kvm doesn't work on 36 physical bits systems
Bug #1798427 reported by
Thadeu Lima de Souza Cascardo
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
High
|
Thadeu Lima de Souza Cascardo | ||
Cosmic |
Fix Released
|
High
|
Thadeu Lima de Souza Cascardo |
Bug Description
[Impact]
A guest will hang while booting under 4.18.0-10.11 because of "kvm: x86: Set highest physical address bits in non-present/
[Test Case]
A guest was booted after applying the patch.
[Regression Potential]
It might break KVM on systems with different physical memory limits, which is just what upstream might have been testing the most.
============
A fix is already upstream, and already present in 4.18.14.
This would be upstream commit
daa07cbc9ae3da2
CVE References
Changed in linux (Ubuntu Cosmic): | |
status: | New → In Progress |
importance: | Undecided → High |
assignee: | nobody → Thadeu Lima de Souza Cascardo (cascardo) |
description: | updated |
Changed in linux (Ubuntu Cosmic): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu): | |
status: | Fix Committed → Fix Released |
tags: |
added: kernel-fixup-verification-needed-bionic removed: verification-needed-bionic |
tags: | added: cscc |
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This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification- needed- cosmic' to 'verification- done-cosmic' . If the problem still exists, change the tag 'verification- needed- cosmic' to 'verification- failed- cosmic' .
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.
See https:/ /wiki.ubuntu. com/Testing/ EnableProposed for documentation how to enable and use -proposed. Thank you!