In kill_qemu() we have an assert that checks that the QEMU process
didn't dump core:
assert(!WCOREDUMP(wstatus));
Unfortunately the WCOREDUMP macro here means the resulting message
is not very easy to comprehend on at least some systems:
ahci-test: tests/libqtest.c:113: kill_qemu: Assertion `!(((__extension__ (((union { __typeof(wstatus) __in; int __i; }) { .__in = (wstatus) }).__i))) & 0x80)' failed.
and it doesn't identify what signal the process took. What's more,
WCOREDUMP is not reliable - in some cases, setrlimit() coupled with
kernel dump settings can result in the flag not being set. It's
better to log ALL death by signal, instead of caring whether a core
dump was attempted (although once we know a signal happened, also
mentioning if a core dump is present can be helpful).
Furthermore, we are NOT detecting EINTR (while EINTR shouldn't be
happening if we didn't install signal handlers, it's still better
to always be robust).
Finally, even non-signal death with a non-zero status is suspicious,
since qemu's SIGINT handler is supposed to result in exit(0).
Instead of using a raw assert, print the information in an
easier to understand way:
/i386/ahci/sanity: tests/libqtest.c:129: kill_qemu() detected QEMU death from signal 11 (Segmentation fault) (core dumped)
(Of course, the really useful information would be why the QEMU
process dumped core in the first place, but we don't have that
by the time the test program has picked up the exit status.)
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180810132800.38549-1-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Core dump reporting and commit message tweaked]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
13 of 13 C99 library function pairs taking ... or a va_list parameter
are called FOO() and vFOO(). In QEMU, we sometimes call the one
taking a va_list FOOv() instead. Bad taste. libqtest.h uses both
spellings. Normalize it to the standard spelling.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-24-armbru@redhat.com>
qtest_init() creates a new QTestState, and leaves @global_qtest alone.
qtest_start() additionally assigns it to @global_qtest, but
qtest_startf() additionally assigns NULL to @global_qtest. This makes
no sense. Replace it by qtest_initf() that works like qtest_init(),
i.e. leaves @global_qtest alone.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-23-armbru@redhat.com>
qtest_qmp() & friends pass their format string and variable arguments
to qobject_from_vjsonf_nofail(). Unlike qobject_from_jsonv(), they
aren't decorated with GCC_FMT_ATTR(). Fix that to get compile-time
format string checking.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-22-armbru@redhat.com>
Leaving interpolation into JSON to qmp() is more robust than building
QMP input manually, as explained in the recent commit "tests: Clean up
string interpolation into QMP input (simple cases)".
migration-test.c interpolates strings into JSON in a few places:
* migrate_set_parameter() interpolates string parameter @value as a
JSON number. Change it to long long. This requires changing
migrate_check_parameter() similarly.
* migrate_set_capability() interpolates string parameter @value as a
JSON boolean. Change it to bool.
* deprecated_set_speed() interpolates string parameter @value as a
JSON number. Change it to long long.
Bonus: gets rid of non-literal format strings. A step towards
compile-time format string checking without triggering
-Wformat-nonliteral.
Cc: Juan Quintela <quintela@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-21-armbru@redhat.com>
Leaving interpolation into JSON to qmp() is more robust than building
QMP input manually, as explained in the recent commit "tests: Clean up
string interpolation into QMP input (simple cases)".
migrate() interpolates members into a JSON object. Change it to take
its extra QMP arguments as arguments for qdict_from_jsonf_nofail()
instead of a string containing JSON members.
Bonus: gets rid of a non-literal format string. A step towards
compile-time format string checking without triggering
-Wformat-nonliteral.
Cc: Juan Quintela <quintela@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-20-armbru@redhat.com>
Leaving interpolation into JSON to qmp() is more robust than building
QMP input manually, as explained in the recent commit "tests: Clean up
string interpolation into QMP input (simple cases)".
migrate_recover() builds QMP input manually because wait_command()
can't interpolate. Well, it can since the previous commit. Simplify
accordingly.
Bonus: gets rid of a non-literal format string. A step towards
compile-time format string checking without triggering
-Wformat-nonliteral.
Cc: Juan Quintela <quintela@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-19-armbru@redhat.com>
wait_command() passes its argument @command to qtest_qmp_send().
Falls apart if @command contain '%'. Two ways to disarm this trap:
suppress interpretation of '%' by passing @command as argument to
format string "%s", or fix it by having wait_command() take the
variable arguments to go with @command. Do the latter.
This is another step towards compile-time format string checking
without triggering -Wformat-nonliteral.
Cc: Juan Quintela <quintela@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-18-armbru@redhat.com>
Commit b21373d071 copied wait_command() from tests/migration-test.c
to tests/tpm-util.c. Replace both copies by new libqtest helper
qtest_qmp_receive_success(). Also use it to simplify
qtest_qmp_device_del().
Bonus: gets rid of a non-literal format string. A step towards
compile-time format string checking without triggering
-Wformat-nonliteral.
Cc: Thomas Huth <thuth@redhat.com>
Cc: Juan Quintela <quintela@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-17-armbru@redhat.com>
All callers of wait_command() are only interested in the success
response's "return" member. Lift its extraction into wait_command().
Cc: Juan Quintela <quintela@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-16-armbru@redhat.com>
Leaving interpolation into JSON to qmp() is more robust than building
QMP input manually, as explained in the commit before previous.
qtest_qmp_device_add() and its wrappers interpolate into JSON as
follows:
* qtest_qmp_device_add() interpolates members into a JSON object.
* So do its wrappers qpci_plug_device_test() and usb_test_hotplug().
* usb_test_hotplug() additionally interpolates strings and numbers
into JSON strings.
Clean them up:
* Have qtest_qmp_device_add() take its extra device properties as
arguments for qdict_from_jsonf_nofail() instead of a string
containing JSON members.
* Drop qpci_plug_device_test(), use qtest_qmp_device_add()
directly.
* Change usb_test_hotplug() parameter @port to string, to avoid
interpolation. Interpolate @hcd_id separately.
Bonus: gets rid of a non-literal format string. A step towards
compile-time format string checking without triggering
-Wformat-nonliteral.
Cc: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-15-armbru@redhat.com>
test_plug_with_device_add_x86() plugs Haswell-i386-cpu and
Haswell-x86_64-cpu with device_add. It passes socket-id, core-id,
thread-id as JSON strings. The properties are actually integers.
test_plug_with_device_add_coreid() plugs power8_v2.0-spapr-cpu-core
and qemu-s390x-cpu with device_add. It passes core-id as JSON string.
The properties are actually integers.
Passing JSON string values to integer properties works only due to
device_add implementation accidents. Fix the test to pass JSON
numbers. While there, use %u rather than %i with unsigned int.
Cc: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-14-armbru@redhat.com>
When you build QMP input manually like this
cmd = g_strdup_printf("{ 'execute': 'migrate',"
"'arguments': { 'uri': '%s' } }",
uri);
rsp = qmp(cmd);
g_free(cmd);
you're responsible for escaping the interpolated values for JSON. Not
done here, and therefore works only for sufficiently nice @uri. For
instance, if @uri contained a single "'", qobject_from_vjsonf_nofail()
would abort. A sufficiently nasty @uri could even inject unwanted
members into the arguments object.
Leaving interpolation into JSON to qmp() is more robust:
rsp = qmp("{ 'execute': 'migrate', 'arguments': { 'uri': %s } }", uri);
It's also more concise.
Clean up the simple cases where we interpolate exactly a JSON value.
Bonus: gets rid of non-literal format strings. A step towards
compile-time format string checking without triggering
-Wformat-nonliteral.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-13-armbru@redhat.com>
The qmp_FOO() take a printf-like format string. In a few places, we
assign a string literal to a variable and pass that instead of simply
passing the literal. Clean that up.
Bonus: gets rid of non-literal format strings. A step towards
compile-time format string checking without triggering
-Wformat-nonliteral.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-12-armbru@redhat.com>
qobject_from_jsonv() takes ownership of %p arguments. On failure, we
can't generally know whether we failed before or after %p, so
ownership becomes indeterminate. To avoid leaks, callers passing %p
must terminate on error, e.g. by passing &error_abort. Trap for the
unwary; document and give the function internal linkage.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-11-armbru@redhat.com>
When visitor_input_test_init_internal()'s argument @ap is null, then
@json_string is interpreted literally, else it's gets %-escapes
interpolated. This is awkward.
