linux-kernel - Re: commit 64ff3b938ec6782e6585a83d5459b98b0c3f6eb8 breaks rlogin

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Message-ID: <20090206031025.GA3281@gondor.apana.org.au>
Date:	Fri, 6 Feb 2009 14:10:25 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Jeff Chua <jeff.chua.linux@...il.com>
Cc:	David Miller <davem@...emloft.net>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: commit 64ff3b938ec6782e6585a83d5459b98b0c3f6eb8 breaks rlogin

On Thu, Feb 05, 2009 at 10:41:52PM +0800, Jeff Chua wrote:
> The following commit breaks "rlogin". Symptom is the terminal just
> hangs before login to the remote machine. No error, just the cursor
> never come back. "~." or type "exit" will exit from remote session.
> Only happens "sometimes". Happens more often if you try many times.
> 
> I've reverted the commit, and rlogin works now.

Could you please try a strace on both sides, with and without
this patch applied?

This breakage may well be unintentional since I can't see rlogin
producing more than 64K of data in urgent mode.

Thanks,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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