Re: [Qemu-devel] [Fail] tests/test-util-filemonitor fails

[Wei Yang]

On Fri, Aug 09, 2019 at 10:12:14AM +0100, Daniel P. Berrangé wrote:
>On Fri, Aug 09, 2019 at 08:06:09AM +0800, Wei Yang wrote:
>> On Thu, Aug 08, 2019 at 10:22:13AM +0100, Daniel P. Berrangé wrote:
>> >On Thu, Aug 08, 2019 at 04:46:53PM +0800, Wei Yang wrote:
>> >> On Thu, Aug 08, 2019 at 09:02:29AM +0100, Daniel P. Berrangé wrote:
>> >> >On Thu, Aug 08, 2019 at 10:07:23AM +0800, Wei Yang wrote:
>> >> >> Current qemu fails tests/test-util-filemonitor.
>> >> >
>> >> >You'll need to provide more info. The test works for me and passes in all
>> >> >the QEMU CI environments.
>> >> >
>> >> 
>> >> The error message from my side is:
>> >> 
>> >> /util/filemonitor: Expected watch id 200000000 but got 100000000
>> >> **
>> >> ERROR:tests/test-util-filemonitor.c:665:test_file_monitor_events: 
>> >> assertion failed: (err == 0)
>> >> 
>> >> What else you'd prefer to have?
>> >
>> >Can you set the  "FILEMONITOR_DEBUG=1" env variable before running
>> >the test - it will print out lots more info
>> >
>> 
>> Here is the output with more info.
>> 
>>     $ FILEMONITOR_DEBUG=1 
>> QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 
>> tests/test-util-filemonitor
>
>>     Rmdir /tmp/test-util-filemonitor-151B6Z/fish
>>     Event id=200000000 event=4 file=
>>     Expected watch id 200000000 but got 100000000
>>     **
>
>Ok, so the kernel is sending the events in an unexpected order
>
>>     ERROR:tests/test-util-filemonitor.c:665:test_file_monitor_events: 
>> assertion failed: (err == 0)
>>     Aborted (core dumped)
>> 
>> 
>> >Also what operating system are you using, and what kernel version
>> >
>> 
>> OS: Ubuntu 18.04.2 LTS
>> Kernel: I built the kernel whose last commit is bed38c3e2dca.
>
>Does it work if you use the normal LTS kernel package instead.
>

It looks good on LTS kernel.

$ uname -a
Linux richard 4.15.0-55-generic #60-Ubuntu SMP Tue Jul 2 18:22:20 UTC 2019 
x86_64 x86_64 x86_64 GNU/Linux

$ QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 
tests/test-util-filemonitor
/util/filemonitor: OK


>
>Regards,
>Daniel
>-- 
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Wei Yang
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