Bugs item #1906189, was opened at 2008-03-03 13:33 Message generated for change (Comment added) made by avik You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1906189&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: Pending Resolution: None Priority: 5 Private: No Submitted By: Technologov (technologov) Assigned to: Nobody/Anonymous (nobody) Summary: All SMP guests often halt Initial Comment: All SMP configurations are very unstable - both on Intel and AMD. KVM-62. Symptons: guests often soft-lock ups, or more precisely, they slow down to unacceptable speeds. Guests may hard-lockup totally, or even BSOD in some cases. I have tried: Windows 2000 Windows XP Windows Server 2003 Windows Server 2008 The KVM acts, but it looks like a loop. ===================================================== [alexeye@pink-intel win2000-Pro]$ dmesg | tail -n40 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 SIPI to vcpu 1 vector 0x10 apic write: bad size=1 fee00030 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 SIPI to vcpu 1 vector 0x10 apic write: bad size=1 fee00030 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 Ignoring de-assert INIT to vcpu 1 SIPI to vcpu 1 vector 0x21 SIPI to vcpu 1 vector 0x21 SIPI to vcpu 1 vector 0x21 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 SIPI to vcpu 1 vector 0x21 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 SIPI to vcpu 1 vector 0x10 apic write: bad size=1 fee00030 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 Ignoring de-assert INIT to vcpu 1 SIPI to vcpu 1 vector 0x21 SIPI to vcpu 1 vector 0x21 SIPI to vcpu 1 vector 0x21 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 SIPI to vcpu 1 vector 0x21 Ignoring de-assert INIT to vcpu 0 Ignoring de-assert INIT to vcpu 1 ===================================================== (gdb) bt #0 0x0000003a016c9aa7 in ioctl () from /lib64/libc.so.6 #1 0x000000000051bb29 in kvm_run (kvm=0x2a9b040, vcpu=0) at libkvm.c:850 #2 0x00000000004fda86 in kvm_cpu_exec (env=<value optimized out>) at /root/Linstall/kvm-62rc2/qemu/qemu-kvm.c:127 #3 0x00000000004fe5d5 in kvm_main_loop_cpu (env=0x2b56490) at /root/Linstall/kvm-62rc2/qemu/qemu-kvm.c:307 #4 0x00000000004110fd in main (argc=44675488, argv=<value optimized out>) at /root/Linstall/kvm-62rc2/qemu/vl.c:7862 ===================================================== kvm statistics efer_reload 103701 0 exits 512480997 20642 fpu_reload 24781662 799 halt_exits 1824249 170 halt_wakeup 828699 68 host_state_reload 49593245 1617 hypercalls 0 0 insn_emulation 389188282 14239 insn_emulation_fail 1110 0 invlpg 0 0 io_exits 28855411 928 irq_exits 19131361 3248 irq_window 0 0 largepages 0 0 mmio_exits 16078802 0 mmu_cache_miss 4219404 415 mmu_flooded 4110773 410 mmu_pde_zapped 499335 6 mmu_pte_updated 10381639 1327 mmu_pte_write 14567944 1737 mmu_recycled 17419 0 mmu_shadow_zapped 4372079 410 ===================================================== -Alexey, 03.03.2008. ---------------------------------------------------------------------- >Comment By: Avi Kivity (avik) Date: 2009-08-10 15:29 Message: Does this still happen? ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=893831&aid=1906189&group_id=180599 -- 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
