xen blkfront leaks memory when disconnecting devices

Bug #1985527 reported by Thadeu Lima de Souza Cascardo
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
In Progress
Thadeu Lima de Souza Cascardo

Bug Description

When xen blkfront devices are unbound, removed, disconnected or suspended, if bouncing is enabled but persistent grants are not, it would leak memory.

Revert commit introducing the regression.

[Test case]
suspend/resume a Xen AWS instance and check for memory leaks.

[Potential regression]
AWS Xen instances can see failures on their block devices.

Changed in linux (Ubuntu Xenial):
status: New → In Progress
importance: Undecided → Critical
assignee: nobody → Thadeu Lima de Souza Cascardo (cascardo)
Changed in linux (Ubuntu):
status: New → Invalid
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