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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>This appears to be a centos kernel issue rather than a xen one.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><a href="https://lkml.org/lkml/2016/5/17/440">https://lkml.org/lkml/2016/5/17/440</a><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Digging through the posts and not clear why this never made it upstream…<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I’m going to apply that patch to my systems and see if it resolves, but won’t know for certain until a week or two of stability goes by.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>- Nathan<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='color:#1F497D'><o:p> </o:p></span></a></p><span style='mso-bookmark:_MailEndCompose'></span><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> CentOS-virt [mailto:centos-virt-bounces@centos.org] <b>On Behalf Of </b>Nathan March<br><b>Sent:</b> Wednesday, August 23, 2017 2:48 PM<br><b>To:</b> centos-virt@centos.org<br><b>Subject:</b> [CentOS-virt] Major stability problems with xen 4.6.6<o:p></o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m seeing numerous crashes on the xen 4.6.6-1 / 4.6.6-2 releases, on both the 4.9.34-29 and 4.9.39-29 kernels.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve attached a txt with two different servers outputs.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Xen-028: This crashed this morning while running 4.6.6-1 and 4.9.39-29<o:p></o:p></p><p class=MsoNormal>Xen-001: This crashed shortly after being upgraded to 4.6.6-2 and 4.9.34-29<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Both are on different hardware platforms, and have had a long history of being stable until these upgrades.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It sounds potentially related to <a href="https://kernel.googlesource.com/pub/scm/linux/kernel/git/tiwai/sound-unstable/+/9ce119f318ba1a07c29149301f1544b6c4bea52a%5E%21/">https://kernel.googlesource.com/pub/scm/linux/kernel/git/tiwai/sound-unstable/+/9ce119f318ba1a07c29149301f1544b6c4bea52a%5E%21/</a> but I’ve confirmed this patch is in the above kernels.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Any suggestions / thoughts?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers,<o:p></o:p></p><p class=MsoNormal>Nathan<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>