This test hotplugs a CD drive to a VM and checks that I/O limits can
be set only when the drive has media inserted and that they are kept
when the media is replaced.
This also tests the removal of a device with valid I/O limits set but
no media inserted. This involves deleting and disabling the limits
of a BlockBackend without BlockDriverState, a scenario that has been
crashing until the fixes from the last couple of patches.
[Python PEP8 fixup: "Don't use spaces are the = sign when used to
indicate a keyword argument or a default parameter value"
--Stefan]
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 071eb397118ed207c5a7f01d58766e415ee18d6a.1510339534.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The test-crypto-block currently fails if encryption has not been
compiled into QEMU:
TEST: tests/test-crypto-block... (pid=22231)
/crypto/block/qcow: OK
/crypto/block/luks/default:
Unexpected error in qcrypto_pbkdf2() at qemu/crypto/pbkdf-stub.c:41:
FAIL
GTester: last random seed: R02Sbbb5b6f299c6727f41bb50ba4aa6ef5c
(pid=22237)
/crypto/block/luks/aes-256-cbc-plain64:
Unexpected error in qcrypto_pbkdf2() at qemu/crypto/pbkdf-stub.c:41:
FAIL
GTester: last random seed: R02S3e27992a5ab4cc95e141c4ed3c7f0d2e
(pid=22239)
/crypto/block/luks/aes-256-cbc-essiv:
Unexpected error in qcrypto_pbkdf2() at qemu/crypto/pbkdf-stub.c:41:
FAIL
GTester: last random seed: R02S51b52bb02a66c42d8b331fd305384f53
(pid=22241)
FAIL: tests/test-crypto-block
So run the luks test only if the required encryption support is available.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
test_multi_co_schedule_entry() set to_schedule[id] in the final loop
iteration before terminating the coroutine. There is a race condition
where the main thread attempts to enter the terminating or terminated
coroutine when signalling coroutines to stop:
atomic_mb_set(&now_stopping, true);
for (i = 0; i < NUM_CONTEXTS; i++) {
ctx_run(i, finish_cb, NULL); <--- enters dead coroutine!
to_schedule[i] = NULL;
}
Make sure only to set to_schedule[id] if this coroutine really needs to
be scheduled!
Reported-by: "R.Nageswara Sastry" <nasastry@in.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20171106190233.1175-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Since 927128222b QEMU depends of keycodemapdb, which uses the python 'csv'
module from stdlib to parse keymaps.csv.
Without this package the build fails:
GEN ui/input-keymap-linux-to-qcode.c
Traceback (most recent call last):
File "ui/keycodemapdb/tools/keymap-gen", line 15, in <module>
import csv
ImportError: No module named csv
GEN ui/input-keymap-qcode-to-qnum.c
Traceback (most recent call last):
File "ui/keycodemapdb/tools/keymap-gen", line 15, in <module>
import csv
ImportError: No module named csv
[...]
CC ui/input-keymap.o
ui/input-keymap.c:8:44: fatal error: ui/input-keymap-linux-to-qcode.c: No such file or directory
make: *** [ui/input-keymap.o] Error 1
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Minimal implementation: for structured error only error_report error
message.
Note that test 83 is now more verbose, because the implementation
prints more warnings about unexpected communication errors; perhaps
future patches should tone things down by using trace messages
instead of traces, but the common case of successful communication
is no noisier than before.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171027104037.8319-13-eblake@redhat.com>
As we have two guests running, just pass always who we want to send a
message to. Once there, refactor return_or_event() into wait_command.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Instead of repeating the code, we are going to bo more tests on this file
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Apparently it would be a good idea to test that, too.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171009215533.12530-4-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Whenever the actual image size is not part of the test, it should be
filtered as it depends on the host filesystem.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171009163456.485-3-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Tests 067 and 087 filter the actual image size because it depends on the
host filesystem (and is not part of the respective test). Since this is
generally true, we should have a common filter function for this, so
let's pull out the sed line from both tests into such a function.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171009163456.485-2-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170929170843.3711-1-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Previously, the alloc command required that input parameters be
sector-aligned and clamped to 32 bits, because the underlying
bdrv_is_allocated used a 32-bit parameter and asserted aligned
inputs. But now that we have fixed block status to report a
64-bit bytes value, and to properly round requests on behalf of
guests, we can pass any values, and can use qemu-io to add
coverage that our rounding is correct regardless of the guest
alignment constraints.
Update iotest 177 to intentionally probe block status at
unaligned boundaries as well as with a bytes value that does not
map to 32-bit sectors, which also required tweaking the image
prep to leave an unallocated portion to the image under test.
