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Old 10-06-2015, 07:19 AM   #1
Anil Kagi
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Repeated and often system hang-ups. LM 17.2 Rafaela Dualboot Windows 7.


Hello everybody,

My system specifications: Samsung RV509, i3, 300GB HDD, 3GB Ram, Dual boot Windows7 & LM 17.2 Rafaela.

I have been using LM for a while. There used to be system hang-ups occasionally. But now the system hangs-up more often; like two to three times a day.

Symptoms: When the system hangs-up, it becomes totally un-responsive. No keyboard response, no mouse, nothing. All I have got to do is a hard restart.

It has really become annoying, especially when I am doing some important work, and all my toil gets disrupted.

Please, I need help.

Thank you

Anil
 
Old 10-06-2015, 10:46 AM   #2
kilgoretrout
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Does it lock up in windows too? You can check your logs to see if there's any clue there. Look in /var/log/syslog. If you are getting lockups in both windows and mint, it's almost certainly a hardware problem. Most likely suspects are ram problems or hard drive. Ram can be checked with memtest. IIRC mint has a boot option for memtest by default. Hard drive can be tested using the manufacturer's hard drive diagnostic utilities. By the way, 3GB of ram is a somewhat unusual ram configuration. At some point did you add additional ram or make any changes to your ram? Incompatible ram can cause those types of lockups; you would get them in both mint and windows if that was the case. Some laptops can be very finicky about what ram they will run on.
 
Old 10-06-2015, 01:04 PM   #3
John VV
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what are you doing when it "hangs" ???
using firefox and the browser "locks up" and that then lock up the rest of the X11 windows
-- this CAN happen a lot , the advertising and malware in the flash can do it

or

are you opining a 300 meg text file in gedit ?

or
is this a laptop and you have a LOW battery ?

or
did you leave the computer alone for 5 min. and it is trying to hibernate ?

have you read through the logs to SEE what the errors are ?
 
Old 10-06-2015, 01:11 PM   #4
yancek
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Classic sign of overheating.
 
Old 10-07-2015, 05:58 AM   #5
Anil Kagi
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Thanks for coming, kilgoretrout.

Quote:
Originally Posted by kilgoretrout View Post
Does it lock up in windows too?
No it doesn't.

Quote:
Originally Posted by kilgoretrout View Post
You can check your logs to see if there's any clue there. Look in /var/log/syslog.
Though I found the logs, [There were two of them syslog & syslog1] I could not understand anything of it. I am attaching the two files for your perusal, here.

http://filebin.ca/2IDO7cy7A8Lx/syslog

http://filebin.ca/2IDMzNWj9m2C/syslog.1

Quote:
Originally Posted by kilgoretrout View Post
By the way, 3GB of ram is a somewhat unusual ram configuration.
I have been using both Windows7 & LM 17 for long without any problems. This frequent system hang-up problem has appeared recently.

Quote:
Originally Posted by kilgoretrout View Post
At some point did you add additional ram or make any changes to your ram? Incompatible ram can cause those types of lockups; you would get them in both mint and windows if that was the case. Some laptops can be very finicky about what ram they will run on.
No, I haven't added additional RAM. 3GB RAM was the one which came with the machine when I bought it. I have been using it without problems since 2011.

Thank you kilgoretrout
 
Old 10-07-2015, 06:09 AM   #6
Anil Kagi
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Thank you John VV, for coming.

Quote:
Originally Posted by John VV View Post
what are you doing when it "hangs" ???
using firefox and the browser "locks up" and that then lock up the rest of the X11 windows
-- this CAN happen a lot , the advertising and malware in the flash can do it
Even I thought it could be happening while browsing. But later it happened when I was doing other things like typing, and while watching videos too.

Quote:
Originally Posted by John VV View Post
or

are you opining a 300 meg text file in gedit ?

or
is this a laptop and you have a LOW battery ?

or
did you leave the computer alone for 5 min. and it is trying to hibernate ?

have you read through the logs to SEE what the errors are ?
No it does not happen while opening a 300 meg text file in gedit. Yes this is a laptop but I use it 99% of the time while connected to the electric supply through the adaptor. The hangup has happened during both power sources, the battery & the mains. And no, it is not the hibernation process. I have attached the log files above, because I did not understand anything of it.

Thanks John VV
 
Old 10-07-2015, 06:12 AM   #7
Anil Kagi
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Thank you yancek, for coming.

Quote:
Originally Posted by yancek View Post
Classic sign of overheating.
No, it has occurred within five minutes of my starting the system and doing some very low resources work. Moreover it has not occurred while using Windows7 for long duration and doing intense resource work.

Thanks yancek.

Last edited by Anil Kagi; 10-07-2015 at 06:14 AM.
 
