[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Frank Heimes]

** Changed in: ubuntu-power-systems
   Status: Fix Committed => Fix Released

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  ubuntu-kvm-unit test failed with emulator test on ppc64le

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Po-Hsu Lin]

** Changed in: linux (Ubuntu)
   Status: Confirmed => Invalid

** Changed in: linux (Ubuntu Xenial)
   Status: New => Invalid

** Changed in: linux (Ubuntu Artful)
   Status: New => Invalid

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  ubuntu-kvm-unit test failed with emulator test on ppc64le

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Launchpad Bug Tracker]

This bug was fixed in the package qemu - 1:2.5+dfsg-5ubuntu10.25

---
qemu (1:2.5+dfsg-5ubuntu10.25) xenial; urgency=medium

  [ Murilo Opsfelder Araújo ]
  * debian/patches/ubuntu/lp-1723914-ppc64-set-msr-register.patch:
properly set MSR register for ppc64 targets (LP: #1723914)

  [ Yasmin Beatriz Alves da Silva ]
  * debian/patches/ubuntu/lp-1723904-sprs-backport.patch:
Fix handling of Power8 special purpose registers (LP: #1723904)

 -- Christian Ehrhardt   Wed, 04 Apr
2018 12:46:15 +0200

** Changed in: qemu (Ubuntu Xenial)
   Status: Fix Committed => Fix Released

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  ubuntu-kvm-unit test failed with emulator test on ppc64le

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Frank Heimes]

** Changed in: ubuntu-power-systems
   Status: In Progress => Fix Committed

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

# sudo ./run_tests.sh -v
[...]
TESTNAME=emulator TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
FAIL emulator 
SKIP h_cede_tm (test marked as manual run only)
MIGRATION=yes TESTNAME=sprs TIMEOUT=90s ACCEL= ./powerpc/run powerpc/sprs.elf 
-smp 1 -append '-w'
FAIL sprs

Upgrade to fix (no issues on upgrade)

# sudo ./run_tests.sh -v
[...]
TESTNAME=emulator TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
PASS emulator 
SKIP h_cede_tm (test marked as manual run only)
MIGRATION=yes TESTNAME=sprs TIMEOUT=90s ACCEL= ./powerpc/run powerpc/sprs.elf 
-smp 1 -append '-w'
PASS sprs 


** Tags removed: verification-needed verification-needed-xenial
** Tags added: verification-done verification-done-xenial

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Łukasz Zemczak]

Hello Po-Hsu, or anyone else affected,

Accepted qemu into xenial-proposed. The package will build now and be
available at https://launchpad.net/ubuntu/+source/qemu/1:2.5+dfsg-
5ubuntu10.25 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-xenial to verification-done-xenial. If it does not
fix the bug for you, please add a comment stating that, and change the
tag to verification-failed-xenial. In either case, without details of
your testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: qemu (Ubuntu Xenial)
   Status: In Progress => Fix Committed

** Tags added: verification-needed verification-needed-xenial

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Łukasz Zemczak]

Pressed enter too soon so my rejection message was cut:
"What is the reason that the previous security update's patched have been 
removed/disabled? Do they introduce any regressions that we didn't know about? 
Or maybe the new patches also address the CVEs ? If so, this should be 
mentioned in the changelog and/or forwarded to the security team. New SRUs 
should not overwrite -security changes - all pockets should have security 
fixes."

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Frank Heimes]

** Tags added: triage-g

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

Regression tests good as well, moving it to x-unapproved for the SRU Team to 
consider.
=> qemu_2.5+dfsg-5ubuntu10.25_source.changes

** Changed in: qemu (Ubuntu Xenial)
   Status: Triaged => In Progress

** Changed in: qemu (Ubuntu)
   Status: New => Fix Released

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

Regression tests started on all arches

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

Tested the new build with the outlined testcase:
  TESTNAME=emulator TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
  PASS emulator

** Description changed:

  [Impact]
  
-  * on start of qemu-system-ppc64 MSR_SF is not set correctly
-So it doesn't start 64bit as it should
+  * on start of qemu-system-ppc64 MSR_SF is not set correctly
+    So it doesn't start 64bit as it should
  
-  * Todays guests usually work around this and are fine, but it is 
-incorrect and might be an issue down the road. Furthermore this is also 
-a fixup to some verification tests at the same time.
+  * Todays guests usually work around this and are fine, but it is
+    incorrect and might be an issue down the road. Furthermore this is also
+    a fixup to some verification tests at the same time.
  
