Since the "shix" machine has been removed, the "r2d" machine is the only
machine that is still available for the sh4 and sh4eb targets. However,
the "r2d" machine apparently does not work in big endian mode, see here:
https://lore.kernel.org/qemu-devel/87a5fwjjew.wl-ysato@users.sourceforge.jp/
So there is no working machine left in the sh4eb-softmmu target, i.e. it
is currently completely useless. Thus remove it from the configuration
now. (Note: The linux-user binary is not removed since it might still
be used to run sh4 binaries in big endian mode).
Message-ID: <20240926105843.81385-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Commit 0ea0538fae removed the default machine of the sh4
binaries, so a lot of iotests are failing now without such a default
machine. Teach the iotest harness to use the "r2d" machine instead
to fix this problem.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
When compiling QEMU just with "--target-list=or1k-softmmu", there
are 8 iotests failing that try to use PCI devices - but the default
or1k machine does not have a PCI bus. The "virt" machine is better
suited for running the iotests than the or1k default machine since
it provides PCI and thus e.g. support for virtio-blk and virtio-scsi,
too. With this change, there are no failing iotests anymore when
using the qemu-system-or1k binary for running the tests.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Error reporting from gnutls was improved by:
commit 57941c9c86
Author: Daniel P. Berrangé <berrange@redhat.com>
Date: Fri Mar 15 14:07:58 2024 +0000
crypto: push error reporting into TLS session I/O APIs
This has the effect of changing the output from one of the NBD
tests.
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Apparently 'qemu-img info' doesn't report the backing file format field
for qed (as it does for qcow2):
$ qemu-img create -f qed base.qed 1M && qemu-img create -f qed -b base.qed -F qed top.qed 1M
$ qemu-img create -f qcow2 base.qcow2 1M && qemu-img create -f qcow2 -b base.qcow2 -F qcow2 top.qcow2 1M
$ qemu-img info top.qed | grep 'backing file format'
$ qemu-img info top.qcow2 | grep 'backing file format'
backing file format: qcow2
This leads to the 024 test failure with -qed. Let's just filter the
field out and exclude it from the output.
This is a fixup for the commit f93e65ee51 ("iotests/{024, 271}: add
testcases for qemu-img rebase").
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
Message-ID: <20240730094701.790624-1-andrey.drobyshev@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Added several tests to verify the implementation of the vvfat driver.
We needed a way to interact with it, so created a basic `fat16.py` driver
that handled writing correct sectors for us.
Added `vvfat` to the non-generic formats, as its not a normal image format.
Signed-off-by: Amjad Alsharafi <amjadsharafi10@gmail.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <bb8149c945301aefbdf470a0924c07f69f9c087d.1721470238.git.amjadsharafi10@gmail.com>
[kwolf: Made mypy and pylint happy to unbreak 297]
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Python 3.13 isn't out yet, but it's in beta and Fedora is ramping up to
make it the default system interpreter for Fedora 41.
They moved our cheese for where ContextManager lives; add a conditional
to locate it while we support both pre-3.9 and 3.13+.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20240626232230.408004-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
When opening an image with discard=off, we punch hole in the image when
writing zeroes, making the image sparse. This breaks users that want to
ensure that writes cannot fail with ENOSPACE by using fully allocated
images[1].
bdrv_co_pwrite_zeroes() correctly disables BDRV_REQ_MAY_UNMAP if we
opened the child without discard=unmap or discard=on. But we don't go
through this function when accessing the top node. Move the check down
to bdrv_co_do_pwrite_zeroes() which seems to be used in all code paths.
This change implements the documented behavior, punching holes only when
opening the image with discard=on or discard=unmap. This may not be the
best default but can improve it later.
The test depends on a file system supporting discard, deallocating the
entire file when punching hole with the length of the entire file.
Tested with xfs, ext4, and tmpfs.
