Date: Thu, 5 Feb 2009 12:03:03 -0800 From: Kip Macy <kmacy@freebsd.org> To: mister.olli@googlemail.com Cc: freebsd-xen@freebsd.org Subject: Re: Time goes backwards Message-ID: <3c1674c90902051203n338be726rc18ab1f71c513d6c@mail.gmail.com> In-Reply-To: <1233863896.22204.46.camel@phoenix.blechhirn.net> References: <877i4d1p46.fsf@tabernacle.localnet> <1233285639.24925.12.camel@phoenix.blechhirn.net> <87ljsokbdn.fsf@tabernacle.localnet> <3c1674c90902042004x299bee3ay7a231a27252e7e55@mail.gmail.com> <8763joeuzz.fsf@tabernacle.localnet> <1233863896.22204.46.camel@phoenix.blechhirn.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Thu, Feb 5, 2009 at 11:58 AM, Mister Olli <mister.olli@googlemail.com> wrote: > hi, > > > Am Donnerstag, den 05.02.2009, 16:58 +0100 schrieb Julian Stecklina: >> Kip Macy <kmacy@freebsd.org> writes: >> >> > Can you please try with the latest sources and let me know if you >> > still see this? >> >> I've tried with r188140 and see no change. It still reverts to Jan 25 >> 00:50 every couple of minutes. dmesg is at > > The same for me. Setting 'xen.independent_wallclock=0' in the domU and > deactivating ntpd in the domU make the time jumps happen nearly > immediately: > ====================================================== > virt-001 template_8-CURRENT # while (true); do echo "date"; sleep 10s; done | xm console template_8-CURRENT > Thu Feb 5 20:52:22 CET 2009 > template_8-CURRENT# date > Thu Feb 5 20:52:32 CET 2009 > template_8-CURRENT# date > Thu Feb 5 20:52:42 CET 2009 > template_8-CURRENT# date > Thu Feb 5 20:52:52 CET 2009 > template_8-CURRENT# date > Sun Jan 25 00:54:16 CET 2009 > template_8-CURRENT# date > Sun Jan 25 00:54:26 CET 2009 > template_8-CURRENT# date > Sun Jan 25 00:54:36 CET 2009 > template_8-CURRENT# I will take a closer look. This is clearly a separate issue from the loss of timer interrupts - I had assumed that they were related. > virt-001 template_8-CURRENT # echo "uname -a" || xm console template_8-CURRENT > uname -a > virt-001 template_8-CURRENT # echo "uname -a" | xm console template_8-CURRENT > virt-001 template_8-CURRENT # xm console template_8-CURRENT > > template_8-CURRENT# uname -a > FreeBSD template_8-CURRENT.blechhirn.net 8.0-CURRENT FreeBSD 8.0-CURRENT #0 r188157: Thu Feb 5 14:53:10 CET 2009 root@template_8-CURRENT.blechhirn.net:/usr/obj/usr/src/sys/freebsd8_XEN i386 > template_8-CURRENT# > > > >> Btw, when I do 'reboot' in the virtual machine, it just stops and has to >> be recreated. > > The same problem here. Even with > on_reboot = 'restart' > in my config file. > > Is this a XEN problem, or is it related to the FreeBSD kernel? > FreeBSD. A different argument to shutdown needs to be passed for the reboot case. -Kip
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3c1674c90902051203n338be726rc18ab1f71c513d6c>