<div dir="ltr">Hi<br><br>This is my system:<br>Fedora 19<br>libvirtd (libvirt) 1.0.5.7<br>( I downgraded to this kernel version trying to solve the problem, but no luck.)<br><br>-------------<div>This is the error message:</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.083922] Disabling lock debugging due to kernel taint</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.089320] mce: [Hardware Error]: CPU 3: Machine Check Exception: 4 Bank 5: be00000000800400</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.097942] mce: [Hardware Error]: TSC 1343d498e08 ADDR 3fbbf66e4a78 MISC 1 </blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.105139] mce: [Hardware Error]: PROCESSOR 0:20652 TIME 1386007650 SOCKET 0 APIC 5 microcode 9</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.114021] mce: [Hardware Error]: Run the above through 'mcelog --ascii'</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.120889] mce: [Hardware Error]: CPU 1: Machine Check Exception: 4 Bank 5: be00000000800400</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.129505] mce: [Hardware Error]: TSC 1343d4b4948 ADDR 3fbbf66e4a78 MISC 1 </blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.136700] mce: [Hardware Error]: PROCESSOR 0:20652 TIME 1386007650 SOCKET 0 APIC 4 microcode 9</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.145582] mce: [Hardware Error]: Run the above through 'mcelog --ascii'</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.152444] mce: [Hardware Error]: Machine check: Processor context corrupt</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.159483] Kernel panic - not syncing: Fatal Machine check</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.165127] drm_kms_helper: panic occurred, switching back to text console</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
[ 536.174297] Rebooting in 30 seconds..</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">[ 566.288306] ACPI MEMORY or I/O RESET_REG.</blockquote>
</blockquote><div><br>I was running a virtual machine using qemu-kvm.</div><div><br></div><div>What i already tried:</div><div>- memtest -> no error.</div><div>- formatted and installed only the base system (no DE).</div>
<div>- downgraded kernel: 3.9.5-301.fc19.x86</div><div>- swapped the disk with another server (no error with kernel 3.9.5 but i could only test during some hours, i dont have an extra machine anymore)</div><div><br></div>
<div>Any suggestions?</div><div>Thanks, and sorry my not-good english</div></div>