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[Bug 1732177] Re: SBSA ACS test freezes inside qemu-system-aarch64

From: Thomas Huth
Subject: [Bug 1732177] Re: SBSA ACS test freezes inside qemu-system-aarch64
Date: Tue, 10 Nov 2020 17:50:32 -0000

Which version of QEMU did you test? Does it work better with the latest
version of QEMU now?

** Changed in: qemu
       Status: New => Incomplete

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  SBSA ACS test freezes inside qemu-system-aarch64

Status in QEMU:

Bug description:
  In an effort to get Windows 10 for ARM64 (which is supposed to boot on
  SBSA/SBBR-compliant platforms) to boot inside qemu, I tried to run the
  SBSA ACS test suite. I used the UEFI image from the latest Linaro
  snapshot, and built the SBSA ACS UEFI application from
  https://github.com/ARM-software/sbsa-acs myself using a Linaro aarch64

  Test #8 causes an infinite exception loop, as the exception vectors
  themselves somehow become inaccessible, and accessing them triggers
  another exception to be handled by the same vector. (With some older
  Linaro UEFI images, the hard lockup is avoided, and the SBSA UEFI app
  crashes instead.) If I disable that test, the testsuite locks up in
  other tests in very similar ways. We aren't even able to get a
  pass/fail score from the app because of this.

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