linux-kernel - Re: [PATCH 2/5] TTY: ldisc, move wait idle to caller

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Message-ID: <CA+8MBbLoMzQGCk+57CuDKLAAi+K_1CSxCznyHYK=AFC0WEMRXQ@mail.gmail.com>
Date:	Thu, 1 Dec 2011 16:40:59 -0800
From:	Tony Luck <tony.luck@...el.com>
To:	Jiri Slaby <jslaby@...e.cz>
Cc:	gregkh@...e.de, linux-kernel@...r.kernel.org, jirislaby@...il.com,
	Dave Young <hidave.darkstar@...il.com>,
	Dave Jones <davej@...hat.com>,
	Ben Hutchings <ben@...adent.org.uk>,
	Dmitriy Matrosov <sgf.dma@...il.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>, stable <stable@...nel.org>
Subject: Re: [PATCH 2/5] TTY: ldisc, move wait idle to caller

On Thu, Dec 1, 2011 at 3:01 PM, Tony Luck <tony.luck@...el.com> wrote:
> [Though the following commit "TTY: ldisc, wait for ldisc infinitely in hangup"
>  sounds like it fits the symptoms]

Confirmed - reverting the "wait for ldisc infinitely" cures the hang problem (I
do seem to be hitting the 5 second delay, and there is a pause that feels
about 5 seconds long)

-Tony
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