  [Test Case]
  
-  * 1. deploy xenial + HWE kernel on a ppc64el box
-2. sudo apt-get install qemu-kvm -y
-3. git clone --depth=1 
https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git
-4. cd kvm-unit-tests
-5. ./configure --endian=little; make
-6. sudo ppc64_cpu --smt=off
-7. sudo ./run_tests -v
+  * 1. deploy xenial + HWE kernel on a ppc64el box
+    2. sudo apt-get install qemu-kvm -y
+    3. git clone --depth=1 
https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git
+    4. cd kvm-unit-tests
+    5. ./configure --endian=little; make
+    6. sudo ppc64_cpu --smt=off
+    7. sudo ./run_tests.sh -v
  
  [Regression Potential]
  
-  * The changes are ppc only and provided by IBM so the potential risk is
-retained to the owner of the Area.
-Further the change is very small, so it has a very low amount of being 
-misunderstood.
+  * The changes are ppc only and provided by IBM so the potential risk is
+    retained to the owner of the Area.
+    Further the change is very small, so it has a very low amount of being
+    misunderstood.
  
  [Other Info]
  
-  * n/a
+  * n/a
  
  ---
- 
  
  Similar to bug 1723904, bug 1712803.
  The failed "emulator" test from kvm-unit-test will pass with qemu-2.7.1 built 
from source.
  
  ubuntu@modoc:~/kvm-unit-tests$ sudo /bin/bash -c "TESTNAME=emulator 
TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
  > "
  timeout -k 1s --foreground 90s /usr/bin/qemu-system-ppc64 -nodefaults 
-machine pseries,accel=kvm -bios powerpc/boot_rom.bin -display none -serial 
stdio -kernel powerpc/emulator.elf -smp 1 # -initrd /tmp/tmp.BJ2sE7V2Jc
  FAIL: emulator: 64bit: detected
  PASS: emulator: invalid: exception
  PASS: emulator: lswx: alignment
  PASS: emulator: lswi: alignment
  SUMMARY: 4 tests, 1 unexpected failures
  
  EXIT: STATUS=3
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.10.0-37-generic 4.10.0-37.41~16.04.1
  ProcVersionSignature: User Name 4.10.0-37.41~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-37-generic ppc64le
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: ppc64el
  Date: Mon Oct 16 10:10:46 2017
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcLoadAvg: 0.00 0.00 0.57 1/1457 83356
  ProcLocks:
   1: POSIX  ADVISORY  WRITE 1604 00:14:19651 0 EOF
   2: POSIX  ADVISORY  WRITE 2937 00:14:55331 0 EOF
   3: FLOCK  ADVISORY  WRITE 3046 00:14:67623 0 EOF
   4: POSIX  ADVISORY  WRITE 3124 00:14:57398 0 EOF
   5: POSIX  ADVISORY  WRITE 3047 00:14:87068 0 EOF
  ProcSwaps:
   Filename TypeSizeUsedPriority
   /swap.img   file 8388544 0   -1
  ProcVersion: Linux version 4.10.0-37-generic (buildd@bos01-ppc64el-026) (gcc 
version 5.4.0 20160609 (User Name/IBM 5.4.0-6ubuntu1~16.04.4) ) 
#41~16.04.1-User Name SMP Fri Oct 6 22:44:24 UTC 2017
  SourcePackage: linux-hwe
  UpgradeStatus: No upgrade log present (probably fresh install)
  cpu_cores: Number of cores present = 20
  cpu_coreson: Number of cores online = 20
  cpu_smt: SMT is off

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  ubuntu-kvm-unit test failed with emulator test on ppc64le

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

SRU Template prepared

Once ppa is built:
- Regression tests
- per case tests

Note: test build in ppa at https://launchpad.net/~ci-train-ppa-
service/+archive/ubuntu/3224

** Description changed:

+ [Impact]
+ 
+  * on start of qemu-system-ppc64 MSR_SF is not set correctly
+So it doesn't start 64bit as it should
+ 
+  * Todays guests usually work around this and are fine, but it is 
+incorrect and might be an issue down the road. Furthermore this is also 
+a fixup to some verification tests at the same time.
+ 
+ [Test Case]
+ 
+  * 1. deploy xenial + HWE kernel on a ppc64el box
+2. sudo apt-get install qemu-kvm -y
+3. git clone --depth=1 
https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git
+4. cd kvm-unit-tests
+5. ./configure --endian=little; make
+6. sudo ppc64_cpu --smt=off
+7. sudo ./run_tests -v
+ 
+ [Regression Potential]
+ 
+  * The changes are ppc only and provided by IBM so the potential risk is
+retained to the owner of the Area.
+Further the change is very small, so it has a very low amount of being 
+misunderstood.
+ 
+ [Other Info]
+ 
+  * n/a
+ 
+ ---
+ 
+ 
  Similar to bug 1723904, bug 1712803.
  The failed "emulator" test from kvm-unit-test will pass with qemu-2.7.1 built 
from source.
  
  ubuntu@modoc:~/kvm-unit-tests$ sudo /bin/bash -c "TESTNAME=emulator 
TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
  > "
  timeout -k 1s --foreground 90s /usr/bin/qemu-system-ppc64 -nodefaults 
-machine pseries,accel=kvm -bios powerpc/boot_rom.bin -display none -serial 
stdio -kernel powerpc/emulator.elf -smp 1 # -initrd /tmp/tmp.BJ2sE7V2Jc
  FAIL: emulator: 64bit: detected
  PASS: emulator: invalid: exception
  PASS: emulator: lswx: alignment
  PASS: emulator: lswi: alignment
  SUMMARY: 4 tests, 1 unexpected failures
  
  EXIT: STATUS=3
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.10.0-37-generic 4.10.0-37.41~16.04.1
  ProcVersionSignature: User Name 4.10.0-37.41~16.04.1-generic 4.10.17
  Uname: Linux 4.10.0-37-generic ppc64le
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: ppc64el
  Date: Mon Oct 16 10:10:46 2017
  ProcEnviron:
-  TERM=xterm-256color
-  PATH=(custom, no user)
-  XDG_RUNTIME_DIR=
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  TERM=xterm-256color
+  PATH=(custom, no user)
+  XDG_RUNTIME_DIR=
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcLoadAvg: 0.00 0.00 0.57 1/1457 83356
  ProcLocks:
-  1: POSIX  ADVISORY  WRITE 1604 00:14:19651 0 EOF
-  2: POSIX  ADVISORY  WRITE 2937 00:14:55331 0 EOF
-  3: FLOCK  ADVISORY  WRITE 3046 00:14:67623 0 EOF
-  4: POSIX  ADVISORY  WRITE 3124 00:14:57398 0 EOF
-  5: POSIX  ADVISORY  WRITE 3047 00:14:87068 0 EOF
+  1: POSIX  ADVISORY  WRITE 1604 00:14:19651 0 EOF
+  2: POSIX  ADVISORY  WRITE 2937 00:14:55331 0 EOF
+  3: FLOCK  ADVISORY  WRITE 3046 00:14:67623 0 EOF
+  4: POSIX  ADVISORY  WRITE 3124 00:14:57398 0 EOF
+  5: POSIX  ADVISORY  WRITE 3047 00:14:87068 0 EOF
  ProcSwaps:
-  Filename TypeSizeUsedPriority
-  /swap.img   file 8388544 0   -1
+  Filename TypeSizeUsedPriority
+  /swap.img   file 8388544 0   -1
  ProcVersion: Linux version 4.10.0-37-generic (buildd@bos01-ppc64el-026) (gcc 
version 5.4.0 20160609 (User Name/IBM 5.4.0-6ubuntu1~16.04.4) ) 
#41~16.04.1-User Name SMP Fri Oct 6 22:44:24 UTC 2017
  SourcePackage: linux-hwe
  UpgradeStatus: No upgrade log present (probably fresh install)
  cpu_cores: Number of cores present = 20
  cpu_coreson: Number of cores online = 20
  cpu_smt: SMT is off

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Frank Heimes]

** Changed in: ubuntu-power-systems
   Status: Confirmed => In Progress

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

It generally looks good, there are some minor details but I can fix
those up when preparing the upload.

In this case it isn't much more than identifying the right upstream
change, but thanks a lot as this is often the most important part!

I plan to combine this with the fix for bug 1723904 which would allow
you to only run one verification for both.

