<html><head></head><body>Thanks for the report.<br>
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My Jenkins does a test boot of a KVM guest, so there must be something different in our setups. Can you tell us all the details of your setup, eg. Hardware, host kernel, qemu, guest kernel etc. Thanks.<br>
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cheers<br><br><div class="gmail_quote">On 20 July 2017 05:46:34 GMT+10:00, joserz@linux.vnet.ibm.com wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">Hello!<br /><br />We're not able to boot any KVM guest using upstream kernel (cb8c65ccff7f77d0285f1b126c72d37b2572c865 - 4.13.0-rc1+).<br />After reaching the SLOF initial counting, the guest simply freezes:<br /><br />SLOF<br />**********************************************************************<br />QEMU Starting<br /> Build Date = Mar 3 2017 13:29:19<br /> FW Version = git-66d250ef0fd06bb8<br /> Press "s" to enter Open Firmware.<br /><br /> C0360<br /><br />After bisecting I found the commit:<br /><br /><a href="https://github.com/torvalds/linux/commit/ebd3119">https://github.com/torvalds/linux/commit/ebd3119</a><br /><br /> powerpc/mm: Add devmap support for ppc64<br /><br /> Add support for the devmap bit on PTEs and PMDs for PPC64 Book3S. This<br /> is used to differentiate device backed memory from transparent huge<br /> pages since they are handled in more or less the same manner by the core<br /> mm code.<br /><br />Reverting the commit and rebuilding 4.13.0-rc1+ was enough to make a workaround.<br />But I'll need some help from you guys in order to solve it.<br /><br />Thanks!<br /><br />Jose Ziviani<br /><br /></pre></blockquote></div><br>
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