Bug 699991
| Summary: | it takes around 40mins to reboot windows guest | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Suqin Huang <shuang> | ||||
| Component: | qemu-kvm | Assignee: | Marcelo Tosatti <mtosatti> | ||||
| Status: | CLOSED NOTABUG | QA Contact: | Virtualization Bugs <virt-bugs> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | medium | ||||||
| Version: | 6.1 | CC: | juzhang, mkenneth, tburke, virt-maint | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2011-08-08 22:47:17 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Please add the required info from the recent rnd comments from Bug 684719 Created attachment 496469 [details]
registers debug info
need long time to reproduce, cont to test other guest, and test win7 with vnc Suqin, Please attempt the test with QXL disabled. 1. host: 4G mem & 2 cpu processor : 1 vendor_id : AuthenticAMD cpu family : 15 model : 107 model name : AMD Athlon(tm) Dual Core Processor 4450B stepping : 2 cpu MHz : 1000.000 cache size : 512 KB flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow rep_good extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch lbrv 2. qemu-kvm-0.12.1.2-2.160.el6.x86_64 2.6.32-131.0.10.el6.x86_64 3. install guest with 4G mem & 2 vcpu vnc: need around 30mins to reboot during installation 4. install guest with 2G mem & 2 vcpu vnc: around 10 mins to reboot during installation spice: around 10 mins to reboot during installation (In reply to comment #8) > 1. host: 4G mem & 2 cpu > > processor : 1 > vendor_id : AuthenticAMD > cpu family : 15 > model : 107 > model name : AMD Athlon(tm) Dual Core Processor 4450B > stepping : 2 > cpu MHz : 1000.000 > cache size : 512 KB > > flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 > clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext > 3dnow rep_good extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy > 3dnowprefetch lbrv > > 2. qemu-kvm-0.12.1.2-2.160.el6.x86_64 > 2.6.32-131.0.10.el6.x86_64 > > 3. install guest with 4G mem & 2 vcpu > vnc: need around 30mins to reboot during installation [root@amd-4450b-4-1 ~]# free -m total used free shared buffers cached Mem: 3708 3604 103 0 0 10 -/+ buffers/cache: 3593 115 Swap: 5759 873 4886 > > 4. install guest with 2G mem & 2 vcpu > vnc: around 10 mins to reboot during installation > spice: around 10 mins to reboot during installation [root@amd-4450b-4-1 debug]# free -m total used free shared buffers cached Mem: 3708 3605 102 0 2 1258 -/+ buffers/cache: 2343 1364 Swap: 5759 20 5739 Suqin, (In reply to comment #9) > (In reply to comment #8) > > 1. host: 4G mem & 2 cpu > > > > processor : 1 > > vendor_id : AuthenticAMD > > cpu family : 15 > > model : 107 > > model name : AMD Athlon(tm) Dual Core Processor 4450B > > stepping : 2 > > cpu MHz : 1000.000 > > cache size : 512 KB > > > > flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 > > clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext > > 3dnow rep_good extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy > > 3dnowprefetch lbrv > > > > 2. qemu-kvm-0.12.1.2-2.160.el6.x86_64 > > 2.6.32-131.0.10.el6.x86_64 > > > > 3. install guest with 4G mem & 2 vcpu > > vnc: need around 30mins to reboot during installation > > [root@amd-4450b-4-1 ~]# free -m > total used free shared buffers cached > Mem: 3708 3604 103 0 0 10 > -/+ buffers/cache: 3593 115 > Swap: 5759 873 4886 The host is 873MB into swap. That is why its slow. You should decrease the guests memory to avoid swapping and achieve decent performance. Closing as not-a-bug. > > > > 4. install guest with 2G mem & 2 vcpu > > vnc: around 10 mins to reboot during installation > > spice: around 10 mins to reboot during installation > > [root@amd-4450b-4-1 debug]# free -m > total used free shared buffers cached > Mem: 3708 3605 102 0 2 1258 > -/+ buffers/cache: 2343 1364 > Swap: 5759 20 5739 |
Description of problem: it takes around 40mins to reboot guest while I install win7 Version-Release number of selected component (if applicable): qemu-kvm-0.12.1.2-2.159.el6.x86_64 How reproducible: sometime Steps to Reproduce: 1. cmd: I can reproduce when install win7.64 in Intel Q9550 1. cmd (blk:ide, nic:rtl8139) qemu-kvm -drive file=/usr/images/win7-64.qcow2,index=0,if=none,id=drive-ide0-0-0,media=disk,cache=none,format=qcow2,aio=native \ -device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \ -device rtl8139,netdev=idCTN3Lp,mac=9a:db:bf:5d:7a:58,id=ndev00idCTN3Lp,bus=pci.0,addr=0x3 -netdev tap,id=idCTN3Lp,script=/usr/kvm/scripts/qemu-ifup-switch,downscript=no -m 4096 -smp 4,cores=1,threads=1,sockets=4 \ -drive