** Description changed: Binary package hint: cernlib + + update-inetd's Perl module will start, stop, or restart the installed + inetd as appropriate, by calling "invoke-rc.d $service $action". + However, if a postinst calling update-inetd is also using the debconf + shell script module, it will have an open fd 3 which it uses to + communicate with debconf. + + openbsd-inetd, at least, doesn't clean up file descriptors when it + starts, meaning it keeps the fd 3 which was opened by the shell script, + then passed to update-inetd, then passed to invoke-rc.d, then passed to + inetd. + + The debconf frontend waits for that fd to close to indicate that the + postinst is finished running. Since inetd has the fd open forever, that + doesn't happen, and the postinst hangs. + + IMPACT: Installing a package that uses update-intd and debconf when + inetd previously had no jobs configured will hang. + + DEVELOPMENT: This was fixed in update-inetd 4.38 by having update- + inetd's Perl module explicitly close fd 3 when it starts inetd. + + PATCH: Available in the associated branches (~broder/ubuntu/maverick + /update-inetd/fix-601732 and ~broder/ubuntu/lucid/update- + inetd/fix-601732). In both cases, the fix is a direct, unmodified + backport of the patch from update-inetd 4.38. It applied to both without + any fuzz. + + INSTRUCTIONS: + 1. Make sure that inetd is stopped, and has no services configured. + 2. Install pawserv or approx or any package that uses both inetd and debconf. + 3. Observe hang (or hopefully lack thereof) + + REGRESSION: Should be limited. The diff adds several lines of + explanatory comments, but only changes one line of code in a pretty + straightforward way. + + ======== + Old description [changed by broder] During postinst 'pawserv.postinst' become a zombie process - further installation/configuration of packages (using synaptic) has been possible by killing (15) 'frontend' process. ProblemType: Package DistroRelease: Ubuntu 10.04 Package: pawserv 2006.dfsg.2-14ubuntu2 ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5 Uname: Linux 2.6.32-23-generic x86_64 NonfreeKernelModules: nvidia Architecture: amd64 Date: Mon Jul 5 02:25:10 2010 ErrorMessage: subprocess installed post-installation script killed by signal (Terminated) InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) SourcePackage: cernlib Title: package pawserv 2006.dfsg.2-14ubuntu2 failed to install/upgrade: subprocess installed post-installation script killed by signal (Terminated)
** Description changed: Binary package hint: cernlib update-inetd's Perl module will start, stop, or restart the installed inetd as appropriate, by calling "invoke-rc.d $service $action". However, if a postinst calling update-inetd is also using the debconf shell script module, it will have an open fd 3 which it uses to communicate with debconf. openbsd-inetd, at least, doesn't clean up file descriptors when it starts, meaning it keeps the fd 3 which was opened by the shell script, then passed to update-inetd, then passed to invoke-rc.d, then passed to inetd. The debconf frontend waits for that fd to close to indicate that the postinst is finished running. Since inetd has the fd open forever, that doesn't happen, and the postinst hangs. IMPACT: Installing a package that uses update-intd and debconf when inetd previously had no jobs configured will hang. DEVELOPMENT: This was fixed in update-inetd 4.38 by having update- inetd's Perl module explicitly close fd 3 when it starts inetd. PATCH: Available in the associated branches (~broder/ubuntu/maverick /update-inetd/fix-601732 and ~broder/ubuntu/lucid/update- inetd/fix-601732). In both cases, the fix is a direct, unmodified backport of the patch from update-inetd 4.38. It applied to both without any fuzz. INSTRUCTIONS: - 1. Make sure that inetd is stopped, and has no services configured. - 2. Install pawserv or approx or any package that uses both inetd and debconf. - 3. Observe hang (or hopefully lack thereof) + 1. Make sure that inetd is stopped, and has no services configured. + 2. Install pawserv or approx or any package that uses both inetd and debconf. + 3. Observe hang (or hopefully lack thereof) REGRESSION: Should be limited. The diff adds several lines of explanatory comments, but only changes one line of code in a pretty straightforward way. ======== - Old description [changed by broder] + Old summary: package pawserv 2006.dfsg.2-14ubuntu2 failed to install/upgrade: postinst hang in /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/pawserv.postinst configure + + Old description [changed by broder]: During postinst 'pawserv.postinst' become a zombie process - further installation/configuration of packages (using synaptic) has been possible by killing (15) 'frontend' process. ProblemType: Package DistroRelease: Ubuntu 10.04 Package: pawserv 2006.dfsg.2-14ubuntu2 ProcVersionSignature: Ubuntu 2.6.32-23.37-generic 2.6.32.15+drm33.5 Uname: Linux 2.6.32-23-generic x86_64 NonfreeKernelModules: nvidia Architecture: amd64 Date: Mon Jul 5 02:25:10 2010 ErrorMessage: subprocess installed post-installation script killed by signal (Terminated) InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) SourcePackage: cernlib Title: package pawserv 2006.dfsg.2-14ubuntu2 failed to install/upgrade: subprocess installed post-installation script killed by signal (Terminated) ** Summary changed: - package pawserv 2006.dfsg.2-14ubuntu2 failed to install/upgrade: postinst hang in /usr/bin/perl -w /usr/share/debconf/frontend /var/lib/dpkg/info/pawserv.postinst configure + postinst using both update-inetd and debconf hangs on first install -- postinst using both update-inetd and debconf hangs on first install https://bugs.launchpad.net/bugs/601732 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs