From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrey Korolyov Subject: Re: 3.10.X kernel/jump_label kvm Date: Sat, 01 Mar 2014 18:27:53 +0400 Message-ID: <5311EE69.5000305@xdel.ru> References: <5310E7E8.1040508@profihost.ag> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Stefan Priebe Return-path: Received: from mail-la0-f44.google.com ([209.85.215.44]:41240 "EHLO mail-la0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752826AbaCAO2q (ORCPT ); Sat, 1 Mar 2014 09:28:46 -0500 Received: by mail-la0-f44.google.com with SMTP id hr13so3510379lab.17 for ; Sat, 01 Mar 2014 06:27:59 -0800 (PST) In-Reply-To: <5310E7E8.1040508@profihost.ag> Sender: kvm-owner@vger.kernel.org List-ID: On 02/28/2014 11:47 PM, Stefan Priebe wrote: > Hello, > > i got this stack trace multiple times while using a vanilla 3.10.32 > kernel and already sent it to the list in december but got no replies. > Hi, What kind of workload the host system is experiencing at same time? Does this event correlate with high memory pressure? > [78136.551061] WARNING: at kernel/jump_label.c:80 > __static_key_slow_dec+0xb6/0xc0() > [78136.551062] jump label: negative count! > [78136.551063] Modules linked in: sch_htb act_police cls_u32 sch_ingress > vhost_net tun macvtap macvlan netconsole ipt_REJECT dlm sctp > iptable_filter ip_tables x_tables iscsi_tcp libiscsi_tcp libiscsi > scsi_transport_iscsi nfsd auth_rpcgss oid_registry bonding ext2 8021q > garp fuse mperf coretemp kvm_intel kvm crc32_pclmul ghash_clmulni_intel > microcode i2c_i801 button dm_mod raid1 md_mod usbhid usb_storage > ohci_hcd sg sd_mod ehci_pci ahci ehci_hcd igb libahci i2c_algo_bit isci > usbcore i2c_core usb_common libsas ptp ixgbe(O) scsi_transport_sas pps_core > [78136.551080] CPU: 21 PID: 47183 Comm: kvm Tainted: G W O > 3.10.32+68-ph #1 > [78136.551081] Hardware name: Supermicro > X9DRW-3LN4F+/X9DRW-3TF+/X9DRW-3LN4F+/X9DRW-3TF+, BIOS 3.00 07/05/2013 > [78136.551081] 0000000000000009 ffff882f4a669be8 ffffffff81524606 > ffff882f4a669c28 > [78136.551085] ffffffff8104853b 000000004a669c08 ffffffffa045cc40 > 00000000000000fa > [78136.551088] ffffffffa045cc60 ffff882f51460160 ffff882f74ab8110 > ffff882f4a669c88 > [78136.551091] Call Trace: > [78136.551093] [] dump_stack+0x19/0x1b > [78136.551095] [] warn_slowpath_common+0x6b/0xa0 > [78136.551098] [] warn_slowpath_fmt+0x41/0x50 > [78136.551100] [] __static_key_slow_dec+0xb6/0xc0 > [78136.551102] [] static_key_slow_dec_deferred+0x11/0x20 > [78136.551110] [] kvm_free_lapic+0x90/0xa0 [kvm] > [78136.551116] [] kvm_arch_vcpu_uninit+0x23/0x90 [kvm] > [78136.551122] [] kvm_vcpu_uninit+0x20/0x40 [kvm] > [78136.551125] [] vmx_free_vcpu+0x52/0x70 [kvm_intel] > [78136.551132] [] kvm_arch_vcpu_free+0x4f/0x60 [kvm] > [78136.551138] [] kvm_arch_destroy_vm+0xf2/0x1f0 [kvm] > [78136.551141] [] ? synchronize_srcu+0x18/0x20 > [78136.551143] [] ? mmu_notifier_unregister+0xaa/0xe0 > [78136.551149] [] kvm_put_kvm+0x10e/0x1b0 [kvm] > [78136.551155] [] kvm_vcpu_release+0x13/0x20 [kvm] > [78136.551157] [] __fput+0xe1/0x230 > [78136.551160] [] ____fput+0x9/0x10 > [78136.551162] [] task_work_run+0xb5/0xd0 > [78136.551164] [] do_exit+0x2ac/0xa30 > [78136.551166] [] ? wake_up_state+0xb/0x10 > [78136.551169] [] ? signal_wake_up_state+0x1d/0x30 > [78136.551171] [] ? zap_other_threads+0x83/0xa0 > [78136.551173] [] do_group_exit+0x3a/0xa0 > [78136.551175] [] SyS_exit_group+0x12/0x20 > [78136.551177] [] system_call_fastpath+0x16/0x1b > [78136.551178] ---[ end trace b9ebb6de9753ef4c ]--- > > Thanks! > > Stefan > > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html