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
If a read error is encountered during 'qemu-img compare', we
were printing the "Error while reading offset ..." message twice;
this was because our helper function was awkward, printing output
on some but not all paths. Fix it to consistently report errors
on all paths, so that the callers do not risk a redundant message,
and update the testsuite for the improved output.
Further simplify the code by hoisting the conversion from an error
message to an exit code into the helper function, rather than
repeating that logic at all callers (yes, the helper function is
now less generic, but it's a net win in lines of code).
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This changes test case 191 to include a backing image that has
backing_fmt set in the image file, but is referenced by node name in the
qemu command line.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This will enable us to decouple code translation from the value
of parallel_cpus at any given time. It will also help us minimize
TB flushes when generating code via EXCP_ATOMIC.
Note that the declaration of parallel_cpus is brought to exec-all.h
to be able to define there the "curr_cflags" inline.
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
- (experimental) smp support under tcg
- provide the virtio-input devices for virtio-ccw
- improve error handling in the css code
- enable some simple virtio tests for s390x
- low-address protection in tcg
- some more cleanups and fixes
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20171020' into staging
The last big chunk of s390x changes:
- (experimental) smp support under tcg
- provide the virtio-input devices for virtio-ccw
- improve error handling in the css code
- enable some simple virtio tests for s390x
- low-address protection in tcg
- some more cleanups and fixes
# gpg: Signature made Fri 20 Oct 2017 12:49:22 BST
# gpg: using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>"
# gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# gpg: aka "Cornelia Huck <cohuck@kernel.org>"
# gpg: aka "Cornelia Huck <cohuck@redhat.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20171020: (46 commits)
s390x/tcg: low-address protection support
accel/tcg: allow to invalidate a write TLB entry immediately
tests: Enable the very simple virtio tests on s390x, too
libqtest: Add qtest_[v]startf()
s390x: refactor error handling for MSCH handler
s390x: refactor error handling for HSCH handler
s390x: refactor error handling for CSCH handler
s390x: refactor error handling for XSCH handler
s390x: improve error handling for SSCH and RSCH
s390x/css: IO instr handler ending control
s390x: move s390x_new_cpu() into board code
s390x: fix cpu object referrence leak in s390x_new_cpu()
s390x/event-facility: variable-length event masks
s390x/MAINTAINERS: add mailing list
virtio-ccw: Add the virtio-input devices for CCW bus
target/s390x: special handling when starting a CPU with WAIT PSW
s390x/tcg: refactor stfl(e) to use s390_get_feat_block()
s390x/tcg: unlock NMI
s390x/cpumodel: allow to enable SENSE RUNNING STATUS for qemu
s390x/tcg: switch to new SIGP handling code
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
These tests can easily be used on s390x, too. We just have to make
sure to use the virtio-xxx-ccw devices instead of virtio-xxx-pci.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1508336428-20511-3-git-send-email-thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
We have several callers that were formatting the argument strings
themselves; consolidate this effort by adding new convenience
functions directly in libqtest, and update some call-sites that
can benefit from it.
Note that the new functions qtest_startf() and qtest_vstartf()
behave more like qtest_init() (the caller must assign global_qtest
after the fact, rather than getting it implicitly set). This helps
us prepare for future patches that get rid of the global variable,
by explicitly highlighting which tests still depend on it now.
Signed-off-by: Eric Blake <eblake@redhat.com>
[thuth: Dropped the hunks that do not apply cleanly to qemu master
yet and added the missing g_free(args) in qtest_vstartf()]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1508336428-20511-2-git-send-email-thuth@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Before bcd7f06f57 we source /etc/profile
so the PATH included the right paths to ccache binaries. Now we need to
update $PATH explicitly from run script.
Keep the old /usr/lib around just so that in the future, ccache from 32
bit images will just work.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171018073841.30062-1-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Without this patch, it fails with:
IOError: [Errno 2] No such file or directory:
'tests/docker/dockerfiles/debian-apt-fake.sh'
Signed-off-by: Greg Kurz <groug@kaod.org>
Message-Id: <150841324224.31292.4012464539983692364.stgit@bahia.lan>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
The new script uses "git submodule", which is picky about being invoked
from the top of the git checkout. Invoke the script from $(SRC_PATH)
to avoid git's wrath.
Fixes: b7f404201e
Cc: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1508331989-142364-1-git-send-email-pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
There are temp directories named "docker-src.*" after doing docker
tests. I don't see much point in keeping that (it only contains the
qemu.tar which is exactly current tree, and the copied "run" file).
Let's remove it after test finished.
CC: "Alex Bennée" <alex.bennee@linaro.org>
CC: Fam Zheng <famz@redhat.com>
CC: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20171017071247.32355-1-peterx@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
The existence of tty in the container seems to urge gcc into colorizing
the errors, but the escape chars will clutter the report once turned
into email replies on patchew. Move -t to debug mode.
Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20171013011954.9975-1-famz@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
test introduced in 382176b4d7
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
A bunch of fixes all over the place.
A new vmcore device - the user interface around it is still somewhat
controversial, but I feel most of the code is fine, suggestions can be
addressed by adding patches on top.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
pc, pci, virtio: fixes, features
A bunch of fixes all over the place.
A new vmcore device - the user interface around it is still somewhat
controversial, but I feel most of the code is fine, suggestions can be
addressed by adding patches on top.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 15 Oct 2017 04:02:23 BST
# gpg: using RSA key 0x281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* remotes/mst/tags/for_upstream: (26 commits)
tests/pxe: Test more NICs when running in SPEED=slow mode
pc: remove useless hot_add_cpu initialisation
isapc: Remove unnecessary migration compatibility code
virtio-pci: Replace modern_as with direct access to modern_bar
virtio: fix descriptor counting in virtqueue_pop
hw/gen_pcie_root_port: make IO RO 0 on IO disabled
pci: Validate interfaces on base_class_init
xen/pt: Mark TYPE_XEN_PT_DEVICE as hybrid
pci: Add INTERFACE_CONVENTIONAL_PCI_DEVICE to Conventional PCI devices
pci: Add INTERFACE_PCIE_DEVICE to all PCIe devices
pci: Add interface names to hybrid PCI devices
pci: conventional-pci-device and pci-express-device interfaces
PCI: PCIe access should always be little endian
virtio/pci/migration: Convert to VMState
hw/pci-bridge/pcie_pci_bridge: properly handle MSI unavailability case
pci: allow 32-bit PCI IO accesses to pass through the PCI bridge
virtio/vhost: reset dev->log after syncing
MAINTAINERS: add Dump maintainers
scripts/dump-guest-memory.py: add vmcoreinfo
kdump: set vmcoreinfo location
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Marc-André Lureau - NBD: use g_new() family of functions
- Vladimir Sementsov-Ogievskiy - first half of 00/13 nbd minimal structured read
-----BEGIN PGP SIGNATURE-----
Comment: Public key at http://people.redhat.com/eblake/eblake.gpg
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Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2017-10-14' into staging
nbd patches for 2017-10-14
- Marc-André Lureau - NBD: use g_new() family of functions
- Vladimir Sementsov-Ogievskiy - first half of 00/13 nbd minimal structured read
# gpg: Signature made Sun 15 Oct 2017 01:38:47 BST
# gpg: using RSA key 0xA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>"
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>"
# gpg: aka "[jpeg image of size 6874]"
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A
* remotes/ericb/tags/pull-nbd-2017-10-14:
nbd: header constants indenting
nbd/server: simplify reply transmission
nbd/server: refactor nbd_co_send_simple_reply parameters
nbd/server: do not use NBDReply structure
nbd/server: structurize simple reply header sending
nbd: rename some simple-request related objects to be _simple_
block/nbd-client: refactor nbd_co_receive_reply
block/nbd-client: assert qiov len once in nbd_co_request
NBD: use g_new() family of functions
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If QEMU has been compiled with the flags --enable-tcg-interpreter and
--enable-debug, the guest is running incredibly slow. The prom-env
test is approximately 10 times slower than normal in this case, and
it takes up to 500 seconds until the test with the pseries machine
finishs. While we should still look for ways to speed up the test
on the pseries machine here, let's bump the timeout to 600 seconds to
allow the test to pass with this unusal configuration already now.
Also move the pseries test into the "slow" category - since it is
really a very slow test.
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[PMD: split of some files in other commits of the same series, add libqtest.c]
Acked-by: John Snow <jsnow@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
The pxe-test is a very good test to excercise NICs, thus we should use
it to test all NICs that can be used by the BIOS for booting via network.
However, to avoid that the default testing time increases too much, the
additional NICs are only tested in the "make check SPEED=slow" mode.
The virtio-net NIC on ppc64 is now also only tested in slow mode, since
the test on ppc64 is really quite slow and we've got test coverage for
virtio-net in big endian mode now on s390x, too.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
To be consistent when their _structured_ analogs will be introduced.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20171012095319.136610-4-vsementsov@virtuozzo.com>
[eblake: also tweak trace message contents]
Signed-off-by: Eric Blake <eblake@redhat.com>
Only process received packets if the queue has been started.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20171002191521.15748-3-dgilbert@redhat.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
All scripts that use the QEMUMachine and QEMUQtestMachine classes
(device-crash-test, tests/migration/*, iotests.py, basevm.py)
already configure logging.
The basicConfig() call inside QEMUMachine.__init__() is being
kept just to make sure a script would still work if it didn't
configure logging.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20171005172013.3098-4-ehabkost@redhat.com>
Reviewed-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The logging module will eventually replace the 'debug' parameter
in QEMUMachine and QEMUMonitorProtocol.
