Bug 533342

Created attachment 367793 [details]
strace result

Description of problem:
after resume from suspend to mem, guest can not work well. no respond for every operation, such as issue command ls, ifconfig, clear, or open firefox. mouse can be moved, but no response for operation.

Version-Release number of selected component (if applicable):
kvm-83-105.el5_4.10

How reproducible:
always

Steps to Reproduce:
1.CLI:
/usr/libexec/qemu-kvm -drive file=~/images/rhel5.4-32.raw,if=virtio,boot=on -no-hpet -rtc-td-hack -smp 2 -m 4G -uuid `uuidgen` -net  nic,model=e1000,macaddr=00:96:00:FA:88:95,vlan=0 -net tap,vlan=0,script=/etc/qemu-ifup -cpu qemu64,+sse2 -boot c -vnc :3 -monitor stdio -name 5.4-32-virtio -balloon none 
2.echo mem > /sys/power/state
3.issue command: ls, clear, ping baidu.com, ifconfig,dmesg after resume
  
Actual results:
no response

Expected results:


Additional info:

1. guest: rhel5.4-32/64, kerne-2.6.18-164.6.1.el5l
2. host: 
processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Core(TM) i7 CPU         920  @ 2.67GHz

3. top: 7309 root      15   0 4343m 585m  68m S  0.3  4.9   0:31.18 qemu-kvm                                                                         
 7298 root      16   0 4343m 585m  68m S  0.0  4.9   0:04.77 qemu-kvm                                                                         
 7308 root      15   0 4343m 585m  68m S  0.0  4.9   0:00.14 qemu-kvm                                                                         
 7310 root      15   0 4343m 585m  68m S  0.0  4.9   0:19.79 qemu-kvm                                                                         
 7311 root      15   0 4343m 585m  68m S  0.0  4.9   0:00.00 qemu-kvm

4. kvm_stat
 efer_reload                  0       0
 exits                  9641887    8588
 fpu_reload             1005976       3
 halt_exits              938455    2009
 halt_wakeup              65926      65
 host_state_reload	3002406    2635
 hypercalls                   0       0
 insn_emulation         5055770    3164
 insn_emulation_fail          0       0
 invlpg                       0       0
 io_exits               2207474    2315
 irq_exits               205637      85
 irq_injections         1474991    3032
 irq_window              487928    1008
 kvm_request_irq              0       0
 largepages                   0       0
 mmio_exits              736945      74
 mmu_cache_miss            5050       0
 mmu_flooded                  0       0
 mmu_pde_zapped               0       0
 mmu_pte_updated              0       0
 mmu_pte_write            16000       0
 mmu_recycled                 0       0
 mmu_shadow_zapped         5200       0
 mmu_unsync                   0       0
 mmu_unsync_global            0       0
 nmi_injections               0       0
 nmi_window                   0       0
 pf_fixed                520549      26
 pf_guest                     0       0
 remote_tlb_flush         44573       5
 request_nmi                  0       0
 signal_exits                 1       0
 tlb_flush               352717       3

5. strace (attached)
6. kvmtrace
http://focus.bne.redhat.com/~shuang/kvmtrace/