Bugs item #1804597, was opened at 2007-09-29 10:56 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1804597&group_id=180599
Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: yunfeng (yunfeng) Assigned to: Nobody/Anonymous (nobody) Summary: soft lockup while running SMP linux guest Initial Comment: I catched a error while runing a 32bit smp linux on pae host. The linux guest hanged while running fsck on hda1. The linux kernel is 2.6.16, vcpu# is 4. Here is the command: qemu . -m 512 -smp 4 -no-acpi -net nic,macaddr=00:16:3e:4c:c7:1c,model=rtl8139 -net tap,script=/etc/kvm/qemu-ifup -hda /share/xvs/var/tmp-img_gtp10_1191033976_1 Output from dmesg of host: BUG: soft lockup detected on CPU#3! [<c044a0b7>] softlockup_tick+0x98/0xa6 [<c042cc98>] update_process_times+0x39/0x5c [<c04176ec>] smp_apic_timer_interrupt+0x5c/0x64 [<c04049bf>] apic_timer_interrupt+0x1f/0x24 [<f8abe2dd>] kvm_flush_remote_tlbs+0xce/0xdb [kvm] [<f8ac3079>] kvm_mmu_pte_write+0x1e0/0x356 [kvm] [<f8abe825>] emulator_write_emulated_onepage+0xba/0x164 [kvm] [<f8ac5e66>] x86_emulate_insn+0x20ac/0x312e [kvm] [<f8ac3b9a>] x86_decode_insn+0x624/0x844 [kvm] [<f8abe63e>] emulate_instruction+0x12b/0x258 [kvm] [<f8a17314>] handle_exception+0x16a/0x246 [kvm_intel] [<f8a170db>] kvm_handle_exit+0x70/0x8a [kvm_intel] [<f8abec7c>] kvm_vcpu_ioctl_run+0x230/0x335 [kvm] [<f8abee91>] kvm_vcpu_ioctl+0x0/0xc67 [kvm] [<f8abef94>] kvm_vcpu_ioctl+0x103/0xc67 [kvm] [<c04049bf>] apic_timer_interrupt+0x1f/0x24 [<c047abd9>] do_select+0x3ae/0x3cb [<c047b11f>] __pollwait+0x0/0xb2 [<c0547843>] loopback_xmit+0x75/0x7a [<c0427fd6>] local_bh_enable+0x74/0x7f [<c05a5595>] dev_queue_xmit+0x22e/0x24d [<c05c2673>] ip_output+0x1c0/0x1f9 [<c05c9b9e>] tcp_cong_avoid+0x15/0x25 [<c05cbbc8>] tcp_ack+0x1597/0x16c9 [<c05ceb20>] tcp_rcv_established+0x733/0x7c3 [<c05d3a67>] tcp_v4_do_rcv+0x25/0x2bc [<c059ca38>] release_sock+0x59/0x91 [<c04db744>] __next_cpu+0x12/0x21 [<c041c97f>] find_busiest_group+0x177/0x462 [<c041d3cd>] enqueue_task+0x29/0x39 [<c041d3f9>] __activate_task+0x1c/0x29 [<c041dc43>] try_to_wake_up+0x371/0x37b [<c047ade5>] core_sys_select+0x1ef/0x2ca [<c041c41c>] __wake_up_common+0x2f/0x53 [<c041d20d>] __wake_up+0x2a/0x3d [<c0437cef>] wake_futex+0x3a/0x44 [<c042d849>] __dequeue_signal+0x151/0x15c [<c042e942>] dequeue_signal+0x2d/0x9c [<c042f4d2>] sys_rt_sigtimedwait+0xc5/0x2c2 [<f8abee91>] kvm_vcpu_ioctl+0x0/0xc67 [kvm] [<c0479cc8>] do_ioctl+0x1c/0x5d [<c0479f53>] vfs_ioctl+0x24a/0x25c [<c0479fad>] sys_ioctl+0x48/0x5f [<c0403eff>] syscall_call+0x7/0xb ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1804597&group_id=180599 ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2005. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/ _______________________________________________ kvm-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/kvm-devel
