From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikola Ciprich Subject: Re: 2.6.32 guest with paravirt clock enabled hangs on 2.6.37.6 host (w qemu-kvm-0.13.0) Date: Mon, 9 May 2011 20:25:25 +0200 Message-ID: <20110509182525.GA2202@nik-comp.lan> References: <20110508183303.GA7918@nik-comp.lan> <4DC6E6C4.4030103@msgid.tls.msk.ru> <20110508190637.GB7918@nik-comp.lan> <4DC8252A.9050405@redhat.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Qxx1br4bt0+wmkIi" Cc: Michael Tokarev , kvm@vger.kernel.org To: Zachary Amsden Return-path: Received: from ip-85-135-19-82.customer.poda.cz ([85.135.19.82]:45333 "EHLO nik-comp.lan" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751911Ab1EISZs (ORCPT ); Mon, 9 May 2011 14:25:48 -0400 Content-Disposition: inline In-Reply-To: <4DC8252A.9050405@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: --Qxx1br4bt0+wmkIi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable The guest, because latest kernels do not suffer this problem, so I'd like to find fix so it can be pushed to -stable (we're using 2.6.32.x) host is currently 2.6.37 (and i'm currently testing 2.6.38 as well) n. On Mon, May 09, 2011 at 10:32:26AM -0700, Zachary Amsden wrote: > On 05/08/2011 12:06 PM, Nikola Ciprich wrote: >> OK, >> I see.. the problem is, that I'm trying to hunt down bug causing hangs >> when 2.6.32 guests try to run tcpdump - this seems to be reproducible ev= en on latest 2.6.32.x, and seems like it depends on kvm-clock.. >> So I was thinking about bisecting between 2.6.32 and latest git which do= esn't seem to suffer this problem but hitting another (different) problem i= n 2.6.32 complicates thinks a bit :( >> If somebody would have some hint on how to proceed, I'd be more then gra= teful.. >> cheers >> n. >> =20 > > What are you bisecting, the host kernel or the guest kernel, and what =20 > version is the host kernel? > --=20 ------------------------------------- Ing. Nikola CIPRICH LinuxBox.cz, s.r.o. 28. rijna 168, 709 01 Ostrava tel.: +420 596 603 142 fax: +420 596 621 273 mobil: +420 777 093 799 www.linuxbox.cz mobil servis: +420 737 238 656 email servis: servis@linuxbox.cz ------------------------------------- --Qxx1br4bt0+wmkIi Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEARECAAYFAk3IMZUACgkQ3xdJJrLygV5ILQCgiqeIWI1He9S1fIcxNcmWVV4O O2wAn3/t1qlCrSEUF5j1L4y7+42+Lzpg =fIxa -----END PGP SIGNATURE----- --Qxx1br4bt0+wmkIi--