From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Lieven Subject: Re: [Qemu-devel] Suggested Parameters for SLES 10 64-bit Date: Tue, 18 May 2010 11:57:15 +0200 Message-ID: <4BF2647B.4090503@dlh.net> References: <4BF25A7A.1010305@dlh.net> <5F70B456-4DC8-4A05-A872-00259D6C9374@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org To: Alexander Graf Return-path: Received: from zion.dlh.net ([91.198.192.1]:58353 "EHLO mail.dlh.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752762Ab0ERJ5X (ORCPT ); Tue, 18 May 2010 05:57:23 -0400 In-Reply-To: <5F70B456-4DC8-4A05-A872-00259D6C9374@suse.de> Sender: kvm-owner@vger.kernel.org List-ID: Alexander Graf wrote: > On 18.05.2010, at 11:14, Peter Lieven wrote: > > =20 >> Hi, >> >> we try to migrate some Suse Linux Enterprise 10 64-bit guests from a= bandoned >> Virtual Iron by Iron Port to qemu-kvm 0.12.4. Unfortunately the gues= ts are not >> very stable by now. With ACPI they end up in a kernel panic at boot = time and without >> they occasionally hang during boot or shortly after. >> =20 > > Could you please post the panics you get? What does hang during boot = mean? > =20 with acpi=3Doff it hangs after starting powersaved > The easiest way to get them is probably to start the guest with -seri= al stdio and pass "console=3DttyS0" on the grub command line. > > =20 without acpi=3Doff it hangs always with a lookup. one time it happened=20 directly after initializing hpet0. btw, is it safe to turn of hpet for linux guests in genereal? regarding missing kvm-clock. i made the experience that some guests=20 crash after live migration with clocksource=3Dkvm_clock while they don't with clocksource=3Dacpi_p= m.=20 this is off topic here, but its also something i would like to debug with someone. Starting cupsd d= one Starting ZENworks Management Daemon d= one IA-32 Microcode Update Driver v1.14 unregistered Starting INET services. (xinetd) d= one Checking/updating CPU microcode d= one NET: Registered protocol family 10 lo: Disabled Privacy Extensions IPv6 over IPv4 tunneling driver =2E.dead Try to get initial date and time via NTP from 212.110.100.1 d= one Starting network time protocol daemon (NTPD) d= one Starting Name Service Cache Daemon d= one NetBackup SAN Client Fibre Transport daemon started. Starting powersaved: d= one Starting mail service (Postfix) NMI Watchdog detected LOCKUP on CPU 0 CPU 0 Modules linked in: ipv6 button battery ac apparmor aamatch_pcre loop=20 usbhid dm_mod 8139cp mii uhci_hcd e1000 i2c_piix4 usbcore ide_cd=20 i2c_core cdrom parport_pc lp parport ext3 jbd sg sym53c8xx=20 scsi_transport_spi edd fan thermal processor piix sd_mod scsi_mod=20 ide_disk ide_core Pid: 3134, comm: powersaved Not tainted 2.6.16.46-0.12-smp #1 RIP: 0010:[] {paranoid_restore+81} RSP: 0000:ffffffff8041afd8 EFLAGS: 00010086 RAX: ffffffff88021d50 RBX: ffffffff88021e18 RCX: 00000000b4c562b6 RDX: 00000000000001f7 RSI: ffffffff88021e18 RDI: 00000000000001f7 RBP: 0000000000000000 R08: 00000000000004e2 R09: ffffffff80417d60 R10: 000000000000001f R11: ffffffff8800752c R12: ffffffff88021d00 R13: 00000000000004e2 R14: ffffffff80417dac R15: 0000000000000040 =46S: 00002ae1d26ee760(0000) GS:ffffffff803be000(0000) knlGS:000000000= 0000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000555b30 CR3: 0000000210fe9000 CR4: 00000000000006e0 Process powersaved (pid: 3134, threadinfo ffff810210ff2000, task=20 ffff810211f83850) Stack: ffffffff802dabf1 0000000000000010 0000000000010086 ffffffff8041a= fd8 0000000000000000 0000000000000000 0000000000000000 0000000000000= 000 0000000000000000 0000000000000000 Call Trace: {paranoid_restore+81} {paranoid_restore+81} Code: 48 cf 65 48 8b 0c 25 10 00 00 00 48 81 e9 d8 1f 00 00 8b 59 console shuts up ... <0>Kernel panic - not syncing: Aiee, killing interrupt handler! >> Has anyone experience with suitable kvm and/or kernel parameters to = get >> this stable? >> =20 > > It should be reasonably stable already. The only issue I'm aware of i= s the missing kvm-clock, so don't expect your timekeeping inside the gu= est to be 100% sane. > > > Alex > > > =20 --=20 Mit freundlichen Gr=FC=DFen/Kind Regards Peter Lieven =2E....................................................................= =2E.................................... KAMP Netzwerkdienste GmbH Vestische Str. 89-91 | 46117 Oberhausen Tel: +49 (0) 208.89 402-50 | Fax: +49 (0) 208.89 402-40 mailto:pl@kamp.de | http://www.kamp.de Gesch=E4ftsf=FChrer: Heiner Lante | Michael Lante Amtsgericht Duisburg | HRB Nr. 12154 USt-Id-Nr.: DE 120607556 =2E....................................................................= =2E...................................=20