On Tue, 17 Oct 2017 06:57:45 -0600 "Jan Beulich" <jbeul...@suse.com> wrote:
> >>> On 17.10.17 at 14:44, <m...@bidouilliste.com> wrote: > > We are seeing some build issues since XSA 240 was released, since I > > didn't know if it was related to our build job I've isolated everything > > so anybody could recreate the test. > > We use Xen 4.8.2 and build it on debian 9 (9.1 to be exact) and since > > XSA 240 we have xen crashing on some servers (mostly dev machine so > > it's ok but still ...). > > As said to be sure that everyone can recreate the problem I've created > > a script that ~do what our jenkins job is doing : > > https://gist.github.com/evadot/40f92fb5320121fd8ee3b6d0d9c256c1 > > I've set the bits for reproducible build since it makes it easier to > > test on multiple machines. > > With this script runned on a debian 9.1 machine (either vm or > > physical) from /root/ directly (I didn't found the variable that remove > > build path for repro build if one exists) I get the build id > > 0764c6f6d385feed46c4b18803dabc282a50ae8b and when starting this binary > > on a Dell C6100 (Xeon L5640) I have this : > > https://www.bidouilliste.com/xen/log_xen_4.8.2_xsa_231-xsa-245_gcc-0764c6f6d > > > > 385feed46c4b18803dabc282a50ae8b.txt > > > > If I switch to clang (just added clang=y to make defconfig and make > > build) I have this : > > https://www.bidouilliste.com/xen/log_xen_4.8.2_xsa_231-xsa-245_clang-2261d6a > > > > d42adef475fa638b87f7364df155919a9.txt > > There seems to be some memory corruption on this last one (where the > > ram map is printed). > > > > But if I build it on my FreeBSD machine (12-CURRENT, clang 5.0.0) or a > > FreeBSD 11.1 VM (clang 4.0.0) I can boot my dom0 and start VMs. > > Wasn't it you who (under email address emmanuel.va...@gandi.net) > reported this same or a pretty similar problem to the discussion list > already during the embargo, finding out later that this was due to > flawed hardware on the build system of yours? > > Jan Yes, since then I've run test on multiple VM and physical machines to be sure that this wasn't our build system fault. -- Emmanuel Vadot <m...@bidouilliste.com> <m...@freebsd.org> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
