Features/PVCrashDetection: Difference between revisions
(Created page with '== Summary == Notify the host (via a PV mechanism) to indicate that an error has occurred within the guest. Introduce code in Linux to use this notification mechanism. == Owne…') |
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Very often when a guest crash, lockup, or warning occurs, the guest is aware enough to print a message to the console to alert the user. When this happens, it might be useful to trigger some action on the host such as gathering usage statistics of other VMs. Today, the host has no insight into when a guest has a problem but this could be easily addressed by paravirtualizing a guest. | Very often when a guest crash, lockup, or warning occurs, the guest is aware enough to print a message to the console to alert the user. When this happens, it might be useful to trigger some action on the host such as gathering usage statistics of other VMs. Today, the host has no insight into when a guest has a problem but this could be easily addressed by paravirtualizing a guest. | ||
[[Category:Completed feature pages]] | |||
Latest revision as of 14:54, 11 October 2016
Summary
Notify the host (via a PV mechanism) to indicate that an error has occurred within the guest. Introduce code in Linux to use this notification mechanism.
Owner
- Name: Anthony Liguori
- Email: anthony@codemonkey.ws
Detailed Summary
Very often when a guest crash, lockup, or warning occurs, the guest is aware enough to print a message to the console to alert the user. When this happens, it might be useful to trigger some action on the host such as gathering usage statistics of other VMs. Today, the host has no insight into when a guest has a problem but this could be easily addressed by paravirtualizing a guest.