From: Oliver Neukum <oneukum@suse.de>
To: linux-pm@lists.linux-foundation.org
Cc: "Bruno Prémont" <bonbons@linux-vserver.org>,
"Jiri Kosina" <jkosina@suse.cz>,
USB@smtp1.linux-foundation.org, list <linux-usb@vger.kernel.org>,
"Kernel development list" <linux-kernel@vger.kernel.org>
Subject: Re: [linux-pm] s2ram slow (radeon) / failing (usb)
Date: Tue, 4 May 2010 08:42:35 +0200 [thread overview]
Message-ID: <201005040842.35260.oneukum@suse.de> (raw)
In-Reply-To: <20100503231154.486c27d6@neptune.home>
Am Montag, 3. Mai 2010 23:11:54 schrieb Bruno Prémont:
> [ 477.543304] usb 1-2.1: usb_autosuspend_device: cnt 1 -> 0
> [ 477.543316] usbhid 1-2.1:1.1: __pm_runtime_suspend()!
> [ 477.543326] usbhid 1-2.1:1.1: __pm_runtime_suspend() returns 0!
> [ 477.543380] usbcore: registered new interface driver usbhid
> [ 477.549457] usbhid: USB HID core driver
>
> And suspend is freezing inside of hid_cancel_delayed_stuff(usbhid) call
> from hid_suspend() in drivers/hid/usbhid/hid-core.c ...
>
> Is it worth continuing iteration and adding further printk's down there?
> Jiri, what's your opinion on this?
Ugh. That looks like a bug in usbhid that I introduced. A fix is not trivial.
In short, I did not think the device could be undergoing a queued resumption
while suspend() is being called. I wonder why this is happening.
Regards
Oliver
next prev parent reply other threads:[~2010-05-04 6:42 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-02 13:56 Bruno Prémont
2010-05-02 15:07 ` Alan Stern
2010-05-02 20:06 ` Bruno Prémont
2010-05-02 20:16 ` Rafael J. Wysocki
2010-05-02 20:56 ` Bruno Prémont
2010-05-02 22:04 ` Alan Stern
2010-05-02 21:59 ` Alan Stern
2010-05-03 6:34 ` Bruno Prémont
2010-05-03 13:57 ` Alan Stern
2010-05-03 14:48 ` Bruno Prémont
2010-05-03 15:04 ` Alan Stern
2010-05-03 19:23 ` Bruno Prémont
2010-05-03 19:39 ` Alan Stern
2010-05-03 19:46 ` Bruno Prémont
2010-05-03 20:11 ` Alan Stern
2010-05-03 20:57 ` Bruno Prémont
2010-05-03 21:11 ` Bruno Prémont
2010-05-04 6:42 ` Oliver Neukum [this message]
2010-05-04 8:37 ` [linux-pm] " Jiri Kosina
2010-05-04 21:04 ` Bruno Prémont
2010-05-05 12:58 ` Jiri Kosina
2010-05-05 19:17 ` Bruno Prémont
2010-05-05 20:30 ` Bruno Prémont
2010-05-05 20:53 ` Bruno Prémont
2010-05-05 20:55 ` Jiri Kosina
2010-05-05 21:35 ` Alan Stern
2010-05-06 17:47 ` Bruno Prémont
2010-05-06 18:40 ` Alan Stern
2010-05-06 20:59 ` Bruno Prémont
2010-05-07 8:29 ` Jiri Kosina
2010-05-07 21:18 ` s2ram slow resume - radeon versus no_console_suspend? Bruno Prémont
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