From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?iso-8859-1?Q?J=F6rg?= Sommer Subject: kernel BUG at include/linux/kvm_host.h:603! Date: Fri, 7 Oct 2011 23:10:25 +0200 Message-ID: <20111007211025.GA22825@alea.gnuu.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xHFwDpU9dbj6ez1V" To: Avi Kivity , Marcelo Tosatti , kvm@vger.kernel.org Return-path: Received: from uucp.gnuu.de ([83.246.114.63]:1985 "EHLO uucp.gnuu.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753487Ab1JGWqZ (ORCPT ); Fri, 7 Oct 2011 18:46:25 -0400 Content-Disposition: inline Sender: kvm-owner@vger.kernel.org List-ID: --xHFwDpU9dbj6ez1V Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, I've got this backtrace: [130902.709711] ------------[ cut here ]------------ [130902.709747] kernel BUG at include/linux/kvm_host.h:603! [130902.709778] Oops: Exception in kernel mode, sig: 5 [#1] [130902.709788] PowerMac [130902.709796] Modules linked in: kvm nfs lockd auth_rpcgss sunrpc ppp_asy= nc crc_ccitt ppp_generic slhc ipv6 fus [130902.709947] NIP: eb589934 LR: eb5898cc CTR: 00000000 [130902.709964] REGS: c138fa10 TRAP: 0700 Not tainted (3.1.0-rc8.ledtest= -00743-gf72a209-dirty) [130902.709976] MSR: 02029032 CR: 24000462 XER: 0000= 0000 [130902.710011] TASK =3D c0f33700[22334] 'qemu-system-ppc' THREAD: c138e000 [130902.710021] GPR00: 00000001 c138fac0 c0f33700 c138fbe0 c0f33c3c 0000000= 0 c138fddc 00000000=20 [130902.710051] GPR08: 00000000 00000000 00000000 00000000 00000000 1034181= c bfa35843 10297f20=20 [130902.710080] GPR16: 10297f2c 10943ea0 00000000 00000000 10340000 0000000= 0 10340000 0000d032=20 [130902.710108] GPR24: 82004000 00000900 ffffffff e69d5000 00000001 c0f3370= 0 eb5a1000 c138fac0=20 [130902.710199] NIP [eb589934] kvmppc_vcpu_run+0x11c/0x1f4 [kvm] [130902.710225] LR [eb5898cc] kvmppc_vcpu_run+0xb4/0x1f4 [kvm] [130902.710235] Call Trace: [130902.710264] [c138fe20] [eb583eec] kvm_arch_vcpu_ioctl_run+0x350/0x37c [= kvm] [130902.710296] [c138fe50] [eb57e13c] kvm_vcpu_ioctl+0x158/0xa08 [kvm] [130902.710320] [c138fea0] [c0118dac] do_vfs_ioctl+0x730/0x7a8 [130902.710337] [c138ff10] [c0118e8c] sys_ioctl+0x68/0x8c [130902.710356] [c138ff40] [c0013a10] ret_from_syscall+0x0/0x38 [130902.710385] --- Exception: c01 at 0xf66cf38 [130902.710391] LR =3D 0xf66ce9c [130902.710399] Instruction dump: [130902.710412] 41a20014 7fc3f378 38800800 38a02000 4bffe9ad 54290024 38000= 000 8129000c=20 [130902.710442] 2f890000 409e000c 7c0000a6 54008ffe <0f000000> 8002000c 7f6= 3db78 7fc4f378=20 [130902.710481] ---[ end trace 193d4a72a409c31f ]--- [130902.710512] BUG: sleeping function called from invalid context at kerne= l/rwsem.c:21 [130902.710528] in_atomic(): 0, irqs_disabled(): 1, pid: 22334, name: qemu-= system-ppc [130902.710540] Call Trace: [130902.710555] [c138f7d0] [c000bba4] show_stack+0xbc/0x194 (unreliable) [130902.710587] [c138f820] [c0480344] dump_stack+0x30/0x38 [130902.710608] [c138f830] [c00325e8] __might_sleep+0xf8/0x100 [130902.710625] [c138f840] [c04789c0] down_read+0x38/0x64 [130902.710643] [c138f850] [c007e744] acct_collect+0x48/0x17c [130902.710661] [c138f870] [c003fd1c] do_exit+0x1ac/0x710 [130902.710680] [c138f8c0] [c000edf8] die+0x238/0x244 [130902.710697] [c138f8f0] [c000eec4] _exception+0x64/0x10c [130902.710714] [c138f9e0] [c04797a8] program_check_exception+0x1dc/0x1e4 [130902.710732] [c138fa00] [c0014070] ret_from_except_full+0x0/0x4c [130902.710780] --- Exception: 700 at kvmppc_vcpu_run+0x11c/0x1f4 [kvm] [130902.710787] LR =3D kvmppc_vcpu_run+0xb4/0x1f4 [kvm] [130902.710800] [c138fac0] [00000000] (null) (unreliable) [130902.710832] [c138fe20] [eb583eec] kvm_arch_vcpu_ioctl_run+0x350/0x37c [= kvm] [130902.710862] [c138fe50] [eb57e13c] kvm_vcpu_ioctl+0x158/0xa08 [kvm] [130902.710879] [c138fea0] [c0118dac] do_vfs_ioctl+0x730/0x7a8 [130902.710895] [c138ff10] [c0118e8c] sys_ioctl+0x68/0x8c [130902.710910] [c138ff40] [c0013a10] ret_from_syscall+0x0/0x38 [130902.710931] --- Exception: c01 at 0xf66cf38 [130902.710937] LR =3D 0xf66ce9c % uname -r 3.1.0-rc8.ledtest-00743-gf72a209-dirty % cat /proc/cpuinfo processor : 0 cpu : 7455, altivec supported clock : 606.000000MHz revision : 3.3 (pvr 8001 0303) bogomips : 36.86 timebase : 18432000 platform : PowerMac model : PowerBook6,3 machine : PowerBook6,3 motherboard : PowerBook6,3 MacRISC3 Power Macintosh detected as : 287 (iBook G4) pmac flags : 0000001b L2 cache : 256K unified pmac-generation : NewWorld Memory : 640 MB It happend while running this command: % qemu-system-ppc -m 512 -cpu 7455 -k de -enable-kvm -kernel /boot/vmlinuz-= 2.6.39.ledtest-dirty % qemu-system-ppc --version QEMU emulator version 0.15.0 (Debian 0.15.0+dfsg-1), Copyright (c) 2003-200= 8 Fabrice Bellard Bye, J=F6rg. --=20 > Ich kenn mich mit OpenBSD kaum aus, was sind denn da so die > Vorteile gegenueber Linux und iptables? Der Fuchsschwanzeffekt ist gr=F6=DFer. :-> Message-ID: --xHFwDpU9dbj6ez1V Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature http://en.wikipedia.org/wiki/OpenPGP -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEARECAAYFAk6PasEACgkQwe0mZwH1VIChOQCeN1vy6GcRtYGd6Moebojbm+oo JHUAoK8rOa6i2iHZcK4Wo6MqJoZDS8x6 =x/b9 -----END PGP SIGNATURE----- --xHFwDpU9dbj6ez1V--