linux-kernel - Re: Regression from 2.6.36

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20110415104700.GD22688@suse.de>
Date:	Fri, 15 Apr 2011 11:47:00 +0100
From:	Mel Gorman <mgorman@...e.de>
To:	azurIt <azurit@...ox.sk>
Cc:	Mel Gorman <mel@....ul.ie>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Changli Gao <xiaosuo@...il.com>,
	Am?rico Wang <xiyou.wangcong@...il.com>,
	Jiri Slaby <jslaby@...e.cz>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
	Jiri Slaby <jirislaby@...il.com>
Subject: Re: Regression from 2.6.36

On Fri, Apr 15, 2011 at 11:59:03AM +0200, azurIt wrote:
> 
> Also this new patch is working fine and fixing the problem.
> 
> Mel, I cannot run your script:
> # perl watch-highorder-latency.pl
> Failed to open /sys/kernel/debug/tracing/set_ftrace_filter for writing at watch-highorder-latency.pl line 17.
> 
> # ls -ld /sys/kernel/debug/
> ls: cannot access /sys/kernel/debug/: No such file or directory
> 

mount -t debugfs none /sys/kernel/debug

If it still doesn't work, sysfs or the necessary FTRACE options are
not enabled on your .config. I'll give you a list if that is the case.

Thanks.

-- 
Mel Gorman
SUSE Labs
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/