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1

Dear Ubuntu Users/SMEs,

Wish to find out how I can capture a kernel dump file when the VM running on Ubuntu 16.04 crashed/hanged. Below is what i had done so far. Thanks for your help.

1. I had install linux-crashdump on the VM


2. Edited /etc/default/kdump-tools by including the following line:USE_KDUMP=1
   enter image description here
   


3. The VM had crashed/hanged frequently but failed to obtain any dump file from
   /var/crash folder after I had to restart the VM through vCenter to access
   into the VM's folder via putty.


4. The only time i can successfully retrieve a kernel dump file is when i
   simulate a kernel panic. Please refer to the attached image.

Thanks.
Regards.

kernel

share

asked 9 mins ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

1

Dear Ubuntu Users/SMEs,

Wish to find out how I can capture a kernel dump file when the VM running on Ubuntu 16.04 crashed/hanged. Below is what i had done so far. Thanks for your help.

1. I had install linux-crashdump on the VM


2. Edited /etc/default/kdump-tools by including the following line:USE_KDUMP=1
   enter image description here
   


3. The VM had crashed/hanged frequently but failed to obtain any dump file from
   /var/crash folder after I had to restart the VM through vCenter to access
   into the VM's folder via putty.


4. The only time i can successfully retrieve a kernel dump file is when i
   simulate a kernel panic. Please refer to the attached image.

Thanks.
Regards.

kernel

share

asked 9 mins ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

Dear Ubuntu Users/SMEs,

Wish to find out how I can capture a kernel dump file when the VM running on Ubuntu 16.04 crashed/hanged. Below is what i had done so far. Thanks for your help.

1. I had install linux-crashdump on the VM


2. Edited /etc/default/kdump-tools by including the following line:USE_KDUMP=1
   enter image description here
   


3. The VM had crashed/hanged frequently but failed to obtain any dump file from
   /var/crash folder after I had to restart the VM through vCenter to access
   into the VM's folder via putty.


4. The only time i can successfully retrieve a kernel dump file is when i
   simulate a kernel panic. Please refer to the attached image.

Thanks.
Regards.

kernel

share

asked 9 mins ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 9 mins ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share

asked 9 mins ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 9 mins ago

Jonn HengJonn Heng

62

New contributor

Jonn Heng is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 9 mins ago

Jonn HengJonn Heng

62