From: Peter Zijlstra <peterz@infradead.org>
To: Zhengyuan Liu <liuzhengyuang521@gmail.com>
Cc: mingo@redhat.com, linux-perf-users@vger.kernel.org,
stable@vger.kernel.org, 胡海 <huhai@kylinos.cn>,
刘云 <liuyun01@kylinos.cn>,
huangjinhui@kylinos.cn, "Zhengyuan Liu" <liuzhengyuan@kylinos.cn>,
acme@kernel.org
Subject: Re: Question about perf sibling_list race problem
Date: Wed, 29 Nov 2023 11:32:33 +0100 [thread overview]
Message-ID: <20231129103233.GD30650@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <CAOOPZo5oFZAs3sMcEgmTEZy3ef4jg630xL3mUBx3bvV6tQcdQg@mail.gmail.com>
On Wed, Nov 29, 2023 at 05:33:33PM +0800, Zhengyuan Liu wrote:
> Hi, all
>
> We are encountering a perf related soft lockup as shown below:
>
> [25023823.265138] watchdog: BUG: soft lockup - CPU#29 stuck for 45s!
> [YD:3284696]
> [25023823.275772] net_failover virtio_scsi failover
> [25023823.276750] CPU: 29 PID: 3284696 Comm: YD Kdump: loaded Not
> tainted 4.19.90-23.18.v2101.ky10.aarch64 #1
^^^^^^^^^^^^^^^^^^^
That is some unholy ancient kernel. Please see if you can reproduce on
something recent.
next prev parent reply other threads:[~2023-11-29 10:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-29 9:33 Question about perf sibling_list race problem Zhengyuan Liu
2023-11-29 10:32 ` Peter Zijlstra [this message]
2023-12-05 11:57 ` Zhengyuan Liu
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