[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
audiophyl, could you please test the newest mainline kernel
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11-rc1-saucy/ and
advise if it changes anything?
** Description changed:
itdept@toolbox:~$ lsb_release -rd
Description: Ubuntu 12.04.2 LTS
Release: 12.04
itdept@toolbox:/v
Are there any other tests which would be helpful for me to perform? Any
other information which may be of use?
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Title:
Random CPU hard locks on I
I continue to experience brief locks which are enough to set the kill
system responsiveness and set the clock back, but not enough to trigger
a watchdog event.
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Aaaand, we just got official:
itdept@toolbox:/var/log/apache2$ uname -a
Linux toolbox 3.10.0-031000rc5-generic #201306082135 SMP Sun Jun 9 01:36:22 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
itdept@toolbox:/var/log/apache2$ dmesg | tail -n 43
[963607.136016] [ cut here ]
[96
I have experienced at least one symptom over the weekend (network
unresponsiveness) with no logged information. The only observable
behavior is that several auto-refreshing web services fail to obtain a
response from the server.
Wait, breaking news... Add one more symptom. SSH froze, so I began
pi
** Tags added: kernel-fixed-upstream
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Title:
Random CPU hard locks on Intel D101GGC w/12.04 Server
To manage notifications about this bug go to:
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Random CPU hard locks on Intel D101GGC w/12.04 Server
To manage not
As noted, I have been running with `apic=debug` in order to boot past a
KP tied to my use of `notsc clocksource=acpi_pm`. I have not had any
indications of issues for five (5) days (gradually drifting clock,
occasional unresponsiveness to ping, CPU hard lock messages in dmesg),
so I'm leaning towar
Kernel panic on boot for ACPI timer. KP informed me to boot with
apic=debug. My dmesg is attached.
** Attachment added: "dmesg with apic=debug"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1189565/+attachment/3702454/+files/dmesg.txt
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Has now occurred with acpi_pm, however there is no log entry for a CPU
hard lock. System became unresponsive for ~7 minutes. Testing with
clocksource=acpi_pm set at boot, and we'll see if the results are the
same.
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Bugs, whic
Preliminary results suggest no fix, but there's a hiccup:
[104371.521583] Clocksource tsc unstable (delta = 468697105616 ns)
[104371.548267] Switching to clocksource acpi_pm
That's nearly 8 minutes of lost time, with no other indication of a CPU
lock.
Because of this very issue, my /etc/default/
Installed and waiting, but it could be days (weeks?) before the problem
manifests.
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Title:
Random CPU hard locks on Intel D101GGC w/12.04 Server
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.10 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
The given apport-collect command does not seem to work, even with sudo.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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