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Re: [PATCH] evdev: Release eventual input device grabs when getting disconnected

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From: Linus Torvalds <torvalds@...>
To: Greg KH <greg@...>
Cc: Bj?rn Steinbrink <B.Steinbrink@...>, Dmitry Torokhov <dmitry.torokhov@...>, Arjan van de Ven <arjan@...>, Linux Kernel Mailing List <linux-kernel@...>, Johannes Berg <johannes@...>, Jiri Kosina <jkosina@...>
Subject: Re: [PATCH] evdev: Release eventual input device grabs when getting disconnected
Date: Sunday, March 30, 2008 - 6:35 pm

On Sun, 30 Mar 2008, Greg KH wrote:

Ahh, you weren't cc'd earlier, and may have missed the discussion. It's on 
Linux-kernel in the thread called "Oops/Warning report for the week of 
March 28th 2008"

Johannes says this triggers for him:

	On the other hand, it should be easily reproducible by anyone else with
	the same trick, here's what I do:
	
	 * configure X to use /dev/input/event* devices
	 * in an xterm, do something like
	      rmmod usbhid ; modprobe usbhid
	 * switch to a VT
	 * watch kernel crash as X releases the grab on the event device

and I haven't tried it because none of my normal machines use modules, and 
I was lazy and really hoping somebody else who actually knows the device 
and input layers would take a peek.

		Linus


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Messages in current thread:
[PATCH] evdev: Release eventual input device grabs when gett..., Björn, (Sun Mar 30, 2:42 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Johannes Berg, (Mon Mar 31, 5:02 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Björn, (Mon Mar 31, 3:05 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Johannes Berg, (Tue Apr 1, 7:51 am)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Björn, (Tue Apr 1, 11:20 am)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Johannes Berg, (Wed Apr 2, 5:17 am)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Linus Torvalds, (Sun Mar 30, 5:51 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Johannes Berg, (Mon Mar 31, 4:21 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Dmitry Torokhov, (Mon Mar 31, 2:15 am)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Greg KH, (Mon Mar 31, 1:28 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Dmitry Torokhov, (Mon Mar 31, 2:01 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Greg KH, (Mon Mar 31, 4:42 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Jiri Kosina, (Mon Mar 31, 5:27 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Kay Sievers, (Mon Mar 31, 6:46 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Dmitry Torokhov, (Mon Mar 31, 4:57 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Greg KH, (Mon Mar 31, 6:09 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Dmitry Torokhov, (Mon Mar 31, 11:30 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Linus Torvalds, (Mon Mar 31, 2:24 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Benjamin Herrenschmidt, (Mon Mar 31, 7:12 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Greg KH, (Mon Mar 31, 7:51 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Benjamin Herrenschmidt, (Mon Mar 31, 9:01 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Greg KH, (Sun Mar 30, 6:22 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Björn, (Sun Mar 30, 6:42 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Dmitry Torokhov, (Mon Mar 31, 4:46 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Arjan van de Ven, (Sun Mar 30, 7:19 pm)
Re: [PATCH] evdev: Release eventual input device grabs when ..., Linus Torvalds, (Sun Mar 30, 6:35 pm)