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

Since this fix is in 2.6 is is in >=Yakkety, so nonly considering Xenial
for the SRU

** Also affects: qemu (Ubuntu Artful)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Artful)
   Importance: Undecided
   Status: New

** Also affects: qemu (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Also affects: linux (Ubuntu Xenial)
   Importance: Undecided
   Status: New

** Changed in: qemu (Ubuntu Artful)
   Status: New => Fix Released

** Changed in: qemu (Ubuntu Xenial)
   Status: New => Triaged

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Ubuntu Foundations Team Bug Bot]

The attachment "debdiff for Xenial qemu" seems to be a debdiff.  The
ubuntu-sponsors team has been subscribed to the bug report so that they
can review and hopefully sponsor the debdiff.  If the attachment isn't a
patch, please remove the "patch" flag from the attachment, remove the
"patch" tag, and if you are member of the ~ubuntu-sponsors, unsubscribe
the team.

[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issue please contact him.]

** Tags added: patch

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Murilo Opsfelder Araújo]

** Patch added: "debdiff for Xenial qemu"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1723914/+attachment/5099155/+files/debdiff_qemu_xenial.patch

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Murilo Opsfelder Araújo]

Manoj, Christian,

Please refer to the attached debdiff (it was my first debdiff, so it
might contain errors :)).

Let me know if you need anything else.

Cheers
Murilo

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Manoj Iyer]

mopsfelder, could you please provide us a debdiff for xenial?

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Frank Heimes]

** Also affects: ubuntu-power-systems
   Importance: Undecided
   Status: New

** Changed in: ubuntu-power-systems
   Status: New => Confirmed

** Changed in: ubuntu-power-systems
   Importance: Undecided => Medium

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Title:
  ubuntu-kvm-unit test failed with emulator test on ppc64le

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[bugproxy]

** Tags removed: targetmilestone-inin16043
** Tags added: targetmilestone-inin16045

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Title:
  ubuntu-kvm-unit test failed with emulator test on ppc64le

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Murilo Opsfelder Araújo]

Pior to commit 8b9f2118ca40b1de72d8f75b59a5fb4d347a69f7 ("ppc64: set
MSR_SF bit"), qemu-system-ppc64 was not setting the 64-bit mode bit in
MSR.

Applying it on top of qemu 2.5 from Ubuntu 16.04.04, makes kvm-unit-
tests happy.

muriloo@jaspion1:~/sources/ubuntu$ dpkg-source -x qemu_2.5+dfsg-5ubuntu10.24.dsc
muriloo@jaspion1:~/sources/ubuntu$ cd qemu-2.5+dfsg/
muriloo@jaspion1:~/sources/ubuntu/qemu-2.5+dfsg$ patch -p1 < 
~/sources/qemu/0001-ppc64-set-MSR_SF-bit.patch
patching file target-ppc/translate_init.c
Hunk #1 succeeded at 9581 (offset -122 lines).
muriloo@jaspion1:~/sources/ubuntu/qemu-2.5+dfsg$ ./configure 
--target-list=ppc64-softmmu && make -j$(nproc)
muriloo@jaspion1:~/sources/ubuntu/qemu-2.5+dfsg$ cd 
~/sources/kvm-unit-tests/build/
muriloo@jaspion1:~/sources/kvm-unit-tests/build$ ../configure --endian=little 
&& make -j$(nproc)
muriloo@jaspion1:~/sources/kvm-unit-tests/build$ sudo 
QEMU=/home/muriloo/sources/ubuntu/qemu-2.5+dfsg/ppc64-softmmu/qemu-system-ppc64 
TESTNAME=emulator TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
[sudo] password for muriloo: 
timeout -k 1s --foreground 90s 
/home/muriloo/sources/ubuntu/qemu-2.5+dfsg/ppc64-softmmu/qemu-system-ppc64 
-nodefaults -machine pseries,accel=kvm -bios powerpc/boot_rom.bin -display none 
-serial stdio -kernel powerpc/emulator.elf -smp 1 # -initrd /tmp/tmp.Tanwa3UNM4
PASS: emulator: 64bit: detected
PASS: emulator: invalid: exception
PASS: emulator: lswx: alignment
PASS: emulator: lswi: alignment
SUMMARY: 4 tests

EXIT: STATUS=1

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

I think there is no general "mirror all" policy.
It just seems to me that this is requiring an architecture expert which would 
be at IBM.

