From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: 32-bit qemu on current x86-64 kernel segfauls very early Date: Tue, 2 Nov 2010 12:02:56 -0400 Message-ID: <20101102160256.GA3435@infradead.org> References: <20101031130629.GA18224@infradead.org> <20101102151103.GA4726@infradead.org> <4CD03574.6090708@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Christoph Hellwig , kvm@vger.kernel.org To: Avi Kivity Return-path: Received: from bombadil.infradead.org ([18.85.46.34]:35540 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752548Ab0KBQC5 (ORCPT ); Tue, 2 Nov 2010 12:02:57 -0400 Content-Disposition: inline In-Reply-To: <4CD03574.6090708@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: On Tue, Nov 02, 2010 at 11:59:48AM -0400, Avi Kivity wrote: > > "KVM: Fix fs/gs reload oops with invalid ldt" > > > > Interesting, I guess we corrupt %fs on x86_64. > > Intel or AMD? Intel: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Duo CPU T9600 @ 2.80GHz stepping : 6 cpu MHz : 2133.000 cache size : 6144 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dts tpr_shadow vnmi flexpriority bogomips : 5588.00 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: