There is no useful information on Google. I can't solve this problem. I can only restart the ovirt-node ________________________________ zhouhao(a)vip.friendtimes.net > >   > From: tedhima@yahoo.co.uk > Date: 2019-09-17 15:30 > To: users; devel; zhouhao(a)vip.friendtimes.net > Subject: Re: [ovirt-users] the virtual machine crushed and I cant shutdown the vm successfully > Probably related to XFS defragmentation, have you tried to google the error message? > > https://bugzilla.kernel.org/show_bug.cgi?id=73831 > https://centos.org/forums/viewtopic.php?t=52412 > https://blog.codecentric.de/en/2017/04/xfs-possible-memory-allocation-dea... > On Tuesday, 17 September 2019, 13:55:45 GMT+7, zhouhao(a)vip.friendtimes.net <zhouhao(a)vip.friendtimes.net&gt; wrote: > > >> >>         The trouble bothered me for a long time;Some times my vm will crush and I cant shutdown it,I had to reboot the ovirt-node to slove it; >> the vm's error below >> >> The ovirt-node's error below >> >> The vm's threading on the ovirt-node, the IO ratio is 100% >> >> >> and the vm's process change to defunct >> I can not kill it,every time I had to shutdown the ovirt-node >> >> on the engine website ,the vm's status always in the way to shutdown  ,even if I wait for it for hours; >> <