From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: Xen 4.5 migration blows up. Date: Fri, 14 Mar 2014 17:11:25 +0000 Message-ID: <5323383D.40602@citrix.com> References: <20140314164706.GA30560@phenom.dumpdata.com> <1394815924.6442.160.camel@kazak.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1394815924.6442.160.camel@kazak.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: boris.ostrovsky@oracle.com, xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On 14/03/14 16:52, Ian Campbell wrote: > On Fri, 2014-03-14 at 12:47 -0400, Konrad Rzeszutek Wilk wrote: >> 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? > This was one of Olaf's patches from yesterday. Fixed last night or this > morning in staging I beleive. Fixed by http://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=29f0712bc008a9d6e611785424f797cfc185c1d3 "tools/libxc: fix errno handling for HVM in xc_domain_save" ~Andrew