I'll subscribe manoj/jfh and let them decide.

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Po-Hsu Lin]

Hello Christian,
No I'm not debugging this. Not sure what's our policy for this kind of issue, 
do we always mirror them to IBM?

Came back on this because I saw the qemu update in bug 1712803, tracking
bugs found with regression-testing is a part of the SRU testing process.

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[ChristianEhrhardt]

Hi Po-Hsu,
are you still debugging this - or do you want to ask this to be mirrored to IBM?
It could again be something that is only working in latter versions - and 
depending on the change we might (or not) backport the fix.

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Po-Hsu Lin]

It's still failing on Xenial, let keep this bug open.

# TESTNAME=emulator TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
timeout -k 1s --foreground 90s /usr/bin/qemu-system-ppc64 -nodefaults -machine 
pseries,accel=kvm -bios powerpc/boot_rom.bin -display none -serial stdio 
-kernel powerpc/emulator.elf -smp 1 # -initrd /tmp/tmp.1U5S1gr1oT
FAIL: emulator: 64bit: detected
PASS: emulator: invalid: exception
PASS: emulator: lswx: alignment
PASS: emulator: lswi: alignment
SUMMARY: 4 tests, 1 unexpected failures

EXIT: STATUS=3
Rroot@modoc:/home/ubuntu/kvm-unit-tests# uname -a
Linux modoc 4.13.0-36-generic #40~16.04.1-Ubuntu SMP Fri Feb 16 23:27:02 UTC 
2018 ppc64le ppc64le ppc64le GNU/Linux

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Po-Hsu Lin]

This test has passed on 4.13 Artful, need to check on other releases.
(Xenial)

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[bugproxy]

** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin16043

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[bugproxy]

** Tags added: architecture-ppc64le bugnameltc-160548 severity-medium
targetmilestone-inin---

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  ubuntu-kvm-unit test failed with emulator test on ppc64le

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Po-Hsu Lin]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Po-Hsu Lin]

With qemu-2.7.1 built from source:
# export QEMU=/home/ubuntu/qemu-2.7.1/ppc64-softmmu/qemu-system-ppc64
# TESTNAME=emulator TIMEOUT=90s ACCEL= ./powerpc/run powerpc/emulator.elf -smp 1
timeout -k 1s --foreground 90s 
/home/ubuntu/qemu-2.7.1/ppc64-softmmu/qemu-system-ppc64 -nodefaults -machine 
pseries,accel=kvm -bios powerpc/boot_rom.bin -display none -serial stdio 
-kernel powerpc/emulator.elf -smp 1 # -initrd /tmp/tmp.2wiGOtABBN
PASS: emulator: 64bit: detected
PASS: emulator: invalid: exception
PASS: emulator: lswx: alignment
PASS: emulator: lswi: alignment
SUMMARY: 4 tests

EXIT: STATUS=1


** Package changed: linux-hwe (Ubuntu) => linux (Ubuntu)

** Also affects: qemu (Ubuntu)
   Importance: Undecided
   Status: New

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[Bug 1723914] Re: ubuntu-kvm-unit test failed with emulator test on ppc64le

[Po-Hsu Lin]

Steps to reproduce:
1. deploy xenial + HWE kernel on a ppc64el box
2. sudo apt-get install qemu-kvm -y
3. git clone --depth=1 
https://git.kernel.org/pub/scm/virt/kvm/kvm-unit-tests.git
4. cd kvm-unit-tests
5. ./configure --endian=little; make
6. sudo ppc64_cpu --smt=off
7. sudo ./run_tests -v

>From here you will see it's using the elf file from kvm-unit-tests/powerpc and 
>failed with 3 tests:
 - spapr_hcall (bug 1712803)
 - emulator (bug 1723914)
 - sprs (bug 1723904)

To run it with a newer qemu built from source:
1. wget http://download.qemu-project.org/qemu-2.10.0.tar.xz
2. tar -xf qemu-2.10.0.tar.xz
3. cd qemu-2.10.0
4. ./configure; make
5. cd ~/kvm-unit-tests
6. sudo su
7. export QEMU=/home/ubuntu/qemu-2.10.0/ppc64-softmmu/qemu-system-ppc64
8. ./run_test -v

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