[1] https://lists.nongnu.org/archive/html/qemu-discuss/2024-06/msg00003.html
Signed-off-by: Nir Soffer <nsoffer@redhat.com>
Message-id: 20240628202058.1964986-3-nsoffer@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The test works since we punch holes by default even when opening the
image without discard=on or discard=unmap. Fix the test to enable
discard.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
We want to disable filename parsing for data files because it's too easy
to abuse in malicious image files. Make the test ready for the change by
passing the data file explicitly in command line options.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
We want to disable filename parsing for data files because it's too easy
to abuse in malicious image files. Make the test ready for the change by
passing the data file explicitly in command line options.
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
One use case for 'qemu-img info' is verifying that untrusted images
don't reference an unwanted external file, be it as a backing file or an
external data file. To make sure that calling 'qemu-img info' can't
already have undesired side effects with a malicious image, just don't
open the data file at all with BDRV_O_NO_IO. If nothing ever tries to do
I/O, we don't need to have it open.
This changes the output of iotests case 061, which used 'qemu-img info'
to show that opening an image with an invalid data file fails. After
this patch, it succeeds. Replace this part of the test with a qemu-io
call, but keep the final 'qemu-img info' to show that the invalid data
file is correctly displayed in the output.
Fixes: CVE-2024-4467
Cc: qemu-stable@nongnu.org
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Prevent regressions when using NBD with TLS in the presence of
iothreads, adding coverage the fix to qio channels made in the
previous patch.
The shell function pick_unused_port() was copied from
nbdkit.git/tests/functions.sh.in, where it had all authors from Red
Hat, agreeing to the resulting relicensing from 2-clause BSD to GPLv2.
CC: qemu-stable@nongnu.org
CC: "Richard W.M. Jones" <rjones@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-ID: <20240531180639.1392905-6-eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
We want to have similar QMP objects in different tests. Reworking these
objects to make common parts by calling some helper functions doesn't
seem good. It's a lot more comfortable to see the whole QAPI request in
one place.
So, let's increase the limit, to unblock further commit
"iotests: add backup-discard-source"
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Add test for a new backup option: discard-source.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Message-Id: <20240313152822.626493-6-vsementsov@yandex-team.ru>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Currently block_copy creates copy_bitmap in source node. But that is in
bad relation with .independent_close=true of copy-before-write filter:
source node may be detached and removed before .bdrv_close() handler
called, which should call block_copy_state_free(), which in turn should
remove copy_bitmap.
That's all not ideal: it would be better if internal bitmap of
block-copy object is not attached to any node. But that is not possible
now.
The simplest solution is just create copy_bitmap in filter node, where
anyway two other bitmaps are created.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Message-Id: <20240313152822.626493-4-vsementsov@yandex-team.ru>
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
The block migration is considered obsolete and has been deprecated in
8.2. Remove the migrate command option that enables it. This only
affects the QMP and HMP commands, the feature can still be accessed by
setting the migration 'block' capability. The whole feature will be
removed in a future patch.
Deprecation commit 8846b5bfca ("migration: migrate 'blk' command
option is deprecated.").
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Previously, bdrv_pad_request() could not deal with a NULL qiov when
a read needed to be aligned. During prefetch, a stream job will pass a
NULL qiov. Add a test case to cover this scenario.
By accident, also covers a previous race during shutdown, where block
graph changes during iteration in bdrv_flush_all() could lead to
unreferencing the wrong block driver state and an assertion failure
later.
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240322095009.346989-5-f.ebner@proxmox.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tests 157 and 227 use the virtio-blk device, so we have to mark these
tests accordingly to be skipped if this devices is not available (e.g.
when running the tests with qemu-system-avr only).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240325154737.1305063-1-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Failure was noticed when running the tests for the qcow2 image format.
Fixes: 0bd779e27e ("crypto: Introduce 'detached-header' field in QCryptoBlockInfoLUKS")
Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
Message-ID: <20240216101415.293769-1-f.ebner@proxmox.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tests that use "--blockdev" with the "file" driver cannot work with
other protocols, so we should mark them accordingly.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-10-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Tests 263, 284 and detect-zeroes-registered-buf use qemu-io
with --image-opts so we have to enforce IMGOPTSSYNTAX=true here
to get $TEST_IMG in shape for other protocols than "file".
