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Re: AIO_WAIT_WHILE questions


From: no-reply
Subject: Re: AIO_WAIT_WHILE questions
Date: Fri, 27 Mar 2020 12:52:22 -0700 (PDT)

Patchew URL: https://patchew.org/QEMU/address@hidden/



Hi,

This series failed the asan build test. Please find the testing commands and
their output below. If you have Docker installed, you can probably reproduce it
locally.

=== TEST SCRIPT BEGIN ===
#!/bin/bash
export ARCH=x86_64
make docker-image-fedora V=1 NETWORK=1
time make docker-test-debug@fedora TARGET_LIST=x86_64-softmmu J=14 NETWORK=1
=== TEST SCRIPT END ===

PASS 1 fdc-test /x86_64/fdc/cmos
PASS 2 fdc-test /x86_64/fdc/no_media_on_start
PASS 3 fdc-test /x86_64/fdc/read_without_media
==8595==WARNING: ASan doesn't fully support makecontext/swapcontext functions 
and may produce false positives in some cases!
PASS 4 fdc-test /x86_64/fdc/media_change
PASS 5 fdc-test /x86_64/fdc/sense_interrupt
PASS 6 fdc-test /x86_64/fdc/relative_seek
---
qemu-system-x86_64: /tmp/qemu-test/src/block/block-backend.c:1271: int 
blk_prw(BlockBackend *, int64_t, uint8_t *, int64_t, CoroutineEntry *, 
BdrvRequestFlags): Assertion `ctx_->lock_count == 1' failed.
Broken pipe
/tmp/qemu-test/src/tests/qtest/libqtest.c:175: kill_qemu() detected QEMU death 
from signal 6 (Aborted)
ERROR - too few tests run (expected 13, got 9)
make: *** [/tmp/qemu-test/src/tests/Makefile.include:636: check-qtest-x86_64] 
Error 1
make: *** Waiting for unfinished jobs....
PASS 1 check-qjson /literals/keyword
PASS 2 check-qjson /literals/string/escaped
---
PASS 32 test-opts-visitor /visitor/opts/range/beyond
PASS 33 test-opts-visitor /visitor/opts/dict/unvisited
MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}  
tests/test-coroutine -m=quick -k --tap < /dev/null | ./scripts/tap-driver.pl 
--test-name="test-coroutine" 
==8649==WARNING: ASan doesn't fully support makecontext/swapcontext functions 
and may produce false positives in some cases!
==8649==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 
0x7ffe80cca000; bottom 0x7f7b14c10000; size: 0x00836c0ba000 (564453416960)
False positive error reports may follow
For details see https://github.com/google/sanitizers/issues/189
PASS 1 test-coroutine /basic/no-dangling-access
---
PASS 11 test-aio /aio/event/wait
PASS 12 test-aio /aio/event/flush
PASS 13 test-aio /aio/event/wait/no-flush-cb
==8664==WARNING: ASan doesn't fully support makecontext/swapcontext functions 
and may produce false positives in some cases!
PASS 14 test-aio /aio/timer/schedule
PASS 15 test-aio /aio/coroutine/queue-chaining
PASS 16 test-aio /aio-gsource/flush
---
PASS 27 test-aio /aio-gsource/event/wait/no-flush-cb
PASS 28 test-aio /aio-gsource/timer/schedule
MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}  
tests/test-aio-multithread -m=quick -k --tap < /dev/null | 
./scripts/tap-driver.pl --test-name="test-aio-multithread" 
==8669==WARNING: ASan doesn't fully support makecontext/swapcontext functions 
and may produce false positives in some cases!
PASS 1 test-aio-multithread /aio/multi/lifecycle
PASS 2 test-aio-multithread /aio/multi/schedule
PASS 3 test-aio-multithread /aio/multi/mutex/contended
---
PASS 6 test-throttle /throttle/detach_attach
PASS 7 test-throttle /throttle/config_functions
PASS 8 test-throttle /throttle/accounting
==8703==WARNING: ASan doesn't fully support makecontext/swapcontext functions 
and may produce false positives in some cases!
PASS 9 test-throttle /throttle/groups
PASS 10 test-throttle /throttle/config/enabled
PASS 11 test-throttle /throttle/config/conflicting
---
PASS 14 test-throttle /throttle/config/max
PASS 15 test-throttle /throttle/config/iops_size
MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}  
tests/test-thread-pool -m=quick -k --tap < /dev/null | ./scripts/tap-driver.pl 
--test-name="test-thread-pool" 
==8707==WARNING: ASan doesn't fully support makecontext/swapcontext functions 
and may produce false positives in some cases!
PASS 1 test-thread-pool /thread-pool/submit
PASS 2 test-thread-pool /thread-pool/submit-aio
PASS 3 test-thread-pool /thread-pool/submit-co
---
PASS 39 test-hbitmap /hbitmap/next_dirty_area/next_dirty_area_4
PASS 40 test-hbitmap /hbitmap/next_dirty_area/next_dirty_area_after_truncate
MALLOC_PERTURB_=${MALLOC_PERTURB_:-$(( ${RANDOM:-0} % 255 + 1))}  
tests/test-bdrv-drain -m=quick -k --tap < /dev/null | ./scripts/tap-driver.pl 
--test-name="test-bdrv-drain" 
==8779==WARNING: ASan doesn't fully support makecontext/swapcontext functions 
and may produce false positives in some cases!
test-bdrv-drain: /tmp/qemu-test/src/block/io.c:429: void 
bdrv_do_drained_begin(BlockDriverState *, _Bool, BdrvChild *, _Bool, _Bool): 
Assertion `ctx_->lock_count == 1' failed.
ERROR - too few tests run (expected 42, got 0)
make: *** [/tmp/qemu-test/src/tests/Makefile.include:641: check-unit] Error 1
Traceback (most recent call last):
  File "./tests/docker/docker.py", line 664, in <module>
    sys.exit(main())
---
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['sudo', '-n', 'docker', 'run', 
'--label', 'com.qemu.instance.uuid=993ef2554b5d41a1bd1d6f3d9a3dd700', '-u', 
'1003', '--security-opt', 'seccomp=unconfined', '--rm', '-e', 
'TARGET_LIST=x86_64-softmmu', '-e', 'EXTRA_CONFIGURE_OPTS=', '-e', 'V=', '-e', 
'J=14', '-e', 'DEBUG=', '-e', 'SHOW_ENV=', '-e', 'CCACHE_DIR=/var/tmp/ccache', 
'-v', '/home/patchew2/.cache/qemu-docker-ccache:/var/tmp/ccache:z', '-v', 
'/var/tmp/patchew-tester-tmp-yyt7umnc/src/docker-src.2020-03-27-15.23.39.30469:/var/tmp/qemu:z,ro',
 'qemu:fedora', '/var/tmp/qemu/run', 'test-debug']' returned non-zero exit 
status 2.
filter=--filter=label=com.qemu.instance.uuid=993ef2554b5d41a1bd1d6f3d9a3dd700
make[1]: *** [docker-run] Error 1
make[1]: Leaving directory `/var/tmp/patchew-tester-tmp-yyt7umnc/src'
make: *** [docker-run-test-debug@fedora] Error 2

real    28m41.492s
user    0m8.980s


The full log is available at
http://patchew.org/logs/address@hidden/testing.asan/?type=message.
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