From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Xen 4.5 migration blows up. Date: Fri, 14 Mar 2014 12:47:06 -0400 Message-ID: <20140314164706.GA30560@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xensource.com, ian.campbell@citrix.com, boris.ostrovsky@oracle.com List-Id: xen-devel@lists.xenproject.org Hey Ian, I keep on seeing this when trying to a migration with the upstream Linux: xc: progress: Saving memory: iter 0 (last sent 0 skipped 0): 941056/1045504 90% xc: progress: Saving memory: iter 0 (last sent 0 skipped 0): 993280/1045504 95% xc: progress: Saving memory: iter 0 (last sent 0 skipped 0): 1045504/1045504 100% libxl-save-helper: xc_domain_save.c:2045: xc_domain_save: Assertion `rc' failed. libxl: error: libxl_utils.c:396:libxl_read_exactly: file/stream truncated reading ipc msg header from domain 5 save/restore helper stdout pipe libxl: error: libxl_exec.c:129:libxl_report_child_exitstatus: domain 5 save/restore helper [-1] died due to fatal signal Aborted Failed to save domain, resuming domain bootstrap-i386-pvhvm could not be saved (rc:1)! I am thinking to do a bisect to narrow down the exact one, but is there a particular one you think I ought to focus on? Thanks!