Analyzing Debian System freeze - blank logs [closed]

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Running Debian 7.8 sometimes (once per 14 days or so) my server freezes completely and need to be manually rebooted.



There is nothing in logs, from the actual freeze until restart all logs are blank, like nothing is happening during the freeze at all. Cannot see anything unusual in logs before the freeze.



Any ideas how to proceed to identify the source of the problem that is causing system to freeze ?



I cannot connect to any service on the server (SSH, FTP, HTTP) so I have no idea what is happening.






debian reboot freeze crash







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closed as too broad by Rui F Ribeiro, Jeff Schaller, Christopher, thrig, Stephen Kitt Nov 28 at 20:45


Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.














  • What freezes exactly? Is it only your visual on the monitor? Have you tried changing the TTY (CTRL+ALT+[1-9]) or connecting via SSH from a different host?
    – Peschke
    Nov 28 at 16:49










  • Please note that Debian 7 reached end of life earlier this year, you should not run this in production.
    – maulinglawns
    Nov 28 at 17:04














up vote
0
down vote

favorite












Running Debian 7.8 sometimes (once per 14 days or so) my server freezes completely and need to be manually rebooted.



There is nothing in logs, from the actual freeze until restart all logs are blank, like nothing is happening during the freeze at all. Cannot see anything unusual in logs before the freeze.



Any ideas how to proceed to identify the source of the problem that is causing system to freeze ?



I cannot connect to any service on the server (SSH, FTP, HTTP) so I have no idea what is happening.






debian reboot freeze crash







share|improve this question















closed as too broad by Rui F Ribeiro, Jeff Schaller, Christopher, thrig, Stephen Kitt Nov 28 at 20:45


Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.














  • What freezes exactly? Is it only your visual on the monitor? Have you tried changing the TTY (CTRL+ALT+[1-9]) or connecting via SSH from a different host?
    – Peschke
    Nov 28 at 16:49










  • Please note that Debian 7 reached end of life earlier this year, you should not run this in production.
    – maulinglawns
    Nov 28 at 17:04












up vote
0
down vote

favorite









up vote
0
down vote

favorite











Running Debian 7.8 sometimes (once per 14 days or so) my server freezes completely and need to be manually rebooted.



There is nothing in logs, from the actual freeze until restart all logs are blank, like nothing is happening during the freeze at all. Cannot see anything unusual in logs before the freeze.



Any ideas how to proceed to identify the source of the problem that is causing system to freeze ?



I cannot connect to any service on the server (SSH, FTP, HTTP) so I have no idea what is happening.






debian reboot freeze crash







share|improve this question















Running Debian 7.8 sometimes (once per 14 days or so) my server freezes completely and need to be manually rebooted.



There is nothing in logs, from the actual freeze until restart all logs are blank, like nothing is happening during the freeze at all. Cannot see anything unusual in logs before the freeze.



Any ideas how to proceed to identify the source of the problem that is causing system to freeze ?



I cannot connect to any service on the server (SSH, FTP, HTTP) so I have no idea what is happening.






debian reboot freeze crash




debian reboot freeze crash






share|improve this question















share|improve this question













share|improve this question




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edited Nov 28 at 19:07









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asked Nov 28 at 16:32









Dakado

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closed as too broad by Rui F Ribeiro, Jeff Schaller, Christopher, thrig, Stephen Kitt Nov 28 at 20:45


Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.






closed as too broad by Rui F Ribeiro, Jeff Schaller, Christopher, thrig, Stephen Kitt Nov 28 at 20:45


Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.













  • What freezes exactly? Is it only your visual on the monitor? Have you tried changing the TTY (CTRL+ALT+[1-9]) or connecting via SSH from a different host?
    – Peschke
    Nov 28 at 16:49










  • Please note that Debian 7 reached end of life earlier this year, you should not run this in production.
    – maulinglawns
    Nov 28 at 17:04
















  • What freezes exactly? Is it only your visual on the monitor? Have you tried changing the TTY (CTRL+ALT+[1-9]) or connecting via SSH from a different host?
    – Peschke
    Nov 28 at 16:49










  • Please note that Debian 7 reached end of life earlier this year, you should not run this in production.
    – maulinglawns
    Nov 28 at 17:04















What freezes exactly? Is it only your visual on the monitor? Have you tried changing the TTY (CTRL+ALT+[1-9]) or connecting via SSH from a different host?
– Peschke
Nov 28 at 16:49




What freezes exactly? Is it only your visual on the monitor? Have you tried changing the TTY (CTRL+ALT+[1-9]) or connecting via SSH from a different host?
– Peschke
Nov 28 at 16:49












Please note that Debian 7 reached end of life earlier this year, you should not run this in production.
– maulinglawns
Nov 28 at 17:04




Please note that Debian 7 reached end of life earlier this year, you should not run this in production.
– maulinglawns
Nov 28 at 17:04















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