Haha, in the email thread he says CentOS but the bug is opened against RHEL :P Is it worth recommending a fix in skb_can_coalesce() upstream so other modules don't hit this? On Fri, Jan 11, 2019 at 7:39 PM Ilya Dryomov <idryomov@xxxxxxxxx> wrote: > > On Fri, Jan 11, 2019 at 1:38 AM Brad Hubbard <bhubbard@xxxxxxxxxx> wrote: > > > > On Fri, Jan 11, 2019 at 9:57 AM Jason Dillaman <jdillama@xxxxxxxxxx> wrote: > > > > > > I think Ilya recently looked into a bug that can occur when > > > CONFIG_HARDENED_USERCOPY is enabled and the IO's TCP message goes > > > through the loopback interface (i.e. co-located OSDs and krbd). > > > Assuming that you have the same setup, you might be hitting the same > > > bug. > > > > Thanks for that Jason, I wasn't aware of that bug. I'm interested to > > see the details. > > Here is Rom's BZ, it has some details: > > https://bugzilla.redhat.com/show_bug.cgi?id=1665248 > > Thanks, > > Ilya -- Cheers, Brad _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com