Re: strange guest slowness after some time

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Tomasz Chmielewski wrote:
Felix Leimbach schrieb:
Out of 3 e1000 guests none has ever been hit.

Observed with kvm-83 and kvm-84 with the host running in-kernel KVM code (linux 2.6.25.7)
Could you add a (unused) e1000 interface to your virtio guests?
As this issue happens rarely for me, maybe you could help to reproduce it as well (i.e. if network gets slow on virtio interface, give e1000 a IP address, and try if network is also slow on e1000 on the very same guest).
Will do and report

BTW, what CPU do you have?
One dual core Opteron 2212
Note: I will upgrade to two Shanghai Quad-Cores in 2 weeks and test with those as well.

processor       : 1
vendor_id       : AuthenticAMD
cpu family      : 15
model           : 65
model name      : Dual-Core AMD Opteron(tm) Processor 2212
stepping        : 2
cpu MHz         : 1994.996
cache size      : 1024 KB
physical id     : 0
siblings        : 2
core id         : 1
cpu cores       : 2
apicid          : 1
initial apicid  : 1
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dno wext 3dnow rep_good nopl pni cx16 lahf_lm cmp_legacy svm extapic cr8_legacy
bogomips        : 3990.06
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
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