Kernel fails to boot on some AMD systems
Bug #1983030 reported by
Thadeu Lima de Souza Cascardo
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
| Xenial |
Fix Committed
|
Medium
|
Thadeu Lima de Souza Cascardo | ||
Bug Description
[Impact]
4.4 kernels will fail to boot on AWS instance types m6a and c6a.
[Test case]
Boot kernels on those instance types.
[Fix]
Flushes TLB global mappings when system is not affected by Meltdown.
[Potential regression]
Missing TLB flushes may lead to security vulnerabilities. Unneeded TLB flushes lead to performance impact.
| Changed in linux (Ubuntu Xenial): | |
| importance: | Undecided → Medium |
| assignee: | nobody → Thadeu Lima de Souza Cascardo (cascardo) |
| status: | New → In Progress |
| Changed in linux (Ubuntu): | |
| status: | New → Fix Released |
| Changed in linux (Ubuntu Xenial): | |
| status: | In Progress → Fix Committed |
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