One caller always passes null @ap, and the others never do. Lift the
building of the QObject into the callers, where it can be done without
such ambiguity.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-10-armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-9-armbru@redhat.com>
Every printf()-like function sooner or later needs its vprintf()-like
buddy. The next commit will need qobject_from_jsonf_nofail()'s buddy,
and qdict_from_jsonf_nofail()'s buddy will be used later in this
series. Add both.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-8-armbru@redhat.com>
Commit ab45015a96 "qobject: Let qobject_from_jsonf() fail instead of
abort" fails to accomplish its stated aim: the function can still
abort due to its use of &error_abort.
Its rationale for letting it fail is that all remaining users cope
fine with failure. Well, they're just fine with aborting, too; it's
what they do on failure.
Simply reverting the broken commit would bring back the unfortunate
asymmetry between qobject_from_jsonf() and qobject_from_jsonv(): one
aborts, the other returns null. So also rename it to
qobject_from_jsonf_nofail().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-7-armbru@redhat.com>
We have two flavors of vararg usage in qtest: qtest_hmp() etc. work
like sprintf(), and qtest_qmp() etc. work like qobject_from_jsonf().
Spell that out in the comments.
Also add GCC_FMT_ATTR() to qtest_hmp() etc. so that the compiler can
flag incorrect use.
We have some cleanup work to do before we can do the same for
qtest_qmp() etc. This would get us the same better-than-nothing
checking we already have for qobject_from_jsonf(): common incorrect
uses of supported conversion specifications will be flagged
(e.g. passing a double for %d), but use of unsupported ones won't.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Rebased, comment wording tweaked, commit message rewritten]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20180806065344.7103-6-armbru@redhat.com>
qtest_qmp_discard_response(...) is shorthand for
qobject_unref(qtest_qmp(...), except it's not actually shorter.
Moreover, the presence of these functions encourage sloppy testing.
Remove them from libqtest. Add them as macros to the tests that use
them, with a TODO comment asking for cleanup.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-5-armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
qtest_init() still uses the qtest_qmp_discard_response(s, "") hack to
receive the greeting, even though we have qtest_qmp_receive() since
commit 66e0c7b187. Put it to use.
Bonus: gets rid of an empty format string. A step towards
compile-time format string checking without triggering
-Wformat-zero-length.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-4-armbru@redhat.com>
qtest_qmp_device_del() still uses the qmp("") hack to receive a
message, even though we have qmp_receive() since commit 66e0c7b187.
Put it to use.
Bonus: gets rid of empty format strings. A step towards compile-time
format string checking without triggering -Wformat-zero-length.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-3-armbru@redhat.com>
The functions to receive messages are called qtest_qmp_receive() and
qmp_receive(), qmp_fd_receive(). The ones to send messages are called
qtest_async_qmp(), qtest_async_qmpv(), qmp_async(), qmp_fd_send(),
qmp_fd_sendv(). Inconsistent. Rename the *_async* ones to
qmp_send(), qtest_qmp_send(), qtest_qmp_vsend(). Rename
qmp_fd_sendv() to qmp_fd_vsend().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180806065344.7103-2-armbru@redhat.com>
- aio fixes by me
- nvme fixes by Paolo and me
- test improvements by Peter, Phil and me
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Merge remote-tracking branch 'remotes/famz/tags/block-and-testing-pull-request' into staging
