From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Richard W.M. Jones" Subject: qemu-dm segfault installing FreeBSD 32 bit FV on a heavily loaded machine Date: Mon, 14 May 2007 16:19:08 +0100 Message-ID: <46487DEC.7080101@redhat.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1265434222==" Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Mime-version: 1.0 Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel List-Id: xen-devel@lists.xenproject.org This is a cryptographically signed message in MIME format. --===============1265434222== Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms050702060708090808000508" This is a cryptographically signed message in MIME format. --------------ms050702060708090808000508 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit I'm seeing a segfault in qemu-dm when installing FreeBSD 6.2 32 bit fullvirt on a 64 bit 4-core AMD machine. The segfault only occurs (or at least is much more common) when the machine is heavily loaded. In this case, doing 'make -j 4' kernel compile in the background. There are no other domUs running. The symptom is that while FreeBSD is downloading and installing packages, qemu-dm segfaults with dmesg output like this: qemu-dm[10011]: segfault at 0000000000000000 rip 0000000000000000 rsp 0000000041400c18 error 14 Xen 3.1 from xen-3.1-testing.hg which I cloned this afternoon. Fedora 7 with all latest updates applied; in particular the 2.6.20-2925.8.fc7xen kernel. I started a Fedora BZ entry for this here: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=240009 It seems similar, but not the same as this: http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=542, but note that I've only got one FV domain running (indeed only one domU running at all). Rich. -- Emerging Technologies, Red Hat - http://et.redhat.com/~rjones/ Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, United Kingdom. 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