + rest of original report: It does not load the perl shared library! - - As a workaround I retrieved the current source package version 1.2.3+dfsg-2~experimental1 from Debian and built it on Ubuntu precise. It works fine (and gives excellent PSGI performance :). + As a workaround I retrieved the current source package version + 1.2.3+dfsg-2~experimental1 from Debian and built it on Ubuntu precise. + It works fine (and gives excellent PSGI performance :). Compare the ldd output: - $ ldd /usr/lib/uwsgi/plugins/psgi_plugin.so - linux-vdso.so.1 => (0x00007fffa33ff000) - libperl.so.5.14 => /usr/lib/libperl.so.5.14 (0x00007fbf47482000) - libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fbf47265000) - libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fbf46ea7000) - libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fbf46ca3000) - libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fbf469a9000) - libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007fbf4676f000) - /lib64/ld-linux-x86-64.so.2 (0x00007fbf47a13000) + $ ldd /usr/lib/uwsgi/plugins/psgi_plugin.so + linux-vdso.so.1 => (0x00007fffa33ff000) + libperl.so.5.14 => /usr/lib/libperl.so.5.14 (0x00007fbf47482000) + libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fbf47265000) + libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fbf46ea7000) + libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fbf46ca3000) + libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fbf469a9000) + libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007fbf4676f000) + /lib64/ld-linux-x86-64.so.2 (0x00007fbf47a13000) The working version of the plugin depends on libperl.so while the non- working version does not. I think the problem has been fixed by this upstream commit: https://github.com/unbit/uwsgi/commit/15aaddb4d306912c2cb570cb47a82a68b900a27a See the changes in plugins/psgi/uwsgiplugin.py ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: uwsgi-plugin-psgi 1.0.3+dfsg-1 ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18 Uname: Linux 3.2.0-25-generic x86_64 ApportVersion: 2.0.1-0ubuntu8 Architecture: amd64 Date: Sat Jul 14 01:57:46 2012 InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110920.2) ProcEnviron: - LANGUAGE=en_US:en - TERM=xterm - PATH=(custom, user) - LANG=en_US.UTF-8 - SHELL=/bin/bash + LANGUAGE=en_US:en + TERM=xterm + PATH=(custom, user) + LANG=en_US.UTF-8 + SHELL=/bin/bash SourcePackage: uwsgi UpgradeStatus: Upgraded to precise on 2012-04-27 (77 days ago) ** Description changed: Impact: It appears that uwsgi-plugin-psgi does not load libperl.so and therefore the package is unusable. Fix: the psgi plugin uses LDFLAGS to link with libraries so they are ordered wrong on the command line (due to ld --as-needed) so it ends up not linking against them at all. the fix is to add the libraries to LIBS The same fix is applied in upstream and quantal. TESTCASE: 1. # apt-get install uwsgi uwsgi-plugin-psgi 2. # vi /etc/uwsgi/apps-available/test.yaml Put the following contents there: ---cut-here--- uwsgi: plugins: psgi psgi: /dev/null ---cut-here--- 3. # ln -s /etc/uwsgi/apps-available/test.yaml /etc/uwsgi/apps-enabled/ 4. # service uwsgi restart 5. # less /var/log/uwsgi/app/test.log Observe the following error message: /usr/lib/uwsgi/plugins/psgi_plugin.so: undefined symbol: boot_DynaLoader The problem is obvious when looking at the uwsgi plugin file with ldd: $ ldd /usr/lib/uwsgi/plugins/psgi_plugin.so linux-vdso.so.1 => (0x00007fff395ff000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f2f4a70d000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f2f4a4f0000) /lib64/ld-linux-x86-64.so.2 (0x00007f2f4acfe000) + Compare the ldd output of the fixed plugin: + $ ldd /usr/lib/uwsgi/plugins/psgi_plugin.so + linux-vdso.so.1 => (0x00007fffa33ff000) + libperl.so.5.14 => /usr/lib/libperl.so.5.14 (0x00007fbf47482000) + libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fbf47265000) + libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fbf46ea7000) + libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fbf46ca3000) + libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fbf469a9000) + libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007fbf4676f000) + /lib64/ld-linux-x86-64.so.2 (0x00007fbf47a13000) + Regression potential: only a change in the linking of a single plugin and the plugin is unusable without the fix low risk of regressions rest of original report: It does not load the perl shared library! As a workaround I retrieved the current source package version 1.2.3+dfsg-2~experimental1 from Debian and built it on Ubuntu precise. It works fine (and gives excellent PSGI performance :). - - Compare the ldd output: - $ ldd /usr/lib/uwsgi/plugins/psgi_plugin.so - linux-vdso.so.1 => (0x00007fffa33ff000) - libperl.so.5.14 => /usr/lib/libperl.so.5.14 (0x00007fbf47482000) - libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fbf47265000) - libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fbf46ea7000) - libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fbf46ca3000) - libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fbf469a9000) - libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007fbf4676f000) - /lib64/ld-linux-x86-64.so.2 (0x00007fbf47a13000) The working version of the plugin depends on libperl.so while the non- working version does not. I think the problem has been fixed by this upstream commit: https://github.com/unbit/uwsgi/commit/15aaddb4d306912c2cb570cb47a82a68b900a27a See the changes in plugins/psgi/uwsgiplugin.py ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: uwsgi-plugin-psgi 1.0.3+dfsg-1 ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18 Uname: Linux 3.2.0-25-generic x86_64 ApportVersion: 2.0.1-0ubuntu8 Architecture: amd64 Date: Sat Jul 14 01:57:46 2012 InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110920.2) ProcEnviron: LANGUAGE=en_US:en TERM=xterm PATH=(custom, user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: uwsgi UpgradeStatus: Upgraded to precise on 2012-04-27 (77 days ago) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1024528 Title: psgi_plugin.so: undefined symbol: boot_DynaLoader To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/uwsgi/+bug/1024528/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