Block and testing patches for 3.1
- aio fixes by me
- nvme fixes by Paolo and me
- test improvements by Peter, Phil and me
# gpg: Signature made Wed 15 Aug 2018 04:11:43 BST
# gpg: using RSA key CA35624C6A9171C6
# gpg: Good signature from "Fam Zheng <famz@redhat.com>"
# Primary key fingerprint: 5003 7CB7 9706 0F76 F021 AD56 CA35 624C 6A91 71C6
* remotes/famz/tags/block-and-testing-pull-request:
aio-posix: Improve comment around marking node deleted
tests/vm: Add vm-build-all/vm-clean-all in help text
tests/vm: Use make's --output-sync option
tests/vm: Bump guest RAM up from 2G to 4G
tests/vm: Propagate V=1 down into the make inside the VM
tests/vm: Pass the jobs parallelism setting to 'make check'
tests: vm: Add vm-clean-all
tests: Add centos VM testing
tests: Allow overriding archive path with SRC_ARCHIVE
tests: Add an option for snapshot (default: off)
docker: Install more packages in centos7
aio: Do aio_notify_accept only during blocking aio_poll
aio-posix: Don't count ctx->notifier as progress when polling
nvme: simplify plug/unplug
nvme: Fix nvme_init error handling
tests/vm: Add flex and bison to the vm image
tests/vm: Only use -cpu 'host' if KVM is available
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
* Implement more of ARMv6-M support
* Support direct execution from non-RAM regions;
use this to implmeent execution from small (<1K) MPU regions
* GICv2: implement the virtualization extensions
* support a virtualization-capable GICv2 in the virt and
xlnx-zynqmp boards
* arm: Fix return code of arm_load_elf() so we can detect
failure to load the file correctly
* Implement HCR_EL2.TGE ("trap general exceptions") bit
* Implement tailchaining for M profile cores
* Fix bugs in SVE compare, saturating add/sub, WHILE, MOVZ
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20180814' into staging
target-arm queue:
* Implement more of ARMv6-M support
* Support direct execution from non-RAM regions;
use this to implmeent execution from small (<1K) MPU regions
* GICv2: implement the virtualization extensions
* support a virtualization-capable GICv2 in the virt and
xlnx-zynqmp boards
* arm: Fix return code of arm_load_elf() so we can detect
failure to load the file correctly
* Implement HCR_EL2.TGE ("trap general exceptions") bit
* Implement tailchaining for M profile cores
* Fix bugs in SVE compare, saturating add/sub, WHILE, MOVZ
# gpg: Signature made Tue 14 Aug 2018 17:23:38 BST
# gpg: using RSA key 3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg: aka "Peter Maydell <pmaydell@gmail.com>"
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20180814: (45 commits)
target/arm: Fix typo in helper_sve_movz_d
target/arm: Reorganize SVE WHILE
target/arm: Fix typo in do_sat_addsub_64
target/arm: Fix sign of sve_cmpeq_ppzw/sve_cmpne_ppzw
target/arm: Implement tailchaining for M profile cores
target/arm: Restore M-profile CONTROL.SPSEL before any tailchaining
target/arm: Initialize exc_secure correctly in do_v7m_exception_exit()
target/arm: Improve exception-taken logging
target/arm: Treat SCTLR_EL1.M as if it were zero when HCR_EL2.TGE is set
target/arm: Provide accessor functions for HCR_EL2.{IMO, FMO, AMO}
target/arm: Honour HCR_EL2.TGE when raising synchronous exceptions
target/arm: Honour HCR_EL2.TGE and MDCR_EL2.TDE in debug register access checks
target/arm: Mask virtual interrupts if HCR_EL2.TGE is set
arm: Fix return code of arm_load_elf
arm/virt: Add support for GICv2 virtualization extensions
xlnx-zynqmp: Improve GIC wiring and MMIO mapping
intc/arm_gic: Improve traces
intc/arm_gic: Implement maintenance interrupt generation
intc/arm_gic: Implement gic_update_virt() function
intc/arm_gic: Implement the virtual interface registers
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Spotted by ASAN, during make check...
