From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Live migrations / saving fails with >32gb of ram? Date: Mon, 25 Jul 2011 18:05:44 -0400 Message-ID: <20110725220544.GA27271@dumpdata.com> References: <4E2DD93E.6090702@gt.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4E2DD93E.6090702@gt.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Nathan March Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Mon, Jul 25, 2011 at 01:59:42PM -0700, Nathan March wrote: > Hi All, > > Having an issue where I can't save or live migrate a VM once it contains > more than 32gb of ram. The hosting dom0 fails immediately with: > > [2011-07-25 13:49:01 9265] INFO (XendDomainInfo:2078) Domain has > shutdown: name=migrating-nathanxenuk2 id=1 reason=suspend. > [2011-07-25 13:49:01 9265] DEBUG (XendCheckpoint:144) Written done > [2011-07-25 13:49:01 9265] INFO (XendCheckpoint:423) xc: error: Couldn't > map p2m_frame_list (22 = Invalid argument): Internal error > [2011-07-25 13:49:01 9265] INFO (XendCheckpoint:423) xc: error: Failed > to map/save the p2m frame list (22 = Invalid argument): Internal error > [2011-07-25 13:49:01 9265] ERROR (XendCheckpoint:185) Save failed on > domain nathanxenuk2 (1) - resuming. > Traceback (most recent call last): > File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py", > line 146, in save > forkHelper(cmd, fd, saveInputHandler, False) > File "/usr/lib64/python2.6/site-packages/xen/xend/XendCheckpoint.py", > line 411, in forkHelper > raise XendError("%s failed" % string.join(cmd)) > XendError: /usr/lib/xen/bin/xc_save 26 1 0 0 0 failed > [2011-07-25 13:49:01 9265] DEBUG (XendDomainInfo:3135) > XendDomainInfo.resumeDomain(1) > [2011-07-25 13:49:01 9265] DEBUG (XendDomainInfo:3176) > XendDomainInfo.resumeDomain: completed > > Googled around but I can't seem to find anything related with that > error. The same vm and dom0's work fine as soon as I decrease the ram > below the 32gb mark. Anyone have any insight on what might be going on here? Does [xl|xm] save and [xl|xm] resume work?