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QEMU lockup with excessive EPT_VIOLATION errors in perf trace
From: |
afaas |
Subject: |
QEMU lockup with excessive EPT_VIOLATION errors in perf trace |
Date: |
Tue, 27 Jun 2023 23:31:09 +0200 (CEST) |
Hello,
Am curious if anyone has ran into this issue and what your resolution might have been? perf kvm stat live -a -d 5 -p 1234
Analyze events for pid(s) 1234, all VCPUs:
VM-EXIT Samples Samples% Time% Min Time Max Time Avg time
EPT_VIOLATION 345604 99.76% 99.20% 0.46us 1574.54us 7.33us ( +- 1.55% )
EXTERNAL_INTERRUPT 819 0.24% 0.80% 1.05us 1110.45us 24.91us ( +- 10.90% )
The QEMU machine becomes unresponsive and just locks up with excessive EPT_VIOLATION being thrown from the perf.
Underlying kernel is 6.1.12 and qemu is 7.2.2.
Thanks!
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