From: Peter Zijlstra <peterz@infradead.org>
To: Li Zhijian <zhijianx.li@intel.com>
Cc: mingo@redhat.com, will@kernel.org, longman@redhat.com,
boqun.feng@gmail.com, open list <linux-kernel@vger.kernel.org>,
"linux-kselftest@vger.kernel.org"
<linux-kselftest@vger.kernel.org>,
"lkp@lists.01.org" <lkp@lists.01.org>
Subject: Re: ww_mutex.sh hangs since v5.16-rc1
Date: Thu, 2 Dec 2021 23:57:12 +0100 [thread overview]
Message-ID: <20211202225712.GG16608@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <895ef450-4fb3-5d29-a6ad-790657106a5a@intel.com>
On Wed, Dec 01, 2021 at 09:26:18AM +0800, Li Zhijian wrote:
> Hi Folks
>
>
> LKP/0Day found that ww_mutex.sh cannot complete since v5.16-rc1, but
> I'm pretty sorry that we failed to bisect the FBC, instead, the bisection pointed
> to a/below merge commit(91e1c99e17) finally.
>
> Due to this hang, other tests in the same group are also blocked in 0Day, we
> hope we can fix this hang ASAP.
>
> So if you have any idea about this, or need more debug information, feel free to let me know :)
>
> BTW, ww_mutex.sh was failed in v5.15 without hang, and looks it cannot reproduce on a vm.
On real hardware:
root@ivb-ep:/usr/src/linux-2.6/tools/testing/selftests/locking# uname -a
Linux ivb-ep 5.16.0-rc3-00284-g68601c558556 #1 SMP PREEMPT Thu Dec 2 23:03:29 CET 2021 x86_64 GNU/Linux
root@ivb-ep:/usr/src/linux-2.6/tools/testing/selftests/locking# ./ww_mutex.sh
locking/ww_mutex: ok
[ 1907.907801] Beginning ww mutex selftests
[ 1915.700077] All ww mutex selftests passed
What else do I try?
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: lkp@lists.01.org
Subject: Re: ww_mutex.sh hangs since v5.16-rc1
Date: Thu, 02 Dec 2021 23:57:12 +0100 [thread overview]
Message-ID: <20211202225712.GG16608@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <895ef450-4fb3-5d29-a6ad-790657106a5a@intel.com>
[-- Attachment #1: Type: text/plain, Size: 1028 bytes --]
On Wed, Dec 01, 2021 at 09:26:18AM +0800, Li Zhijian wrote:
> Hi Folks
>
>
> LKP/0Day found that ww_mutex.sh cannot complete since v5.16-rc1, but
> I'm pretty sorry that we failed to bisect the FBC, instead, the bisection pointed
> to a/below merge commit(91e1c99e17) finally.
>
> Due to this hang, other tests in the same group are also blocked in 0Day, we
> hope we can fix this hang ASAP.
>
> So if you have any idea about this, or need more debug information, feel free to let me know :)
>
> BTW, ww_mutex.sh was failed in v5.15 without hang, and looks it cannot reproduce on a vm.
On real hardware:
root(a)ivb-ep:/usr/src/linux-2.6/tools/testing/selftests/locking# uname -a
Linux ivb-ep 5.16.0-rc3-00284-g68601c558556 #1 SMP PREEMPT Thu Dec 2 23:03:29 CET 2021 x86_64 GNU/Linux
root(a)ivb-ep:/usr/src/linux-2.6/tools/testing/selftests/locking# ./ww_mutex.sh
locking/ww_mutex: ok
[ 1907.907801] Beginning ww mutex selftests
[ 1915.700077] All ww mutex selftests passed
What else do I try?
next prev parent reply other threads:[~2021-12-02 22:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-01 1:26 ww_mutex.sh hangs since v5.16-rc1 Li Zhijian
2021-12-01 1:26 ` Li Zhijian
2021-12-02 22:57 ` Peter Zijlstra [this message]
2021-12-02 22:57 ` Peter Zijlstra
2021-12-07 4:27 ` Li Zhijian
2021-12-07 4:27 ` Li Zhijian
2023-07-07 20:23 ` John Stultz
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