From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikola Ciprich Subject: Re: regression - 2.6.36 -> 2.6.37 - kvm - 32bit SMP guests don't boot Date: Mon, 28 Feb 2011 16:28:23 +0100 Message-ID: <20110228152823.GF29840@pcnci.linuxbox.cz> References: <4D664E85.8070808@redhat.com> <20110224124151.GK25673@pcnci.linuxbox.cz> <4D665449.4050908@redhat.com> <20110224125702.GC29840@pcnci.linuxbox.cz> <20110225104823.GD29840@pcnci.linuxbox.cz> <4D67C077.6060108@redhat.com> <20110227172052.GB2474@nik-comp.lan> <4D6BA85B.7080908@redhat.com> <20110228143247.GE29840@pcnci.linuxbox.cz> <4D6BBC84.6020408@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Avi Kivity , Nikola Ciprich , KVM list , Linux kernel list To: Zachary Amsden Return-path: Content-Disposition: inline In-Reply-To: <4D6BBC84.6020408@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On Mon, Feb 28, 2011 at 10:17:24AM -0500, Zachary Amsden wrote: > On 02/28/2011 09:32 AM, Nikola Ciprich wrote: >>> Does the bug you are hitting manifest on both Intel and AMD platforms? >>> >> I don't have any AMD box here, I'll try this out at my home box. >> >> >>> Further, do the systems you are hitting this on have stable or unstable >>> TSCs? >>> >> how do I find this out? I don't see any warning about TSC in guest, but I've >> just started it.. >> n. > > Before worrying about the guest, is the host TSC stable? What is the > host clocksource? not sure, I'm not setting anything specifically, is this snippet of dmesg relevant: [ 1.148829] HPET: 8 timers in total, 5 timers will be used for per-cpu timer [ 1.148934] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 40, 41, 42, 43, 44, 0 [ 1.149331] hpet0: 8 comparators, 64-bit 14.318180 MHz counter [ 1.151831] hpet: hpet2 irq 40 for MSI [ 1.151962] hpet: hpet3 irq 41 for MSI [ 1.155930] hpet: hpet4 irq 42 for MSI [ 1.159937] hpet: hpet5 irq 43 for MSI [ 1.163943] hpet: hpet6 irq 44 for MSI [ 1.175955] Switching to clocksource tsc so I guess I'm using hpet? n. > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@linuxbox.cz -------------------------------------