Direct leak of 40 byte(s) in 1 object(s) allocated from:
#0 0x7f8e27262c48 in malloc (/lib64/libasan.so.5+0xeec48)
#1 0x7f8e26a5f3c5 in g_malloc (/lib64/libglib-2.0.so.0+0x523c5)
#2 0x555ab67078a8 in qstring_from_str /home/elmarco/src/qq/qobject/qstring.c:67
#3 0x555ab67071e4 in qstring_new /home/elmarco/src/qq/qobject/qstring.c:24
#4 0x555ab6713fbf in qstring_from_escaped_str /home/elmarco/src/qq/qobject/json-parser.c:144
#5 0x555ab671738c in parse_literal /home/elmarco/src/qq/qobject/json-parser.c:506
#6 0x555ab67179c3 in parse_value /home/elmarco/src/qq/qobject/json-parser.c:569
#7 0x555ab6715123 in parse_pair /home/elmarco/src/qq/qobject/json-parser.c:306
#8 0x555ab6715483 in parse_object /home/elmarco/src/qq/qobject/json-parser.c:357
#9 0x555ab671798b in parse_value /home/elmarco/src/qq/qobject/json-parser.c:561
#10 0x555ab6717a6b in json_parser_parse_err /home/elmarco/src/qq/qobject/json-parser.c:592
#11 0x555ab4fd4dcf in handle_qmp_command /home/elmarco/src/qq/monitor.c:4257
#12 0x555ab6712c4d in json_message_process_token /home/elmarco/src/qq/qobject/json-streamer.c:105
#13 0x555ab67e01e2 in json_lexer_feed_char /home/elmarco/src/qq/qobject/json-lexer.c:323
#14 0x555ab67e0af6 in json_lexer_feed /home/elmarco/src/qq/qobject/json-lexer.c:373
#15 0x555ab6713010 in json_message_parser_feed /home/elmarco/src/qq/qobject/json-streamer.c:124
#16 0x555ab4fd58ec in monitor_qmp_read /home/elmarco/src/qq/monitor.c:4337
#17 0x555ab6559df2 in qemu_chr_be_write_impl /home/elmarco/src/qq/chardev/char.c:175
#18 0x555ab6559e95 in qemu_chr_be_write /home/elmarco/src/qq/chardev/char.c:187
#19 0x555ab6560127 in fd_chr_read /home/elmarco/src/qq/chardev/char-fd.c:66
#20 0x555ab65d9c73 in qio_channel_fd_source_dispatch /home/elmarco/src/qq/io/channel-watch.c:84
#21 0x7f8e26a598ac in g_main_context_dispatch (/lib64/libglib-2.0.so.0+0x4c8ac)
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180809114417.28718-4-marcandre.lureau@redhat.com>
[Screwed up in commit b27314567d]
Cc: qemu-stable@nongnu.org
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Fix the following issues:
common.py:873:13: E129 visually indented line with same indent as next logical line
common.py:1766:5: E741 ambiguous variable name 'l'
common.py:1784:1: E305 expected 2 blank lines after class or function definition, found 1
common.py:1833:1: E305 expected 2 blank lines after class or function definition, found 1
common.py:1843:1: E305 expected 2 blank lines after class or function definition, found 1
visit.py:181:18: E127 continuation line over-indented for visual indent
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180621083551.775-1-armbru@redhat.com>
[Fixup squashed in:]
Message-ID: <871sd0nzw9.fsf@dusky.pond.sub.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Presumably 0.15 was the version it was first introduced, but
qmp keeps evolving. There is no point in having that version
as test prefix, 'qmp' makes more sense here.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20180326150916.9602-12-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Use shlex to split the CLI command, respecting quoted arguments, and
also comments. This allows to call for ex:
(QEMU) human-monitor-command command-line="screendump /dev/null"
{"execute": "human-monitor-command", "arguments": {"command-line": "screendump /dev/null"}}
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180326150916.9602-3-marcandre.lureau@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
The counter is for qemu_lockcnt_inc/dec sections (read side),
qemu_lockcnt_lock/unlock is for the write side.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180803063917.30292-1-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Use make's --output-sync option when running tests inside VMs,
so that if we're building with parallelization the output doesn't
get scrambled.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180803085230.30574-6-peter.maydell@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
Currently we run the guests in a VM which is given only 2G of RAM.
Since the guests are configured without any swap space, builds
can fail because the system runs out of memory and kills the
compiler, especially if the job count is set for a lot of
parallelism. Bump the setting up from 2G to 4G to give us some
more headroom.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180803085230.30574-5-peter.maydell@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
Invoking 'make vm-build-freebsd' and friends with V=1 should
propagate that verbosity setting down into the build run
inside the VM. Make sure we do that. This brings it into
line with how the container tests handle V=1.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180803085230.30574-4-peter.maydell@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
Our test suite works for parallel execution too, and this can
noticeably speed up a test run; pass the 'jobs' setting to
it as well as to the build proper.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20180803085230.30574-3-peter.maydell@linaro.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
The images are big. Add a rule to clean up easily.
