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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: linux-bluetooth@vger.kernel.org,
	"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
	"Marcel Holtmann" <marcel@holtmann.org>,
	"Kay Sievers" <kay.sievers@vrfy.org>,
	"Zbigniew Jędrzejewski-Szmek" <zbyszek@in.waw.pl>,
	systemd-devel@lists.freedesktop.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 BlueZ] hid2hci: Fix udev rules for linux-4.14+
Date: Wed, 5 Dec 2018 08:06:21 +0100	[thread overview]
Message-ID: <20181205070621.GE16346@kroah.com> (raw)
In-Reply-To: <20181204204117.14964-1-ville.syrjala@linux.intel.com>

On Tue, Dec 04, 2018 at 10:41:17PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> 
> Since commit 1455cf8dbfd0 ("driver core: emit uevents when
> device is bound to a driver") the kernel started emitting
> "bind" and "unbind" uevents which confuse the hid2hci
> udev rules.
> 
> The symptoms on an affected machine (Dell E5400 in my case)
> include bluetooth devices not appearing and udev hogging
> the cpu as it's busy processing a constant stream of these
> "bind"+"unbind" uevents.

What is causing a "stream" of bind and unbind events?  This only happens
when a device is attached to a driver or removed from a driver, which is
caused by something else happening.  This should not be a normal
occurance, unless something odd is happening to your hardware?

thanks,

greg k-h

  reply	other threads:[~2018-12-05  7:06 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-07 13:06 [PATCH bluez] hid2hci: Fix udev rules for linux-4.14+ Ville Syrjala
2018-05-07 17:44 ` [systemd-devel] " Zbigniew Jędrzejewski-Szmek
2018-06-20 16:46   ` Ville Syrjälä
2018-06-20 16:42 ` [PATCH v2] " Ville Syrjala
2018-11-05 17:54   ` Ville Syrjälä
2018-12-04 20:41   ` [PATCH v2 BlueZ] " Ville Syrjala
2018-12-05  7:06     ` Greg Kroah-Hartman [this message]
2018-12-05 15:40       ` Ville Syrjälä
2018-12-05 19:09         ` Dag B
2018-12-05 19:21           ` Greg Kroah-Hartman
2018-12-05 19:20         ` Greg Kroah-Hartman
2018-12-05 19:40           ` Ville Syrjälä
2018-12-05 19:49             ` Greg Kroah-Hartman
2019-04-23 15:41               ` Ville Syrjälä

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