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-9-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
These tests 188, 189 and 198 use qemu-io with --image-opts with additional
hard-coded parameters for the file protocol, so they cannot work for other
protocols. Thus we have to limit these tests to the file protocol only.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-8-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The test fails completely when you try to use it with a different
protocol, e.g. with "./check -ssh -qcow2 156".
The test uses some hand-crafted JSON statements which cannot work with other
protocols, thus let's change this test to only support the 'file' protocol.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-7-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Commit b25b387fa5 updated the iotests 134 and 158 to use the --image-opts
parameter for qemu-io with file protocol related options, but forgot to
update the _supported_proto line accordingly. So let's do that now.
Fixes: b25b387fa5 ("qcow2: convert QCow2 to use QCryptoBlock for encryption")
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-6-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Using "-drive ...,backing.file.filename=..." only works with the
file protocol, but not with URIs, so mark this test accordingly.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-5-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
iotest 114 uses "truncate" and the qcow2.py script on the destination file,
which both cannot deal with URIs. Thus this test needs the "file" protocol,
otherwise it fails with an error message like this:
truncate: cannot open 'ssh://127.0.0.1/tmp/qemu-build/tests/qemu-iotests/scratch/qcow2-ssh-114/t.qcow2.orig'
for writing: No such file or directory
Thus mark this test for "file protocol only" accordingly.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-4-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The hand-crafted json statement in this test only works if the test
is run with the "file" protocol, so mark this test accordingly.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-3-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
When running iotest 033 with the ssh protocol, it fails with:
033 fail [14:48:31] [14:48:41] 10.2s output mismatch
--- /.../tests/qemu-iotests/033.out
+++ /.../tests/qemu-iotests/scratch/qcow2-ssh-033/033.out.bad
@@ -174,6 +174,7 @@
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
wrote 512/512 bytes at offset 2097152
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qemu-io: warning: Failed to truncate the tail of the image: ssh driver does not support shrinking files
read 512/512 bytes at offset 0
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
We already check for the qcow2 format here, so let's simply also
add a check for the protocol here, too, to only test the truncation
with the file protocol.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20240315111108.153201-2-thuth@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
When running the command `qemu-img snapshot -l SNAPSHOT` the output of
VM_CLOCK (measures the offset between host and VM clock) cannot to
accommodate values in the order of thousands (4-digit).
This line [1] hints on the problem. Additionally, the column width for
the VM_CLOCK field was reduced from 15 to 13 spaces in commit b39847a5
in line [2], resulting in a shortage of space.
[1]:
https://gitlab.com/qemu-project/qemu/-/blob/master/block/qapi.c?ref_type=heads#L753
[2]:
https://gitlab.com/qemu-project/qemu/-/blob/master/block/qapi.c?ref_type=heads#L763
This patch restores the column width to 15 spaces and makes adjustments
to the affected iotests accordingly. Furthermore, addresses a potential
source
of confusion by removing whitespace in column headers. Example, VM CLOCK
is modified to VM_CLOCK. Additionally a '--' symbol is introduced when
ICOUNT returns no output for clarity.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2062
Fixes: b39847a505 ("migration: introduce icount field for snapshots")
Signed-off-by: Abhiram Tilak <atp.exp@gmail.com>
Message-ID: <20240123050354.22152-2-atp.exp@gmail.com>
[kwolf: Fixed up qemu-iotests 261 and 286]
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This replicates the scenario in which the bug was reported.
Unfortunately this relies on actually executing a guest (so that the
firmware initialises the virtio-blk device and moves it to its
configured iothread), so this can't make use of the qtest accelerator
like most other test cases. I tried to find a different easy way to
trigger the bug, but couldn't find one.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20240314165825.40261-3-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Since commit effd60c8 changed how QMP commands are processed, the order
of the block-commit return value and job events in iotests 144 wasn't
fixed and more and caused the test to fail intermittently.
Change the test to cache events first and then print them in a
predefined order.
