From: Fabio Estevam <festevam@gmail.com>
To: Hillf Danton <hdanton@sina.com>
Cc: paulmck@kernel.org, josh@joshtriplett.org, rostedt@goodmis.org,
mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com,
joel@joelfernandes.org, rcu@vger.kernel.org,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: rcu_sched stalls on 4.14
Date: Wed, 11 Mar 2020 13:35:09 -0300 [thread overview]
Message-ID: <CAOMZO5B54o=RSKH7-k=cUv5umusgU67XLV9SRNr3AJY-WqKnEA@mail.gmail.com> (raw)
In-Reply-To: <20200309120327.3656-1-hdanton@sina.com>
Hi Hillf and Paul,
On Mon, Mar 9, 2020 at 9:03 AM Hillf Danton <hdanton@sina.com> wrote:
> Hi Fabio, two minutes to take a look at the softirq part in the syzbot report
> BUG: soft lockup in sys_exit_group.
>
> https://lore.kernel.org/lkml/s5h8sk9svdd.wl-tiwai@suse.de/T/#m0402638ecd30cf5a3c8bb44f03952ccad7a041d8
A different user reported the same bug and it turns out it was an USB
CDC ACM related issue:
https://www.spinics.net/lists/linux-usb/msg192162.html
Thanks for your help!
Fabio Estevam
prev parent reply other threads:[~2020-03-11 16:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-29 14:26 rcu_sched stalls on 4.14 Fabio Estevam
2020-02-29 23:22 ` Paul E. McKenney
2020-03-03 22:40 ` Fabio Estevam
[not found] ` <20200301100755.4532-1-hdanton@sina.com>
2020-03-03 22:41 ` Fabio Estevam
[not found] ` <20200309120327.3656-1-hdanton@sina.com>
2020-03-11 16:35 ` Fabio Estevam [this message]
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