linux-kernel - Re: [2.6.24.x] UML select()/poll() oversleeping reproducibly (was Re: [uml-devel] g_timeout

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: <20080317162704.GA9536@c2.user-mode-linux.org>
Date:	Mon, 17 Mar 2008 12:27:04 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	Nix <nix@...eri.org.uk>
Cc:	clowncoder <vincent-perrier@...b-internet.fr>,
	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...esys.com>
Subject: Re: [2.6.24.x] UML select()/poll() oversleeping reproducibly (was
	Re: [uml-devel] g_timeout_add)

On Fri, Mar 14, 2008 at 11:01:35PM +0000, Nix wrote:
> On a 1.4GHz Athlon IV using the tsc clocksource, I see consistent
> oversleeps, but not enormous ones:

> bash-3.2# ./select-sleep 10
> Slept for 13 seconds.

I'm seeing the same thing with tickless disabled on current UML - stay
tuned...

				Jeff

-- 
Work email - jdike at linux dot intel dot com
--
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/