Cc: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20171005172013.3098-2-ehabkost@redhat.com>
Reviewed-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Just setting level=DEBUG when debug is enabled is not enough: we
need to set up a log handler if we want debug messages generated
using logging.getLogger(...).debug() to be printed.
This was not a problem before because logging.debug() calls
logging.basicConfig() implicitly, but it's safer to not rely on
that.
Cc: "Alex Bennée" <alex.bennee@linaro.org>
Cc: Fam Zheng <famz@redhat.com>
Cc: "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170927130339.21444-4-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Set up Python logging module instead of relying on
QEMUMachine._debug to enable debugging messages.
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Cc: qemu-block@nongnu.org
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170927130339.21444-3-ehabkost@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
And actually link to it from vhost-user-bridge.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
do_run_qemu() in iotest 195 first applies _filter_imgfmt when printing
qemu's command line and _filter_testdir only afterwards. Therefore, if
the image format is part of the test directory path, _filter_testdir
will no longer apply and the actual output will differ from the
reference output even in case of success.
For example, TEST_DIR might be "/tmp/test-qcow2", in which case
_filter_imgfmt first transforms this to "/tmp/test-IMGFMT" which is no
longer recognized as the TEST_DIR by _filter_testdir.
Fix this by not applying _filter_imgfmt in do_run_qemu() but in
run_qemu() instead, and only after _filter_testdir.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20170927211334.3988-1-mreitz@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Add a test for qcow2 copy-on-read behavior, including exposure
for the just-fixed bugs.
The copy-on-read behavior is always to a qcow2 image, but the
test is careful to allow running with most image protocol/format
combos as the backing file being copied from (luks being the
exception, as it is harder to pass the right secret to all the
right places). In fact, for './check nbd', this appears to be
the first time we've had a qcow2 image wrapping NBD, requiring
an additional line in _filter_img_create to match the similar
line in _filter_img_info.
Invoking blkdebug to prove we don't write too much took some
effort to get working; and it requires that $TEST_WRAP (based
on $TEST_DIR) not be subject to word splitting. We may decide
later to have the entire iotests suite use relative rather than
absolute names, to avoid problems inherited by the absolute
name of $PWD or $TEST_DIR, at which point the sanity check in
this commit could be simplified.
This test requires at least 2G of consecutive memory to succeed;
as such, it is prone to spurious failures, particularly on
32-bit machines under load. This situation is detected and
triggers an early exit to skip the test, rather than a failure.
To manually provoke this setup on a beefier machine, I used:
$ (ulimit -S -v 1000000; ./check -qcow2 197)
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Executing qemu with a terminal as stdin will temporarily alter stty
settings on that terminal (for example, disabling echo), because of
how we run both the monitor and any multiplexing with guest input.
Normally, qemu restores the original settings on exit; but if an
iotest triggers qemu to abort in the middle, we can be left with
the altered terminal setup. This can make life very annoying when
debugging an iotest failure (not everyone remembers the trick of
blind-typing 'stty sane' without echo, and some people prefer
terminal settings that are slightly different than the defaults
picked by 'stty sane').
It is possible to avoid qemu corrupting the terminal by not passing
a terminal to qemu's stdin in the first place (as in, use
'./check ... </dev/null'), but that's extra typing to have to
remember. But running 'exec </dev/null' in the harness seems like
it might be too heavy of a hammer. So I instead went the the
solution of saving and restoring the stty settings, only when the
harness detects that it is run interactively.
I tested this patch by forcing an allocation failure (I can't
guarantee that this particular limit will work on all setups, but
it shows the idea):
$ (ulimit -S -v 500000; ./check -qcow2 1)
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
We don't need to make any assumptions about the graph layout above the
top node of the commit operation any more. Remove the use of
bdrv_find_overlay() and related variables from the commit job code.
bdrv_drop_intermediate() doesn't use the 'active' parameter any more, so
we can just drop it.
The overlay node was previously added to the block job to get a
BLK_PERM_GRAPH_MOD. We really need to respect those permissions in
bdrv_drop_intermediate() now, but as long as we haven't figured out yet
how BLK_PERM_GRAPH_MOD is actually supposed to work, just leave a TODO
comment there.
With this change, it is now possible to perform another block job on an
overlay node without conflicts. qemu-iotests 030 is changed accordingly.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
QMP responses to certain commands can become quite long, which doesn't
only make reading them hard, but also means that the maximum line length
in patch emails can be exceeded. Allow tests to switch to QMP pretty
printing, which results in more, but shorter lines.
We also need to make sure to keep indentation in the response for this
to work as expected.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
"check" is full of qemu-iotests--specific details. Separating it
from "common" does not make much sense anymore.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
