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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: Gregory Erwin <gregerwin256@gmail.com>
Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Toke Høiland-Jørgensen" <toke@redhat.com>,
	"Kalle Valo" <kvalo@kernel.org>,
	"Rui Salvaterra" <rsalvaterra@gmail.com>,
	stable@vger.kernel.org
Subject: Re: [PATCH] ath9k: rng: escape sleep loop when unregistering
Date: Fri, 24 Jun 2022 21:12:42 +0200	[thread overview]
Message-ID: <YrYMqqqoK7HBAXgJ@zx2c4.com> (raw)
In-Reply-To: <CAO+Okf5k+C+SE6pMVfPf-d8MfVPVq4PO7EY8Hys_DVXtent3HA@mail.gmail.com>

Hi Gregory,

On Thu, Jun 23, 2022 at 10:25:26PM -0700, Gregory Erwin wrote:
> Hi Jason,
> 
> I think you are on the right track, but even with this patch
> 'ip link set wlan0 down' blocks until the hwrng reader gives up.
> The reader can either be userspace (dd, cat, etc) or it can also
> be the rng_core module. I can replicate the hang in the two different
> situations, so I gathered two stack traces for 'ip' depending on the
> reader of hwrng:

Thanks for the traces. I'll send a v2 to you shortly.

Jason

  reply	other threads:[~2022-06-24 19:13 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <YrUKUt5nvX8qf1Je@zx2c4.com>
2022-06-24  1:14 ` Jason A. Donenfeld
2022-06-24  5:25   ` Gregory Erwin
2022-06-24 19:12     ` Jason A. Donenfeld [this message]
2022-06-24 20:44       ` [PATCH v2] ath9k: sleep for less time when unregistering hwrng Jason A. Donenfeld
2022-06-25  0:13         ` Gregory Erwin
2022-06-25  0:40           ` Jason A. Donenfeld
2022-06-27  6:45         ` Herbert Xu
2022-06-27  9:29           ` [PATCH v3] " Jason A. Donenfeld
2022-06-27 10:49             ` [PATCH v4] " Jason A. Donenfeld
2022-06-27 11:37               ` [PATCH v5] " Jason A. Donenfeld
2022-06-27 12:07                 ` [PATCH v6] " Jason A. Donenfeld
2022-06-27 12:18                   ` Toke Høiland-Jørgensen
2022-06-28  1:39                     ` Gregory Erwin
2022-06-28 10:46                       ` Jason A. Donenfeld
2022-06-28 10:48                         ` Jason A. Donenfeld
2022-06-28 10:51                           ` Herbert Xu
2022-06-28 10:55                             ` Jason A. Donenfeld
2022-06-28 12:05                               ` Jason A. Donenfeld
2022-06-28 15:14                                 ` Jason A. Donenfeld
2022-06-28  1:53                   ` Herbert Xu
2022-06-28 10:45                   ` Toke Høiland-Jørgensen

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