Public bug reported:
I wanted to run my 14.10 (Utopic) i386 system with the amd64 kernel, so
I added that architecture and apt-get-installed the amd64 linux-image
and linux-image-extra (I learned this was possible thanks to the advice
at http://askubuntu.com/a/635774/19753 ).
However, the system upstart procedure more often fails than not: it
fails by rebooting the computer. (Only around 1 time of 4 is
successful.)
A limited system start is (probably, always) successful: either with
init=/bin/bash parameter to the kernel, or choosing the recovery boot
option. (However, if I "resume" from the recovery menu, or run "exec
init" in bash, then the upstart procedure is similarly unstable: it
usually fails/crashes and reboots.)
I checked my suspection that the video driver (nouveau) and X might be
involved, but that turned out not true: the upstart procedure is
similarly unstable with "nomodesetting" kernel parameter and without,
booting into runlevel 3 or the default one.
Perhaps, I'd like to debug the upstart procedure step-by-step to detect
which step makes the system crash and reboot, but I don't know how. As
concerns the timing, the moment the reboot happens can be different: it
can happen rather early (when I see the message about activating the
swap) or much later.
If the system upstart procedure has completed successfully, then it
works in a quite stable manner and doesn't crash/reboot. So, there is
something bad specifically during the system upstart procedure.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: upstart 1.13.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-44.59-generic 3.16.7-ckt14
Uname: Linux 3.16.0-44-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.5
Architecture: i386
CurrentDesktop: Unity
Date: Sat Sep 12 18:36:28 2015
InstallationDate: Installed on 2014-06-04 (464 days ago)
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release i386
(20140204)
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.16.0-44-generic
root=UUID=980299a2-fde5-4f39-acb0-189f528b8485 ro nosplash
SourcePackage: upstart
UpgradeStatus: Upgraded to utopic on 2015-09-11 (0 days ago)
UpstartBugCategory: System
UpstartRunningSessionVersion: upstart 1.13.2
UpstartRunningSystemVersion: init (upstart 1.13.2)
modified.conffile..etc.at.deny: [inaccessible: [Errno 13] Отказано в доступе:
'/etc/at.deny']
modified.conffile..etc.cron.daily.upstart: [modified]
modified.conffile..etc.cups.cups.browsed.conf: [modified]
modified.conffile..etc.default.apport: [modified]
modified.conffile..etc.default.cups: [modified]
modified.conffile..etc.init.d.binfmt.support: [modified]
mtime.conffile..etc.X11.Xsession.d.99upstart: 2014-09-30T12:21:08
mtime.conffile..etc.cron.daily.upstart: 2014-09-30T12:27:13
mtime.conffile..etc.cups.cups.browsed.conf: 2015-09-06T09:29:16.410097
mtime.conffile..etc.default.apport: 2014-06-05T12:49:10.316398
mtime.conffile..etc.default.cups: 2015-09-06T09:20:49.891585
mtime.conffile..etc.init.d.binfmt.support: 2014-09-30T12:21:08
mtime.conffile..etc.upstart.xsessions: 2014-09-30T12:21:08
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Affects: upstart (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug i386 utopic
** Also affects: linux-meta (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1495116
Title:
booting with amd64 kernel and completely i386 userland is unstable
during the system upstart
Status in linux package in Ubuntu:
New
Status in upstart package in Ubuntu:
New
Bug description:
I wanted to run my 14.10 (Utopic) i386 system with the amd64 kernel,
so I added that architecture and apt-get-installed the amd64 linux-
image and linux-image-extra (I learned this was possible thanks to the
advice at http://askubuntu.com/a/635774/19753 ).
However, the system upstart procedure more often fails than not: it
fails by rebooting the computer. (Only around 1 time of 4 is
successful.)
A limited system start is (probably, always) successful: either with
init=/bin/bash parameter to the kernel, or choosing the recovery boot
option. (However, if I "resume" from the recovery menu, or run "exec
init" in bash, then the upstart procedure is similarly unstable: it
usually fails/crashes and reboots.)
I checked my suspection that the video driver (nouveau) and X might
be involved, but that turned out not true: the upstart procedure is
similarly unstable with "nomodesetting" kernel parameter and without,
booting into runlevel 3 or the default one.
Perhaps, I'd like to debug the upstart procedure step-by-step to
detect which step makes the system crash and reboot, but I don't know
how. As concerns the timing, the moment the reboot happens can be
different: it can happen rather early (when I see the message about
activating the swap) or much later.
If the system upstart procedure has completed successfully, then it
works in a quite stable manner and doesn't crash/reboot. So, there is
something bad specifically during the system upstart procedure.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: upstart 1.13.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-44.59-generic 3.16.7-ckt14
Uname: Linux 3.16.0-44-generic x86_64
ApportVersion: 2.14.7-0ubuntu8.5
Architecture: i386
CurrentDesktop: Unity
Date: Sat Sep 12 18:36:28 2015
InstallationDate: Installed on 2014-06-04 (464 days ago)
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release i386
(20140204)
ProcKernelCmdline: BOOT_IMAGE=/boot/vmlinuz-3.16.0-44-generic
root=UUID=980299a2-fde5-4f39-acb0-189f528b8485 ro nosplash
SourcePackage: upstart
UpgradeStatus: Upgraded to utopic on 2015-09-11 (0 days ago)
UpstartBugCategory: System
UpstartRunningSessionVersion: upstart 1.13.2
UpstartRunningSystemVersion: init (upstart 1.13.2)
modified.conffile..etc.at.deny: [inaccessible: [Errno 13] Отказано в доступе:
'/etc/at.deny']
modified.conffile..etc.cron.daily.upstart: [modified]
modified.conffile..etc.cups.cups.browsed.conf: [modified]
modified.conffile..etc.default.apport: [modified]
modified.conffile..etc.default.cups: [modified]
modified.conffile..etc.init.d.binfmt.support: [modified]
mtime.conffile..etc.X11.Xsession.d.99upstart: 2014-09-30T12:21:08
mtime.conffile..etc.cron.daily.upstart: 2014-09-30T12:27:13
mtime.conffile..etc.cups.cups.browsed.conf: 2015-09-06T09:29:16.410097
mtime.conffile..etc.default.apport: 2014-06-05T12:49:10.316398
mtime.conffile..etc.default.cups: 2015-09-06T09:20:49.891585
mtime.conffile..etc.init.d.binfmt.support: 2014-09-30T12:21:08
mtime.conffile..etc.upstart.xsessions: 2014-09-30T12:21:08
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