Suggested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180716020008.31468-1-famz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
This one does docker testing in the VM. It is intended to replace the
native docker testing on patchew testers.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180712012829.20231-5-famz@redhat.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
In VM based tests, the source archive is created in host, we don't have
to run archive-source.sh again, as it complicates the Makefile and
scripts.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180712012829.20231-4-famz@redhat.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
Not using snapshot has the benefit of automatically persisting useful
test harnesses, such as docker images and ccache database. Although it
will lose some cleanness, it is imaginably useful for patchew.
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180712012829.20231-2-famz@redhat.com>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
An aio_notify() pairs with an aio_notify_accept(). The former should
happen in the main thread or a vCPU thread, and the latter should be
done in the IOThread.
There is one rare case that the main thread or vCPU thread may "steal"
the aio_notify() event just raised by itself, in bdrv_set_aio_context()
[1]. The sequence is like this:
main thread IO Thread
===============================================================
bdrv_drained_begin()
aio_disable_external(ctx)
aio_poll(ctx, true)
ctx->notify_me += 2
...
bdrv_drained_end()
...
aio_notify()
...
bdrv_set_aio_context()
aio_poll(ctx, false)
[1] aio_notify_accept(ctx)
ppoll() /* Hang! */
[1] is problematic. It will clear the ctx->notifier event so that
the blocked ppoll() will not return.
(For the curious, this bug was noticed when booting a number of VMs
simultaneously in RHV. One or two of the VMs will hit this race
condition, making the VIRTIO device unresponsive to I/O commands. When
it hangs, Seabios is busy waiting for a read request to complete (read
MBR), right after initializing the virtio-blk-pci device, using 100%
guest CPU. See also https://bugzilla.redhat.com/show_bug.cgi?id=1562750
for the original bug analysis.)
aio_notify() only injects an event when ctx->notify_me is set,
correspondingly aio_notify_accept() is only useful when ctx->notify_me
_was_ set. Move the call to it into the "blocking" branch. This will
effectively skip [1] and fix the hang.
Furthermore, blocking aio_poll is only allowed on home thread
(in_aio_context_home_thread), because otherwise two blocking
aio_poll()'s can steal each other's ctx->notifier event and cause
hanging just like described above.
Cc: qemu-stable@nongnu.org
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180809132259.18402-3-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
The same logic exists in fd polling. This change is especially important
to avoid busy loop once we limit aio_notify_accept() to blocking
aio_poll().
Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180809132259.18402-2-famz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
bdrv_io_plug/bdrv_io_unplug take care of keeping a nesting count,
so change s->plugged to just a bool.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20180813144320.12382-2-pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
It is wrong to leave this field as 1, as nvme_close() called in the
error handling code in nvme_file_open() will use it and try to free
s->queues again.
Another problem is the cleaning ups are duplicated between the fail*
labels of nvme_init() and nvme_file_open(), which calls nvme_close().
A third problem is nvme_close() misses g_free() and
event_notifier_cleanup().
Fix all of them.
Cc: qemu-stable@nongnu.org
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <20180712025420.4932-1-famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Similar to 79f24568e5, this fixes the following warnings:
CHK version_gen.h
LEX convert-dtsv0-lexer.lex.c
make[1]: flex: Command not found
BISON dtc-parser.tab.c
make[1]: bison: Command not found
LEX dtc-lexer.lex.c
make[1]: flex: Command not found
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180628153535.1411-5-f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
If KVM is not available, then use the 'max' cpu.
This fixes:
ERROR:root:Log:
ERROR:root:qemu-system-x86_64: CPU model 'host' requires KVM
Failed to prepare guest environment
error: [Errno 104] Connection reset by peer
source/qemu/tests/vm/Makefile.include:25: recipe for target 'tests/vm/ubuntu.i386.img' failed
make: *** [tests/vm/ubuntu.i386.img] Error 2
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20180628153535.1411-4-f4bug@amsat.org>
Signed-off-by: Fam Zheng <famz@redhat.com>
