linux-kernel - Re: [BUG] ptraced process waiting on syscall may return kernel internal errnos

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Message-ID: <87myzb9m9p.wl%takeuchi_satoru@jp.fujitsu.com>
Date:	Fri, 08 Jun 2007 12:07:46 +0900
From:	Satoru Takeuchi <takeuchi_satoru@...fujitsu.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Satoru Takeuchi <takeuchi_satoru@...fujitsu.com>,
	Roland McGrath <roland@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...sign.ru>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: Re: [BUG] ptraced process waiting on syscall may return kernel internal errnos

Hi Linus,

At Thu, 7 Jun 2007 08:54:33 -0700 (PDT),
Linus Torvalds wrote:
> 
> 
> 
> On Thu, 7 Jun 2007, Satoru Takeuchi wrote:
> > 
> > I tested your patch and my problem didn't occur again, so it seems to my
> > this case at least.
> 
> Ok. I applied Roland's slightly bigger patch instead, since Ben and Paul
> pointed out that some kernel threads depend on dequeue_signal clearing the 
> bit. You might want to test that one too (or just get current git), just 
> in case there are any differences in behaviour (not bloody likely, but 
> still..)

I tested 2.6.22-rc4-git1 and it works fine.

Thanks,

Satoru
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