Public bug reported:
This issue is completely random, and I haven't noticed anything in any
log to tie it into. I have not discovered any reported issues that
mirror this problem.
After upgrading from 8.10 to 9.04, system has simply powered off at
completely random intervals, during inactivity. As long as I'm actively
using it, everything is fine. But if system is unattended, it may shut
down.
This did not occur under 8.10. It does not suspend or hibernate. It is
a hard power-off action.
You can see in these log captures, that a shutdown occurred at 07:57 and
I restarted at 08:07. There seems to be nothing in the logs to give a
hint of what is leading to this. If there is somewhere else I can look,
please advise.
Unfortunately, this never happens when I am actually watching the
system, even if it's idle, so I've never noticed anything that can clue
me in to the cause. This most recent shutdown occurred after 4 days of
uptime, which is the longest it's gone yet. I was away from the system
for no more than 15 minutes. Thus far, these incidents have been
completely unpredictable.
A system info file is attached (generic H/W details), and log entries
are pasted here.
----------------
Syslog
May 15 07:47:12 Megatron dhclient: DHCPREQUEST of 172.19.67.241 on eth0 to
172.19.67.254 port 67
May 15 07:47:12 Megatron dhclient: DHCPACK of 172.19.67.241 from 172.19.67.254
May 15 07:47:12 Megatron dhclient: bound to 172.19.67.241 -- renewal in 888
seconds.
May 15 07:47:13 Megatron NetworkManager: <debug> [1242388033.001163]
periodic_update(): Roamed from BSSID 00:1D:7E:93:7F:A9 (mennodrew3) to (none)
((none))
May 15 07:47:19 Megatron NetworkManager: <debug> [1242388039.001774]
periodic_update(): Roamed from BSSID (none) ((none)) to 00:1D:7E:93:7F:A9
(mennodrew3)
May 15 07:49:13 Megatron NetworkManager: <debug> [1242388153.002154]
periodic_update(): Roamed from BSSID 00:1D:7E:93:7F:A9 (mennodrew3) to (none)
((none))
May 15 07:49:19 Megatron NetworkManager: <debug> [1242388159.001836]
periodic_update(): Roamed from BSSID (none) ((none)) to 00:1D:7E:93:7F:A9
(mennodrew3)
May 15 07:50:01 Megatron /USR/SBIN/CRON[15149]: (root) CMD ([ -x
/usr/sbin/update-motd ] && /usr/sbin/update-motd 2>/dev/null)
May 15 07:51:13 Megatron NetworkManager: <debug> [1242388273.001434]
periodic_update(): Roamed from BSSID 00:1D:7E:93:7F:A9 (mennodrew3) to (none)
((none))
May 15 07:51:19 Megatron NetworkManager: <debug> [1242388279.001357]
periodic_update(): Roamed from BSSID (none) ((none)) to 00:1D:7E:93:7F:A9
(mennodrew3)
May 15 07:53:13 Megatron NetworkManager: <debug> [1242388393.001052]
periodic_update(): Roamed from BSSID 00:1D:7E:93:7F:A9 (mennodrew3) to (none)
((none))
May 15 07:53:19 Megatron NetworkManager: <debug> [1242388399.002107]
periodic_update(): Roamed from BSSID (none) ((none)) to 00:1D:7E:93:7F:A9
(mennodrew3)
May 15 07:55:13 Megatron NetworkManager: <debug> [1242388513.000466]
periodic_update(): Roamed from BSSID 00:1D:7E:93:7F:A9 (mennodrew3) to (none)
((none))
May 15 07:55:19 Megatron NetworkManager: <debug> [1242388519.001772]
periodic_update(): Roamed from BSSID (none) ((none)) to 00:1D:7E:93:7F:A9
(mennodrew3)
May 15 07:57:13 Megatron NetworkManager: <debug> [1242388633.001526]
periodic_update(): Roamed from BSSID 00:1D:7E:93:7F:A9 (mennodrew3) to (none)
((none))
May 15 08:07:00 Megatron syslogd 1.5.0#5ubuntu3: restart.
----------------
Messages
May 15 06:15:07 Megatron kernel: [20184.318024] __ratelimit: 9 callbacks
suppressed
May 15 06:39:11 Megatron -- MARK --
May 15 06:59:11 Megatron -- MARK --
May 15 07:19:11 Megatron -- MARK --
May 15 07:39:11 Megatron -- MARK --
May 15 08:07:00 Megatron syslogd 1.5.0#5ubuntu3: restart.
----------------
Kern
May 15 06:15:29 Megatron kernel: [20206.463529] b43-phy0 ERROR: PHY
transmission error
May 15 06:17:01 Megatron kernel: [20297.786178] b43-phy0 ERROR: PHY
transmission error
May 15 08:07:11 Megatron kernel: Inspecting /boot/System.map-2.6.28-11-generic
May 15 08:07:11 Megatron kernel: Cannot find map file.
May 15 08:07:11 Megatron kernel: Loaded 81586 symbols from 76 modules.
May 15 08:07:11 Megatron kernel: [ 0.000000] BIOS EBDA/lowmem at:
0009dc00/0009dc00
May 15 08:07:11 Megatron kernel: [ 0.000000] Initializing cgroup subsys
cpuset
May 15 08:07:11 Megatron kernel: [ 0.000000] Initializing cgroup subsys cpu
May 15 08:07:11 Megatron kernel: [ 0.000000] Linux version 2.6.28-11-generic
(bui...@crested) (gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4) ) #42-Ubuntu SMP
Fri Apr 17 01:58:03 UTC 2009 (Ubuntu 2.6.28-11.42-generic)
----------------
Debug
May 15 07:55:19 Megatron NetworkManager: <debug> [1242388519.001772]
periodic_update(): Roamed from BSSID (none) ((none)) to 00:1D:7E:93:7F:A9
(mennodrew3)
May 15 07:57:13 Megatron NetworkManager: <debug> [1242388633.001526]
periodic_update(): Roamed from BSSID 00:1D:7E:93:7F:A9 (mennodrew3) to (none)
((none))
May 15 08:07:09 Megatron ntpd[3374]: signal_no_reset: signal 17 had flags
4000000
May 15 08:07:11 Megatron kernel: [ 0.000000] 0000000000 - 0077e00000 page 2M
----------------
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: inactive inactivity power random shutdown
--
Random system shutdowns during inactivity (Total power off) after upgrade from
8.10 to 9.04
https://bugs.launchpad.net/bugs/376928
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