netdev - Re: commit 64ff3b938ec6782e6585a83d5459b98b0c3f6eb8 breaks rlogin

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Message-ID: <20090206054541.GA4954@gondor.apana.org.au>
Date:	Fri, 6 Feb 2009 16:45:41 +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>, netdev@...r.kernel.org
Subject: Re: commit 64ff3b938ec6782e6585a83d5459b98b0c3f6eb8 breaks rlogin

On Fri, Feb 06, 2009 at 01:39:19PM +0800, Jeff Chua wrote:
> 
> Attached are two strace. t1.good is a good rlogin run. t4.bad is bad
> rlogin run where nothing is displayed but typing "~-." gets back to
> the host.

You traced the side receiving the urgent pointer.  This has
nothing to do with the patch since it only changes sending
behaviour.

Did you change the kernel on the other side during these tests?

If reverting the patch on the other side does fix the problem
for you, please do the two straces there.

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