Public bug reported:
Currently,
`$ sysctl kernel.core_pattern`
gives
`kernel.core_pattern = |/usr/share/apport/apport %p %s %c %d %P`
This should be considered a bug, since a minimal version of ubuntu or
even debian, and more notoriously when run from containers, this will
just error out, with no core dump being produced, due to the absence of
apport. Adding to the problem, is with container where you can't just
change it per container, and should be changed from the host. I think
using apport (a non essential package) as a default without thought as
to it's absence is not robust design.
There are multiple options to deal with this:
1. Drop apport as default and switch to a simple file in either /var/crash
(this requires creating /var/crash as a part of the installation), or /tmp
2. Switch to systemd-coredump, and default to it, since it already does this
very well and provides "coredumpctl" which is much nicer to work with.
systemd-coredump also is a part of the systemd suite of utils and doesn't pull
in a larger dependency as apport -- which to date, isn't as robust (I still
have "core" files being left all over the place by apport, mostly in my home
folder). This also has a nice advantage of unifying the OSS community in terms
of coredump handler.
3. Employ a tiny helper script, as the default core dump handler, which looks
for specified programs such as "apport", "abrt", systemd-coredump" and pipes to
them, or pipes it to /var/crash, or /tmp during it's absence.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: procps 2:3.3.15-2ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-13.14-generic 4.18.17
Uname: Linux 4.18.0-13-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat Jan 26 20:33:55 2019
InstallationDate: Installed on 2019-01-01 (25 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
SourcePackage: procps
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.apport.crashdb.conf: [modified]
mtime.conffile..etc.apport.crashdb.conf: 2019-01-15T04:51:59.517661
** Affects: procps (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cosmic
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https://bugs.launchpad.net/bugs/1813403
Title:
Better kernel core dump defaults
Status in procps package in Ubuntu:
New
Bug description:
Currently,
`$ sysctl kernel.core_pattern`
gives
`kernel.core_pattern = |/usr/share/apport/apport %p %s %c %d %P`
This should be considered a bug, since a minimal version of ubuntu or
even debian, and more notoriously when run from containers, this will
just error out, with no core dump being produced, due to the absence
of apport. Adding to the problem, is with container where you can't
just change it per container, and should be changed from the host. I
think using apport (a non essential package) as a default without
thought as to it's absence is not robust design.
There are multiple options to deal with this:
1. Drop apport as default and switch to a simple file in either /var/crash
(this requires creating /var/crash as a part of the installation), or /tmp
2. Switch to systemd-coredump, and default to it, since it already does this
very well and provides "coredumpctl" which is much nicer to work with.
systemd-coredump also is a part of the systemd suite of utils and doesn't pull
in a larger dependency as apport -- which to date, isn't as robust (I still
have "core" files being left all over the place by apport, mostly in my home
folder). This also has a nice advantage of unifying the OSS community in terms
of coredump handler.
3. Employ a tiny helper script, as the default core dump handler, which looks
for specified programs such as "apport", "abrt", systemd-coredump" and pipes to
them, or pipes it to /var/crash, or /tmp during it's absence.
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: procps 2:3.3.15-2ubuntu1
ProcVersionSignature: Ubuntu 4.18.0-13.14-generic 4.18.17
Uname: Linux 4.18.0-13-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat Jan 26 20:33:55 2019
InstallationDate: Installed on 2019-01-01 (25 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.3)
SourcePackage: procps
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.apport.crashdb.conf: [modified]
mtime.conffile..etc.apport.crashdb.conf: 2019-01-15T04:51:59.517661
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