Pasi Kärkkäinen <pasik at iki.fi> writes: > On Wed, Aug 20, 2008 at 07:37:25AM -0500, Michael Ekstrand wrote: >> "Akemi Yagi" <amyagi at gmail.com> writes: >> > On Tue, Aug 19, 2008 at 5:55 PM, Michael Ekstrand <michael at elehack.net> wrote: >> >> I'm running VMware Server 1.0.6 on a CentOS 5.2 host and am having some >> >> clock difficulties. >> >> >> >> Host OS is x86_64 running on 1.9 GHz AMD Sempron, nVidia chipset. >> >> >> >> Guest OS's are 32-bit FreeBSD (clock works fine after disabling ACPI, >> >> setting the clock source to the PIT, and running the guest tools), WinXP >> >> (unknown clock status), and i686 CentOS 5.2 (here is the problem). >> >> >> >> I've tried pretty much everything to try to fix it. I have host.cpukHz, >> >> host.noTSC, and ptsc.noTSC set in /etc/vmware/config. I've booted my >> >> kernel with noapic, nosmp, noacpi, divider=10. Sadly, I hit the >> >> clocksource=pit with divider bug, so I have not been able to boot with >> >> both that and divider=10, although clocksource=pit without a divider >> >> also does not work. I even built a custom kernel with SMP and APIC >> >> disabled, CPU_HZ=100, and booted with clocksource=pit noacpi, and it >> >> also gains time. >> >> >> >> Could anyone provide a recommendation as to what I can do to fix this problem? >> > >> > I understand you built a 100Hz kernel, but *just in case*, you might >> > want to try CentOS-supplied 100Hz kernel (kernel-vm) available from: >> > >> > http://people.centos.org/tru/kernel-vm/ >> >> Just tried it, and it doesn't seem to work. I used the following >> parameters: >> >> nosmp noapic nolapic noacpi clocksource=pit >> > > IIRC clocksource=pit should not be used on modern kernels.. > > Can you try clocksource=acpi_pm ? with tools.synctime = "true" flag in your > vmx file. > > (if it's available in your kernel). I tried, and the clock still gains time. Just took a few minutes for it to gain a second or two. I'll try disabling host power management sometime here when I feel like rebooting. - Michael -- mouse, n: A device for pointing at the xterm in which you want to type. Confused by the strange files? I cryptographically sign my messages. For more information see <http://www.elehack.net/resources/gpg>. -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 196 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20080821/b1c6cb1f/attachment-0004.sig>