From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: KVM internal error with some amounts of guest memory Date: Thu, 14 Jun 2012 23:45:13 +0400 Message-ID: <4FDA3F49.90307@msgid.tls.msk.ru> References: <4FDA3A04.2000005@msgid.tls.msk.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: qemu-devel To: KVM list Return-path: Received: from isrv.corpit.ru ([86.62.121.231]:57266 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752975Ab2FNTpP (ORCPT ); Thu, 14 Jun 2012 15:45:15 -0400 In-Reply-To: <4FDA3A04.2000005@msgid.tls.msk.ru> Sender: kvm-owner@vger.kernel.org List-ID: On 14.06.2012 23:22, Michael Tokarev wrote: > Now that's something else. Reported by a debian user, but > trivially reproducible. > > $ kvm -m 1.4g > KVM internal error. Suberror: 1 > emulation failure > EAX=000e3c54 EBX=00000000 ECX=00000000 EDX=00000cfd > ESI=00000000 EDI=00000000 EBP=00000000 ESP=00006fe8 > EIP=000f309b EFL=00000016 [----AP-] CPL=0 II=0 A20=1 SMM=0 HLT=0 > ES =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > CS =0008 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA] > SS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > DS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > FS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > GS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT > TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy > GDT= 000fd3a8 00000037 > IDT= 000fd3e6 00000000 > CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000 > DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 > DR6=00000000ffff0ff0 DR7=0000000000000400 > EFER=0000000000000000 > Code=ff ff ba 59 00 00 00 a8 10 89 d8 75 09 b9 ef 2f ff ff ff d1 23 59 5b 5e e9 4a ff ff ff 31 d2 89 f0 e8 6c fa ff ff 89 c6 85 c0 79 ab c7 04 24 8c 4c > > This is 1.1. Qemu 1.1 with -enable-kvm also has this very issue. Switching to qemu-devel@. > -m 1.5g works. -no-kvm works. I can trivially reproduce this on two machines, both are AMD-based. I don't know if it is amd-specific or not. /mjt From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:60900) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfFyv-0000MI-HK for qemu-devel@nongnu.org; Thu, 14 Jun 2012 15:45:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SfFyt-00042E-QI for qemu-devel@nongnu.org; Thu, 14 Jun 2012 15:45:25 -0400 Received: from isrv.corpit.ru ([86.62.121.231]:57743) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SfFyt-00041W-It for qemu-devel@nongnu.org; Thu, 14 Jun 2012 15:45:23 -0400 Message-ID: <4FDA3F49.90307@msgid.tls.msk.ru> Date: Thu, 14 Jun 2012 23:45:13 +0400 From: Michael Tokarev MIME-Version: 1.0 References: <4FDA3A04.2000005@msgid.tls.msk.ru> In-Reply-To: <4FDA3A04.2000005@msgid.tls.msk.ru> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] KVM internal error with some amounts of guest memory List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: KVM list Cc: qemu-devel On 14.06.2012 23:22, Michael Tokarev wrote: > Now that's something else. Reported by a debian user, but > trivially reproducible. > > $ kvm -m 1.4g > KVM internal error. Suberror: 1 > emulation failure > EAX=000e3c54 EBX=00000000 ECX=00000000 EDX=00000cfd > ESI=00000000 EDI=00000000 EBP=00000000 ESP=00006fe8 > EIP=000f309b EFL=00000016 [----AP-] CPL=0 II=0 A20=1 SMM=0 HLT=0 > ES =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > CS =0008 00000000 ffffffff 00c09b00 DPL=0 CS32 [-RA] > SS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > DS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > FS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > GS =0010 00000000 ffffffff 00c09300 DPL=0 DS [-WA] > LDT=0000 00000000 0000ffff 00008200 DPL=0 LDT > TR =0000 00000000 0000ffff 00008b00 DPL=0 TSS32-busy > GDT= 000fd3a8 00000037 > IDT= 000fd3e6 00000000 > CR0=00000011 CR2=00000000 CR3=00000000 CR4=00000000 > DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 > DR6=00000000ffff0ff0 DR7=0000000000000400 > EFER=0000000000000000 > Code=ff ff ba 59 00 00 00 a8 10 89 d8 75 09 b9 ef 2f ff ff ff d1 23 59 5b 5e e9 4a ff ff ff 31 d2 89 f0 e8 6c fa ff ff 89 c6 85 c0 79 ab c7 04 24 8c 4c > > This is 1.1. Qemu 1.1 with -enable-kvm also has this very issue. Switching to qemu-devel@. > -m 1.5g works. -no-kvm works. I can trivially reproduce this on two machines, both are AMD-based. I don't know if it is amd-specific or not. /mjt