linux-kernel - Re: CE: xen increasing min_delta_ns to 7651397591976463850 nsec / pvops domU

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] [day] [month] [year] [list]

Date:	Thu, 25 Feb 2010 23:33:44 +0100
From:	Jens Seidel <jensseidel@...rs.sf.net>
To:	linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com
Cc:	Jens Seidel <jensseidel@...rs.sf.net>
Subject: Re: CE: xen increasing min_delta_ns to 7651397591976463850 nsec /
	pvops domU

On Thu, Feb 25, 2010 at 11:44:42PM +0200, Pasi Kärkkäinen wrote:
> CCing to xen-devel..

thanks Pasi ...

I have more information:
 
> On Mon, Feb 22, 2010 at 09:26:59AM +0100, Jens Seidel wrote:
> > I'm using vanilla 2.6.32.7 domU kernel with Xen 3.2 and get very often a
> > unresponsible system after approximately one or two days with messages such as

The problem seems to occur between 10h - 11.5h (verified three times).

Using the options "hpet=disable clocksource=jiffies nolapic acpi=off" the
problem vanished but I get a minor time drift between dom0 and domU (and
missed at least once my bus :-()

> > [43616.674502] CE: xen increasing min_delta_ns to 16086592372704132408 nsec
> > 
> > on the console. I fail to login via ssh and even to cleanly shutdown this
> > system via xm <id> shutdown. sysrq requests still work.

Oops, forget about sysrq. Now I think it didn't worked.

> > PS: Please CC: me.

Jens
--
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/