Waiting three times for JOB_STATUS_CHANGE is a bit uglier than just
waiting for the JOB_STATUS_CHANGE that has "status": "ready", but the
tooling we have doesn't seem to allow the latter easily.
Fixes: effd60c878
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2126
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20240209173103.239994-1-kwolf@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Update x86 CPU model docs and script
- Add missing close of chardev QIOChannel
- More trace events o nTKS handshake
- Drop unsafe VNC constants
- Increase NOFILE limit during startup
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Merge tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu into staging
- LUKS support for detached headers
- Update x86 CPU model docs and script
- Add missing close of chardev QIOChannel
- More trace events o nTKS handshake
- Drop unsafe VNC constants
- Increase NOFILE limit during startup
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# gpg: Signature made Fri 09 Feb 2024 14:04:05 GMT
# gpg: using RSA key DAF3A6FDB26B62912D0E8E3FBE86EBB415104FDF
# gpg: Good signature from "Daniel P. Berrange <dan@berrange.com>" [full]
# gpg: aka "Daniel P. Berrange <berrange@redhat.com>" [full]
# Primary key fingerprint: DAF3 A6FD B26B 6291 2D0E 8E3F BE86 EBB4 1510 4FDF
* tag 'misc-fixes-pull-request' of https://gitlab.com/berrange/qemu:
tests: Add case for LUKS volume with detached header
crypto: Introduce 'detached-header' field in QCryptoBlockInfoLUKS
block: Support detached LUKS header creation using qemu-img
block: Support detached LUKS header creation using blockdev-create
crypto: Modify the qcrypto_block_create to support creation flags
qapi: Make parameter 'file' optional for BlockdevCreateOptionsLUKS
crypto: Support LUKS volume with detached header
io: add trace event when cancelling TLS handshake
chardev: close QIOChannel before unref'ing
docs: re-generate x86_64 ABI compatibility CSV
docs: fix highlighting of CPU ABI header rows
scripts: drop comment about autogenerated CPU API file
softmmu: remove obsolete comment about libvirt timeouts
ui: drop VNC feature _MASK constants
qemu_init: increase NOFILE soft limit on POSIX
crypto: Introduce SM4 symmetric cipher algorithm
meson: sort C warning flags alphabetically
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Also, add a section to the MAINTAINERS file for detached
LUKS header, it only has a test case in it currently.
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
When querying the LUKS disk with the qemu-img tool or other APIs,
add information about whether the LUKS header is detached.
Additionally, update the test case with the appropriate
modification.
Signed-off-by: Hyman Huang <yong.huang@smartx.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
If something goes wrong causing the iotests not to cleanup their
temporary directory, it is useful if the dir had an identifying
name to show what is to blame.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240205155158.1843304-1-berrange@redhat.com>
Revieved-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Creating an instance of the 'TestEnv' class will create a temporary
directory. This dir is only deleted, however, in the __exit__ handler
invoked by a context manager.
In dry-run mode, we don't use the TestEnv via a context manager, so
were leaking the temporary directory. Since meson invokes 'check'
5 times on each configure run, developers /tmp was filling up with
empty temporary directories.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20240205154019.1841037-1-berrange@redhat.com>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
If socket path is too long (longer than 108 bytes), socket can't be
opened. This might lead to failure when test dir path is long enough.
Make sure socket is created in iotests.sock_dir to avoid such a case.
This commit basically aligns iotests/277 with the rest of iotests.
Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
Message-ID: <20240124162257.168325-1-andrey.drobyshev@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Since Python 3.11 asyncio.TimeoutError is an alias for TimeoutError, but
in older versions it's not. We really have to catch asyncio.TimeoutError
here, otherwise a slow test run will fail (as has happened multiple
times on CI recently).
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20240125152150.42389-1-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
If socket path is too long (longer than 108 bytes), socket can't be
opened. This might lead to failure when test dir path is long enough.
Make sure socket is created in iotests.sock_dir to avoid such a case.
This commit basically aligns iotests/264 with the rest of iotests.
Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
Message-ID: <20240125135237.189493-1-andrey.drobyshev@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
monitor_qmp_dispatcher_co() runs in the iohandler AioContext that is not
polled during nested event loops. The coroutine currently reschedules
itself in the main loop's qemu_aio_context AioContext, which is polled
during nested event loops. One known problem is that QMP device-add
calls drain_call_rcu(), which temporarily drops the BQL, leading to all
sorts of havoc like other vCPU threads re-entering device emulation code
while another vCPU thread is waiting in device emulation code with
aio_poll().
Paolo Bonzini suggested running non-coroutine QMP handlers in the
iohandler AioContext. This avoids trouble with nested event loops. His
original idea was to move coroutine rescheduling to
monitor_qmp_dispatch(), but I resorted to moving it to qmp_dispatch()
because we don't know if the QMP handler needs to run in coroutine
context in monitor_qmp_dispatch(). monitor_qmp_dispatch() would have
been nicer since it's associated with the monitor implementation and not
as general as qmp_dispatch(), which is also used by qemu-ga.
A number of qemu-iotests need updated .out files because the order of
QMP events vs QMP responses has changed.
Solves Issue #1933.
Cc: qemu-stable@nongnu.org
Fixes: 7bed89958b ("device_core: use drain_call_rcu in in qmp_device_add")
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2215192
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2214985
Buglink: https://issues.redhat.com/browse/RHEL-17369
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240118144823.1497953-4-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The common.qemu bash functions allow tests to interact with the QMP
monitor of a QEMU process. I spent two days trying to update 141 when
the order of the test output changed, but found it would still fail
occassionally because printf() and QMP events race with synchronous QMP
communication.
I gave up and ported 141 to the existing Python API for QMP tests. The
Python API is less affected by the order in which QEMU prints output
because it does not print all QMP traffic by default.
The next commit changes the order in which QMP messages are received.
Make 141 reliable first.
Cc: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240118144823.1497953-3-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add a filter function for QMP responses that contain QEMU's
automatically generated node ids. The ids change between runs and must
be masked in the reference output.
The next commit will use this new function.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-ID: <20240118144823.1497953-2-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This member has been deprecated before the 8.1 release, in commit
34c18203d4 ("qmp: Deprecate 'singlestep' member of StatusInfo").
Time to drop it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240117151430.29235-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This variable is about the host OS, not the target. It is used a lot
more since the Meson conversion, but the original sin dates back to 2003.
Time to fix it.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The AioContext lock no longer exists.
There is one noteworthy change:
- * More specifically, these functions use BDRV_POLL_WHILE(bs), which
- * requires the caller to be either in the main thread and hold
- * the BlockdriverState (bs) AioContext lock, or directly in the
- * home thread that runs the bs AioContext. Calling them from
- * another thread in another AioContext would cause deadlocks.
+ * More specifically, these functions use BDRV_POLL_WHILE(bs), which requires
+ * the caller to be either in the main thread or directly in the home thread
+ * that runs the bs AioContext. Calling them from another thread in another
+ * AioContext would cause deadlocks.
I am not sure whether deadlocks are still possible. Maybe they have just
moved to the fine-grained locks that have replaced the AioContext. Since
I am not sure if the deadlocks are gone, I have kept the substance
unchanged and just removed mention of the AioContext.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-ID: <20231205182011.1976568-15-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
We have a few test cases that include tests for corner case aspects of
internal snapshots, but nothing that tests that they actually function
as snapshots or that involves deleting a snapshot. Add a test for this
kind of basic internal snapshot functionality.
The error cases include a regression test for the crash we just fixed
with snapshot operations on inactive images.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231201142520.32255-4-kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Let's use 'unsupported_configs' and 'tested_configs' here
instead of non-inclusive words.
Message-ID: <20231122084000.809696-1-thuth@redhat.com>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
If the text description file is larger than DESC_SIZE, we force the last
byte in the buffer to be 0 and write it out.
This results in a corruption.
Try to allocate a big buffer in this case.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1923
Signed-off-by: Fam Zheng <fam@euphon.net>
Message-ID: <20231124115654.3239137-1-fam@euphon.net>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