file=/usr/ISO/Windows7/en_windows_7_ultimate_with_sp1_x64_dvd_618240.iso,index=1,if=none,id=drive-ide0-0-1,media=cdrom,readonly=on,format=raw \ -device ide-drive,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -drive file=/usr/isos/windows/winutils.iso,index=2,if=none,id=drive-ide0-1-0,media=cdrom,readonly=on,format=raw \ -device ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -drive file=/usr/isos/windows/virtio-win.iso,index=3,if=none,id=drive-ide0-1-1,media=cdrom,readonly=on,format=raw -device ide-drive,bus=ide.1,unit=1,drive=drive-ide0-1-1,id=ide0-1-1 -cpu cpu64-rhel6,+sse2,+x2apic -fda /usr/local/staf/test/RHEV/kvm/autotest/client/tests/kvm/images/win7-64/answer.vfd -spice port=8000,disable-ticketing -vga qxl -rtc base=localtime,clock=host,driftfix=none -M rhel6.1.0 -boot order=cdn,once=d,menu=off -usbdevice tablet -enable-kvm top 2. 3. Actual results: Expected results: Additional info: 1. guest win7.64 & win7.32 2. host kernel: 2.6.32-131.0.7.el6.x86_64 processor : 3 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Intel(R) Core(TM)2 Quad CPU Q9550 @ 2.83GHz wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 5652.22 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual host 2: processor : 1 vendor_id : AuthenticAMD cpu family : 15 model : 107 model name : AMD Athlon(tm) Dual Core Processor 4450B stepping : 2 flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow rep_good extd_apicid pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy 3dnowprefetch lbrv bogomips : 2004.10 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ts fid vid ttp tm stc 100mhzsteps 3. top 26348 root 20 0 4878m 3.1g 1388 S 8.3 83.3 4:52.70 poll_sche qemu 26381 root 20 0 4878m 3.1g 1388 S 2.7 83.3 0:25.40 epoll_wai qemu 26364 root 20 0 4878m 3.1g 1388 D 2.0 83.3 6:01.39 sync_page qemu 26365 root 20 0 4878m 3.1g 1388 D 1.0 83.3 4:18.86 sync_page qemu 26366 root 20 0 4878m 3.1g 1388 S 0.0 83.3 2:09.33 kvm_vcpu_ qemu 26367 root 20 0 4878m 3.1g 1388 S 0.0 83.3 2:16.86 kvm_vcpu_ qemu 4. kvm_stat kvm statistics efer_reload 0 0 exits 52331952 4586 fpu_reload 3057635 229 halt_exits 1411439 0 halt_wakeup 1213669 0 host_state_reload 13569004 737 hypercalls 0 0 insn_emulation 7274552 225 insn_emulation_fail 96 0 invlpg 2372511 22 io_exits 11578010 596 irq_exits 2806064 64 irq_injections 2222159 101 irq_window 332208 18 largepages 14 0 mmio_exits 63350 18 mmu_cache_miss 141168 11 mmu_flooded 23281 2 mmu_pde_zapped 70098 2 mmu_pte_updated 540302 2 mmu_pte_write 473296 3 mmu_recycled 0 0 5. gdb info gdb (gdb) bt #0 0x0000003293cde9a7 in ioctl () from /lib64/libc.so.6 #1 0x000000000042c294 in kvm_vm_ioctl (s=<value optimized out>, type=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/kvm-all.c:888 #2 0x000000000042c575 in kvm_get_map (kvm=<value optimized out>, phys_addr=4026531840, len=<value optimized out>, opaque=0x0, cb=0x42b040 <kvm_get_dirty_bitmap_cb>) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:662 #3 kvm_get_dirty_pages_range (kvm=<value optimized out>, phys_addr=4026531840, len=<value optimized out>, opaque=0x0, cb=0x42b040 <kvm_get_dirty_bitmap_cb>) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:691 #4 0x000000000042c636 in kvm_physical_sync_dirty_bitmap (start_addr=<value optimized out>, end_addr=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2636 #5 0x00000000004ec315 in cpu_physical_sync_dirty_bitmap (start_addr=4026531840, end_addr=4093640704) at /usr/src/debug/qemu-kvm-0.12.1.2/exec.c:2015 #6 0x000000000044aab1 in vga_sync_dirty_bitmap (opaque=0x3448d40) at /usr/src/debug/qemu-kvm-0.12.1.2/hw/vga.c:1580 #7 vga_draw_graphic (opaque=0x3448d40) at /usr/src/debug/qemu-kvm-0.12.1.2/hw/vga.c:1677 #8 vga_update_display (opaque=0x3448d40) at /usr/src/debug/qemu-kvm-0.12.1.2/hw/vga.c:1938 #9 0x00000000004ca6df in qemu_spice_display_refresh (ssd=0x3446ab0) at ui/spice-display.c:242 #10 0x000000000040c10e in dpy_refresh (opaque=0x1f74bb0) at /usr/src/debug/qemu-kvm-0.12.1.2/console.h:268 #11 gui_update (opaque=0x1f74bb0) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:3649 #12 0x000000000040bb70 in qemu_run_timers (timeout=1000) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:1221 #13 main_loop_wait (timeout=1000) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:4464 #14 0x000000000042b52a in kvm_main_loop () at /usr/src/debug/qemu-kvm-0.12.1.2/qemu-kvm.c:2164 #15 0x000000000040ef55 in main_loop (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:4640 #16 main (argc=<value optimized out>, argv=<value optimized out>, envp=<value optimized out>) ---Type <return> to continue, or q <return> to quit--- at /usr/src/debug/qemu-kvm-0.12.1.2/vl.c:6845