From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: xenstored crashes with SIGSEGV Date: Tue, 16 Dec 2014 16:23:49 +0000 Message-ID: <1418747029.16425.238.camel@citrix.com> References: <546461A2.2070908@univention.de> <1415869951.31613.26.camel@citrix.com> <548B1472.5080302@univention.de> <1418401932.16425.34.camel@citrix.com> <548B1BA8.3090504@univention.de> <1418403387.16425.38.camel@citrix.com> <548B23FA.6070108@univention.de> <1418407116.16425.53.camel@citrix.com> <1418649458.16425.108.camel@citrix.com> <548EEDF5.20808@univention.de> <1418655014.16425.138.camel@citrix.com> <1418665524.16425.171.camel@citrix.com> <548F60BF.4020901@univention.de> <1418726712.16425.213.camel@citrix.com> <1418727970.16425.217.camel@citrix.com> <1418732635.16425.221.camel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Frediano Ziglio Cc: Philipp Hahn , Ian Jackson , Xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Tue, 2014-12-16 at 16:13 +0000, Frediano Ziglio wrote: > What does "info all-registers" gdb command say about SSE registers? All zeroes. No ffs anywhere. > Do we have a bug in Xen that affect SSE instructions (possibly already > fixed after Philipp version) ? Possibly. When this was thought to be xenstored (which doesn't change all that much) debugging 4.1 seemed plausible, but since it could be anywhere else I think we either need a plausible reproduction, or a repro on a newer hypervisor (or possibly kernel) I'm afraid. Ian.