linux-kernel - Re: [v3.11][Regression] HID: hyperv: convert alloc+memcpy to memdup

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Date:	Fri, 27 Sep 2013 12:50:57 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Joseph Salisbury <joseph.salisbury@...onical.com>
Cc:	Dan Carpenter <dan.carpenter@...cle.com>, thomas@...3r.de,
	list@...osl.org, Haiyang Zhang <haiyangz@...rosoft.com>,
	LKML <linux-kernel@...r.kernel.org>, open@...osl.org,
	HID CORE LAYER <linux-input@...r.kernel.org>,
	devel@...uxdriverproject.org
Subject: Re: [v3.11][Regression] HID: hyperv: convert alloc+memcpy to
 memdup

On Wed, 25 Sep 2013, Joseph Salisbury wrote:

> After further testing reverting the following commit does in fact
> resolve the bug:
> 
> commit b1a1442a23776756b254b69786848a94d92445ba
> Author: Jiri Kosina <jkosina@...e.cz>
> Date: Mon Jun 3 11:27:48 2013 +0200
> 
>     HID: core: fix reporting of raw events
> 
> Reverting this commit in v3.12-rc2 prevents the system from locking up, 
> which happens when connecting a bluetooth trackpad.
> 
> Jiri, do you think we should revert this patch, or is there some further 
> debugging/data collecting you would like to do?

Hi Joseph,

in this mail:

	Message-ID: <5241992E.3090805@...onical.com>
	Date: Tue, 24 Sep 2013 09:52:46 -0400

you said that reverting this commit doesn't prevent the lockups, so I am 
rather confused ... ?

Thanks,

-- 
Jiri Kosina
SUSE Labs
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