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[Qemu-devel] [PATCH 0/3] script for crash-testing -device

From: Eduardo Habkost
Subject: [Qemu-devel] [PATCH 0/3] script for crash-testing -device
Date: Wed, 22 Mar 2017 13:00:49 -0300

This series adds scripts/device-crashtest.py, that can be used to
crash-test -device with multiple machine/accel/device

The script found a few crashes on some machines/devices. A dump
of existing cases can be seen here:

The script contains a whitelist that can also be useful as
documentation of existing ways -device can fail or crash.

Note that the script takes a few hours to run on the default mode
(testing all accel/machine/device combinations), but the "-r N"
option can be used to make it only test N random samples.

Example script output:

  $ ../scripts/device-crash-test.py -v --shuffle
  INFO: test case: machine=verdex binary=./aarch64-softmmu/qemu-system-aarch64 
device=exynos4210-ehci-usb accel=tcg
  INFO: test case: machine=none binary=./aarch64-softmmu/qemu-system-aarch64 
device=onenand accel=tcg
  INFO: test case: machine=pc-i440fx-2.2 
binary=./x86_64-softmmu/qemu-system-x86_64 device=ide-cd accel=kvm
  INFO: success: ./x86_64-softmmu/qemu-system-x86_64 -S -machine 
pc-i440fx-2.2,accel=kvm -device ide-cd
  INFO: test case: machine=SPARCClassic 
binary=./sparc-softmmu/qemu-system-sparc device=memory accel=tcg
  qemu received signal 6: -S -machine SPARCClassic,accel=tcg -device memory
  ERROR: failed: machine=SPARCClassic binary=./sparc-softmmu/qemu-system-sparc 
device=memory accel=tcg
  ERROR: cmdline: ./sparc-softmmu/qemu-system-sparc -S -machine 
SPARCClassic,accel=tcg -device memory
  ERROR: log: qemu-system-sparc: /root/qemu-build/exec.c:1500: find_ram_offset: 
Assertion `size != 0' failed.
  ERROR: exit code: -6
  INFO: test case: machine=romulus-bmc binary=./arm-softmmu/qemu-system-arm 
device=ich9-usb-uhci6 accel=tcg
  INFO: test case: machine=ref405ep binary=./ppc-softmmu/qemu-system-ppc 
device=ivshmem-doorbell accel=tcg
  INFO: test case: machine=romulus-bmc 
binary=./aarch64-softmmu/qemu-system-aarch64 device=l2x0 accel=tcg
  INFO: test case: machine=pc-i440fx-1.7 
binary=./x86_64-softmmu/qemu-system-x86_64 device=virtio-input-host-pci 
  INFO: test case: machine=none binary=./ppc-softmmu/qemu-system-ppc 
device=virtio-tablet-pci accel=tcg
  INFO: test case: machine=terrier binary=./aarch64-softmmu/qemu-system-aarch64 
device=sst25vf016b accel=tcg
  INFO: success: ./aarch64-softmmu/qemu-system-aarch64 -S -machine 
terrier,accel=tcg -device sst25vf016b
  INFO: test case: machine=none binary=./i386-softmmu/qemu-system-i386 
device=intel-iommu accel=kvm
  qemu received signal 6: -S -machine none,accel=kvm -device intel-iommu
  ERROR: failed: machine=none binary=./i386-softmmu/qemu-system-i386 
device=intel-iommu accel=kvm
  ERROR: cmdline: ./i386-softmmu/qemu-system-i386 -S -machine none,accel=kvm 
-device intel-iommu
  ERROR: log: /root/qemu-build/hw/i386/intel_iommu.c:2565:vtd_realize: Object 
0x7fe117fabfb0 is not an instance of type generic-pc-machine
  ERROR: exit code: -6
  INFO: test case: machine=tosa binary=./aarch64-softmmu/qemu-system-aarch64 
device=integrator_core accel=tcg
  INFO: test case: machine=isapc binary=./i386-softmmu/qemu-system-i386 
device=i82550 accel=kvm
  INFO: test case: machine=xlnx-ep108 
binary=./aarch64-softmmu/qemu-system-aarch64 device=digic accel=tcg
  qemu received signal 6: -S -machine xlnx-ep108,accel=tcg -device digic
  ERROR: failed: machine=xlnx-ep108 
binary=./aarch64-softmmu/qemu-system-aarch64 device=digic accel=tcg
  ERROR: cmdline: ./aarch64-softmmu/qemu-system-aarch64 -S -machine 
xlnx-ep108,accel=tcg -device digic
  ERROR: log: audio: Could not init `oss' audio driver
  ERROR: log: Unexpected error in qemu_chr_fe_init() at 
  ERROR: log: qemu-system-aarch64: -device digic: Device 'serial0' is in use
  ERROR: exit code: -6
  INFO: test case: machine=raspi2 binary=./arm-softmmu/qemu-system-arm 
device=sd-card accel=tcg
  INFO: success: ./arm-softmmu/qemu-system-arm -S -machine raspi2,accel=tcg 
-device sd-card

Eduardo Habkost (3):
  qemu.py: Always save QEMU exit code
  qtest.py: Support QTEST_LOG environment variable
  scripts: Test script to look for -device crashes

 scripts/device-crash-test.py | 486 +++++++++++++++++++++++++++++++++++++++++++
 scripts/qemu.py              |  10 +-
 scripts/qtest.py             |   6 +
 3 files changed, 499 insertions(+), 3 deletions(-)
 create mode 100755 scripts/device-crash-test.py


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