With the freezes I had it was not possible to "revive" from, all I could
do is long-press the power button.
So maybe the freezes you encounter are another issue, maybe this bug:
https://bugs.launchpad.net/kubuntu-ppa/+bug/1384512
It is about KDE but sounds similar and might be related to the vide
My laptop freezes after idling over night at lockscreen. I have Lenovo y410p on
Ubuntu 14.04.
So far I've been able to "revive" it by going into tty (ctrl+alt+f2) and then
do `unity start` which prints some some errors and then brings me to the
lockscreen not frozen. The first time I login, scre
Following your experience, I have disabled "CPU Power Management" and
"PCI Express Power Management" in the BIOS of my Lenovo L420.
I did not have a single freeze in one month now (before about once a
week), so I suppose this solved my freezing issues as well. The fact
that the freezes occurred on
It seems, that problem has been solved when i try to disable CPU C
states and extended C states in bios in my case. It's about one month
without freeze. May be that it's relates to CPU C states VS power
supply, which has problems with lowered power consumption or simly
doesn't support this feature
I am not aware of any workaround and I wonder if our freezes are related
or if we have individual hardware issues. But I am pretty sure I did not
have theses issues before 13.10 on the same hardware.
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Is there any workaround? It's little critical for my (Kubuntu 14.04)
workstation, because i use it also for remote access thru SSH and
computer is completely unreachable due this bug. Thanks
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Unfortunately I still have this problem, by the time with kubuntu 14.04.
Often when the system is idling for some hours, it eventually freezes.
I again let Memtest86 running, it did 9 passes in more than 13 hours
without error, so it is probably not a memory issue.
There is usually an external sc
Thank you Joseph.
After running about one week without the bad memory module and another
week with a new 2nd 4GB module without any freeze I think we can assume
this bug is invalid :-)
Torsten
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I'll mark this as invalid for now, since it appears to be due to bad
memory. Just change the status back to confirmed if you find the issue
still happens after fixing the memory issue.
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Con
I have done a memory test as suggested in
https://help.ubuntu.com/community/DebuggingSystemCrash - sorry for not
reading it earlier.
Errors were found at four addresses in the memory area of the second 4
GB module. After removing it and running with only the first 4 GB, no
more errors were found.
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