Old 10-07-2015, 08:06 AM   #8
kilgoretrout
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From my cursory examination of your syslogs, you appear to be running bumblebee. I assume you have an nvidia optimus type setup on your laptop. Please confirm. You may want to look at your kernel and Xorg logs as well. What you want to do is note the time when your next lockup occurs and, after rebooting, check your logs from around that time or just before and see if there is any clue as to what is happening.
 
Old 10-07-2015, 08:24 AM   #9
Anil Kagi
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Quote:
Originally Posted by kilgoretrout View Post
From my cursory examination of your syslogs, you appear to be running bumblebee. I assume you have an nvidia optimus type setup on your laptop. Please confirm. You may want to look at your kernel and Xorg logs as well. What you want to do is note the time when your next lockup occurs and, after rebooting, check your logs from around that time or just before and see if there is any clue as to what is happening.
Oh, before coming to the forum, I had searched the web for some solutions. And in one place, I found that someone had the same problem and it was resolved after the installation of BUMBLEBEE. So I installed Bumblebee. But for me nothing changed.

Forgive my Linux-ignorance, I don't know if I have the 'nvidia optimus type setup'. Please inform how I can confirm it.

Where are the kernel and Xorg logs located? Please mention.

Yes, I will certainly, note the time when, next lockup occurs and, after rebooting, check logs from around that time or just before and post the findings.

Thanks kilgoretrout, for coming.
 
Old 10-07-2015, 08:50 AM   #10
kilgoretrout
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Nvidia optimus is a hybrid type graphics setup used in some laptops where you have both onboard intel graphics and a separate nvidia graphics card. While doing normal tasks, the system uses the intel graphics and while doing more graphically intense tasks like gaming the system switches and uses the more powerful nvidia graphics. The idea was to conserve power you use the lower power intel graphics for the bulk of your computing and switch to the nvidia card only for graphically demanding applications. See:

https://en.wikipedia.org/wiki/Nvidia...#Linux_support

Check the documentation that came with your laptop to see if it says "nvidia optimus". The product manual shows that it was available but optional. Nvidia optimus is poorly supported on linux and may be the source of your problems.

For the logs, look in /var/log for kernel.log and Xorg.0.log
 
Old 10-07-2015, 10:21 AM   #11
Anil Kagi
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Quote:
Originally Posted by kilgoretrout View Post
Nvidia optimus is a hybrid type graphics setup used in some laptops where you have both onboard intel graphics and a separate nvidia graphics card. While doing normal tasks, the system uses the intel graphics and while doing more graphically intense tasks like gaming the system switches and uses the more powerful nvidia graphics. The idea was to conserve power you use the lower power intel graphics for the bulk of your computing and switch to the nvidia card only for graphically demanding applications. See:

https://en.wikipedia.org/wiki/Nvidia...#Linux_support

Check the documentation that came with your laptop to see if it says "nvidia optimus". The product manual shows that it was available but optional. Nvidia optimus is poorly supported on linux and may be the source of your problems.

For the logs, look in /var/log for kernel.log and Xorg.0.log
Thanks kilgoretrout,

My Graphics card is; 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02).

The kernel.log is here below;
http://filebin.ca/2IEhnf7XZlj1/kern.log

And the Xorg.0.log is here below;
http://filebin.ca/2IEiRwEyZ2rt/Xorg.0.log

Thank you
 
Old 10-08-2015, 01:32 AM   #12
Anil Kagi
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Quote:
Originally Posted by kilgoretrout View Post
Ram can be checked with memtest. IIRC mint has a boot option for memtest by default.
Hello kilgoretrout,

I performed the boot option memtest. There were no RAM errors. Below is the memtest result.

Click image for larger version

Name:	Memtest result.jpg
Views:	11
Size:	243.4 KB
ID:	19757

Thank you
 
Old 10-09-2015, 04:02 AM   #13
Anil Kagi
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Quote:
Originally Posted by kilgoretrout View Post
What you want to do is note the time when your next lockup occurs and, after rebooting, check your logs from around that time or just before and see if there is any clue as to what is happening.
Hello kilgoretrout,

The system got stuck today 9/october/2015 at 13:51 hrs.

As suggested by you I checked the logs and posted the links below. I would be grateful if you could find what is hidden in them about my system problem and suggest a solution.


kern.log - http://filebin.ca/2IQpzy44Va1P/kern.log

syslog - http://filebin.ca/2IQqeYXfnY12/syslog

syslog1 - http://filebin.ca/2IQqsuzJhgsy/syslog1

xorg.0.log - http://filebin.ca/2IQr8DVSVwCu/xorg.0.log

xorg.0.log.old - http://filebin.ca/2IQrOS66EEiX/xorg.0.log.old

xorg.20.log - http://filebin.ca/2IQrZNbuo8Qr/xorg.20.log


Thank you
 
  


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