From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: "Alex Bennée" <alex.bennee@linaro.org>,
"Peter Maydell" <peter.maydell@linaro.org>
Cc: Richard Henderson <richard.henderson@linaro.org>,
iii@linux.ibm.com, qemu-devel@nongnu.org
Subject: Re: [PATCH 4/4] tests/tcg/multiarch: add vma-pthread.c
Date: Mon, 16 Jan 2023 13:40:31 +0100 [thread overview]
Message-ID: <a2ebe5dd-29a2-4c94-f3da-9c7f5dc7979f@linaro.org> (raw)
In-Reply-To: <87pmbil5rn.fsf@linaro.org>
On 13/1/23 18:10, Alex Bennée wrote:
>
> Peter Maydell <peter.maydell@linaro.org> writes:
>
>> On Sat, 24 Dec 2022 at 15:19, Richard Henderson
>> <richard.henderson@linaro.org> wrote:
>>>
>>> From: Ilya Leoshkevich <iii@linux.ibm.com>
>>>
>>> Add a test that locklessly changes and exercises page protection bits
>>> from various threads. This helps catch race conditions in the VMA
>>> handling.
>>>
>>> Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
>>> Message-Id: <20221223120252.513319-1-iii@linux.ibm.com>
>>> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
>>
>> I've noticed that this newly added vma-pthread test seems to
>> be flaky. Here's an example from a clang-user job:
>> https://gitlab.com/qemu-project/qemu/-/jobs/3600385176
>>
>> TEST vma-pthread-with-libbb.so on aarch64
>> fail indirect write 0x5500b1eff0 (Bad address)
>> timeout: the monitored command dumped core
>> Aborted
>> make[1]: *** [Makefile:173: run-plugin-vma-pthread-with-libbb.so] Error 134
>>
>> and another from a few days earlier:
>> https://gitlab.com/qemu-project/qemu/-/jobs/3572970612
>>
>> TEST vma-pthread-with-libsyscall.so on s390x
>> fail indirect read 0x4000999000 (Bad address)
>> timeout: the monitored command dumped core
>> Aborted
>> make[1]: *** [Makefile:173: run-plugin-vma-pthread-with-libsyscall.so] Error 134
Yet again:
https://gitlab.com/qemu-project/qemu/-/jobs/3608436731
> Interesting those are both with plugins. I wonder if the tsan plugin
> fixes in my latest tree help?
>
next prev parent reply other threads:[~2023-01-16 12:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-24 15:18 [PATCH 0/4] accel/tcg: Fixes for user-only page tracking Richard Henderson
2022-12-24 15:18 ` [PATCH 1/4] accel/tcg: Fix tb_invalidate_phys_page_unwind Richard Henderson
2022-12-28 12:49 ` [PATCH 1a/4] " Philippe Mathieu-Daudé
2022-12-28 12:49 ` [PATCH 1b/4] accel/tcg: Unindent tb_invalidate_phys_page_unwind Philippe Mathieu-Daudé
2022-12-28 12:52 ` Philippe Mathieu-Daudé
2022-12-28 12:52 ` [PATCH 1a/4] accel/tcg: Fix tb_invalidate_phys_page_unwind Philippe Mathieu-Daudé
2022-12-24 15:18 ` [PATCH 2/4] accel/tcg: Use g_free_rcu for user-exec interval trees Richard Henderson
2022-12-28 7:19 ` Philippe Mathieu-Daudé
2022-12-24 15:18 ` [PATCH 3/4] accel/tcg: Handle false negative lookup in page_check_range Richard Henderson
2022-12-28 7:24 ` Philippe Mathieu-Daudé
2022-12-28 12:53 ` Philippe Mathieu-Daudé
2022-12-28 17:36 ` Richard Henderson
2022-12-28 18:27 ` Philippe Mathieu-Daudé
2022-12-28 18:30 ` Richard Henderson
2022-12-28 18:53 ` Philippe Mathieu-Daudé
2022-12-24 15:18 ` [PATCH 4/4] tests/tcg/multiarch: add vma-pthread.c Richard Henderson
2022-12-27 17:23 ` Alex Bennée
2023-01-13 15:17 ` Peter Maydell
2023-01-13 17:10 ` Alex Bennée
2023-01-16 12:40 ` Philippe Mathieu-Daudé [this message]
2023-01-16 15:07 ` Peter Maydell
2023-01-16 16:27 ` Alex Bennée
2023-01-16 16:48 ` Peter Maydell
2023-01-16 17:09 ` Alex Bennée
2023-01-16 19:21 ` Richard Henderson
2023-01-20 14:58 ` Peter Maydell
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