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These VMs that are running devstack are 50GB disk, so there is plenty of disk space. I don’t have cinder set up with this devstack setup.
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<div>I looked in the log for the instance and in the failing case the same message was displayed (with different MAC and uuid), and then on the next line, I see this error, register dump.</div>
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<div>KVM: entry failed, hardware error 0x0</div>
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<div>EAX=00000000 EBX=00000000 ECX=00000000 EDX=00000663</div>
<div>ESI=00000000 EDI=00000000 EBP=00000000 ESP=00000000</div>
<div>EIP=0000e05b EFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0</div>
<div>ES =0000 00000000 0000ffff 00009300</div>
<div>CS =f000 000f0000 0000ffff 00009b00</div>
<div>SS =0000 00000000 0000ffff 00009300</div>
<div>DS =0000 00000000 0000ffff 00009300</div>
<div>FS =0000 00000000 0000ffff 00009300</div>
<div>GS =0000 00000000 0000ffff 00009300</div>
<div>LDT=0000 00000000 0000ffff 00008200</div>
<div>TR =0000 00000000 0000ffff 00008b00</div>
<div>GDT= 00000000 0000ffff</div>
<div>IDT= 00000000 0000ffff</div>
<div>CR0=60000010 CR2=00000000 CR3=00000000 CR4=00000000</div>
<div>DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000</div>
<div>DR6=00000000ffff0ff0 DR7=0000000000000400</div>
<div>EFER=0000000000000000</div>
<div>Code=85 00 87 00 89 00 8b 00 00 00 86 00 88 00 8a 00 8c 00 00 90 <2e> 66 83 3e a4 65 00 0f 85 53 f2 31 c0 8e</div>
<div>d0 66 bc 00 70 00 00 66 ba 4f 3c 0f 00 e9 b1 f0</div>
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<div>Can anyone glen anything from this?</div>
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<div>In the libvirtd.log, I see:</div>
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<div>2015-01-02 15:48:21.257+0000: 20711: info : libvirt version: 1.2.2</div>
<div>2015-01-02 15:48:21.257+0000: 20711: error : virNetSocketReadWire:1454 : End of file while reading data: Input/output error</div>
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<div>Not much info (for me :).</div>
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<div>PCM (Paul Michali)</div>
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<div>MAIL …..…. <a href="mailto:pcm@cisco.com">pcm@cisco.com</a></div>
<div>IRC ……..… pc_m (<a href="http://irc.freenode.com">irc.freenode.com</a>)</div>
<div>TW ………... @pmichali</div>
<div>GPG Key … 4525ECC253E31A83</div>
<div>Fingerprint .. 307A 96BB 1A4C D2C7 931D 8D2D 4525 ECC2 53E3 1A83</div>
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<div>On Jan 2, 2015, at 10:41 AM, James Downs <<a href="mailto:egon@egon.cc">egon@egon.cc</a>> wrote:</div>
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On Jan 2, 2015, at 4:53 AM, Paul Michali (pcm) <<a href="mailto:pcm@cisco.com">pcm@cisco.com</a>> wrote:<br>
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<blockquote type="cite">I don’t see what the difference is between a working and non-working setup. :(<br>
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One other time I’ve seen this happen is if the compute node is low (or out) of disk space. If there’s connectivity problems with a cinder device, this would be a similar situation. As Kevin suggested, I’d also start looking into any logs KVM/libvirt might be
generating.<br>
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Cheers,<br>
-j<br>
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