Yes.. Host kernel oop like below.. Both Host and guest goes to deadlock condition. Gleb Natapov <gleb@xxxxxxxxxx> Sent by: kvm-owner@xxxxxxxxxxxxxxx 07/23/2009 09:02 PM To Haneef Syed <Haneef.Syed@xxxxxxxxxxxxxxx> cc avi@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx Subject Re: KVM-88 Crash with Linux-2.6.25 kernel On Thu, Jul 23, 2009 at 07:17:51PM +0530, Haneef Syed wrote: > Hi Gleb, > > After installing kvm-88 kernel package and issuing modprobe kvm-intel and > in dmesg it displays as follows > > "loaded kvm module (kvm-kmod-devel-86)" > > it confirms that kvm-88 kernel modules are installed properly but still i > m unable to fix installation bug..? > What is the bug? Host kernel oops like below? > > > > > Gleb Natapov <gleb@xxxxxxxxxx> > 07/23/2009 04:20 PM > > To > Haneef Syed <Haneef.Syed@xxxxxxxxxxxxxxx> > cc > avi@xxxxxxxxxx, kvm@xxxxxxxxxxxxxxx, > virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx > Subject > Re: KVM-88 Crash with Linux-2.6.25 kernel > > > > > > > On Thu, Jul 23, 2009 at 03:13:25PM +0530, Haneef Syed wrote: > > If i use kvm-88 kernel package then system does not crash > > > > but it uses qemu emulation but not kvm. I want kvm emulation so > > > If it uses qemu emulation then you haven't installed kvm-88 kernel modules > properly. > > > can u tell me how to achieve that. > > > > > > > > > > Gleb Natapov <gleb@xxxxxxxxxx> > > 07/23/2009 03:09 PM > > > > To > > Haneef Syed <Haneef.Syed@xxxxxxxxxxxxxxx> > > cc > > kvm@xxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, > > avi@xxxxxxxxxx > > Subject > > Re: KVM-88 Crash with Linux-2.6.25 kernel > > > > > > > > > > > > > > On Thu, Jul 23, 2009 at 03:06:07PM +0530, Haneef Syed wrote: > > > Hi All, > > > > > > I am using kvm-88 user space package with linux-2.6.25 kernel. I f i > run > > > > > following command system gets hang. > > > > > Please use kvm-88 kernel package. > > > > > ./qemu-system-x86_64 -hda new.qcow2 -cdrom > rhel-server-5.3-i386-dvd.iso > > > -boot d -m 512 > > > > > > When i print dmesg it displays as follows: > > > > > > > > > BUG: unable to handle kernel NULL pointer dereference at virtual > address > > > > > 00000024 > > > printing eip: > > > c0425fb0 > > > *pde = 3963c067 > > > Oops: 0000 [#1] > > > SMP > > > Modules linked in: ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 > > > > xt_state nf_conntrack nfnetlink ipt_REJECT xt_tcpudp iptable_filter > > > ip_tables x_tables bridge rfcomm l2cap bluetooth autofs4 sunrpc > ib_iser > > > rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi > > > scsi_transport_iscsi cpufreq_ondemand acpi_cpufreq loop dm_multipath > > ipv6 > > > kvm_intel kvm snd_hda_intel snd_hda_codec snd_seq_dummy snd_seq_oss > > > snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss > > > snd_pcm snd_timer snd soundcore via_rhine i2c_i801 parport_pc > > > snd_page_alloc mii parport i2c_core serio_raw pcspkr sg ata_generic > > > dm_snapshot dm_zero dm_mirror dm_mod ahci libata sd_mod scsi_mod ext3 > > jbd > > > mbcache uhci_hcd ohci_hcd ehci_hcd > > > CPU: 0 > > > EIP: 0060:[<c0425fb0>] Not tainted VLI > > > EFLAGS: 00010246 (2.6.21.kvm-25-21 #14) > > > EIP is at do_exit+0x2ca/0x3c8 > > > eax: 00000000 ebx: f7c51dc0 ecx: 00000001 edx: f7bc80f0 > > > esi: f7bc80f0 edi: 00000000 ebp: 00000100 esp: f5372f84 > > > ds: 007b es: 007b fs: 00d8 gs: 0000 ss: 0068 > > > Process qemu-system-x86 (pid: 3668[#0], ti=f5372000 task=f7bc80f0 > > > task.ti=f5372000) > > > Stack: f7bc80f0 00000100 f5372000 c042cdf8 f7bb1580 f7a15ac0 00000100 > > > f5372000 > > > c0426144 00000001 00d55274 00d55274 c0404db0 00000001 b77956d0 > > > 00000000 > > > 00d55274 00d55274 b7795738 000000fc ffff007b c040007b c0600000 > > > 000000fc > > > Call Trace: > > > [<c042cdf8>] signal_wake_up+0x1e/0x2c > > > [<c0426144>] sys_exit_group+0x0/0xd > > > [<c0404db0>] syscall_call+0x7/0xb > > > [<c0600000>] packet_setsockopt+0x13f/0x170 > > > ======================= > > > Code: ab 04 00 e8 f7 d4 fd ff 85 ff 74 19 8b 86 6c 04 00 00 83 b8 b0 > 00 > > 00 > > > 00 00 74 0a b8 01 00 00 00 e8 7e 64 10 00 8b 46 04 8b 40 04 <8b> 40 24 > > > e8 > > > 94 0d 02 00 8b 86 a4 00 00 00 85 c0 74 08 8b 40 04 > > > EIP: [<c0425fb0>] do_exit+0x2ca/0x3c8 SS:ESP 0068:f5372f84 > > > Fixing recursive fault but reboot is needed! > > > > > > Please suggest me how to fix this bug.. > > > > > > Thanks in advance :-)) > > > > > > > > > ______________________________________________________________________ > > > -- > > > To unsubscribe from this list: send the line "unsubscribe kvm" in > > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > > Gleb. > > > > ______________________________________________________________________ > > > > > > > > ______________________________________________________________________ > > -- > Gleb. > > ______________________________________________________________________ > > > > ______________________________________________________________________ > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html ______________________________________________________________________ ______________________________________________________________________ -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html