Hi Vitaliy,
On Fri, Apr 03, 2009 at 02:21:45PM +0400, Vitaily Gusev wrote:
> On Thursday 02 April 2009 01:57:43 am Tom Rathborne wrote:
> > On Wed, Apr 01, 2009 at 05:39:59PM -0400, Tom Rathborne wrote:
> > > I commented out the junk in fs/dcache.c and the kernel compiled. :)
> > >
> > > I will send you the sysrq-D info next time I get the bug!
> >
> > Oops ... now OpenVZ won't start!
> >
> > magrathea:~# vzctl start 101
> > Starting VE ...
> > MOUNTING
> > VE is mounted
> > Error: kernel does not support user resources. Please, rebuild with
> > CONFIG_USER_RESOURCE=y VE start failed
> > UNMOUNTING
> > VE is unmounted
> >
> > I do not see a "CONFIG_USER_RESOURCE is not set" in .config,
> > and if I add 'CONFIG_USER_RESOURCE=y' then 'make menuconfig' reports:
> > .config:3953:warning: trying to assign nonexistent symbol USER_RESOURCE
> >
> > I did find a couple of references to it:
> > ./net/ipv4/tcp.c:#ifdef CONFIG_USER_RESOURCE
> > ./net/ipv4/tcp_timer.c:#ifdef CONFIG_USER_RESOURCE
> > but it looks like those should be CONFIG_BEANCOUNTERS.
> >
> > So ... what do I do next? It seems like this bug only happens with
> > OpenVZ processes, but OpenVZ will not start without
> > CONFIG_BEANCOUNTERS!
>
> Ok, switching off CONFIG_BEANCOUNTERS was a bad idea ;(
> I will prepare patch to fix beancounter warning in one-two days and send to
> you.
> Thanks a lot of for your efforts!
Debian lenny recently updated its kernel source tree and patches, so I
have built a fresh kernel with all of your debugging flags on, and of
course CONFIG_BEANCOUNTERS on. I'm using these packages:
linux-patch-debian-2.6.26 2.6.26-15 Debian patches to version 2.6.26 of
the Linux kernel
linux-source-2.6.26 2.6.26-15 Linux kernel source for version
2.6.26 with Debian patches
linux-tree-2.6.26 2.6.26-15 Linux kernel source tree for building
Debian kernel images
The Debian patch directory is much bigger ... now looks like this:
0015--UB-Double-free-for-UDP-socket.patch.bz2
0016-nfs-fix-nfs-clinet-in-VE-finally.patch.bz2
0017-cpt-bump-image-version-to-VERSION_26.patch.bz2
0018-nfs-add-missed-ve_nfs.h-file.patch.bz2
0020-autofs4-pidns-friendly-oz_mode.patch.bz2
0021-autofs-fix-default-pgrp-vnr.patch.bz2
0022-conntrack-prevent-double-allocate-free-of-protos.patch.bz2
0023-conntrack-prevent-call-register_pernet_subsys-fro.patch.bz2
0024-conntrack-prevent-call-nf_register_hooks-from-VE.patch.bz2
0025-conntrack-Allocate-free-ve_nf_conntrack_l3proto_ipv.patch.bz2
0026-ct-Move-_nf_conntrack_l3proto_ipv6-to-net-namespace.patch.bz2
0027-Fix-erratum-that-causes-memory-corruption.patch.bz2
0028-conntrack-fix-oops-in-nf_ct_frag6_gather.patch.bz2
0029-conntrack-adjust-context-during-freeing.patch.bz2
0031-Add-VE-features-for-sit-and-ipip-devices.patch.bz2
0033-netfilter-NAT-assign-nf_nat_seq_adjust_hook-from-V.patch.bz2
0034-netfilter-call-nf_register_hooks-from-VE0-context-o.patch.bz2
0040-Simplify-call-__dev_change_net_namespace-by-remove.patch.bz2
0041-Adjust-VE-before-call-netdev_unregister_kobject-netd.patch.bz2
0042-iptables-setup-init-iptables-mask-before-net-initia.patch.bz2
0042-netns-fix-net_generic-array-leak.patch.bz2
0043-net-set-ve-context-when-init-exit-method-is-called.patch.bz2
0044-vzwdog-walk-through-the-block-devices-list-properly.patch.bz2
0045-Correct-per-process-capabilities-bounding-set-in-CT.patch.bz2
0046-netns-enable-cross-ve-Unix-sockets.patch.bz2
0047-netfilter-Fix-NULL-dereference-in-nf_nat_setup_info.patch.bz2
0048-netfilter-Add-check-to-the-nat-hooks.patch.bz2
0049-cpt-Make-the-proper-check-for-sigmask.patch.bz2
0050-nfs-Fix-access-to-freed-memory.patch.bz2
0051-NFS-NFS-super-blocks-in-different-VEs-should-be-dif.patch.bz2
0052-ms-fix-inotify-umount.patch.bz2
0054-ve-sanitize-capability-checks-for-namespaces-creati.patch.bz2
0056-nfs-Fix-nfs_match_client.patch.bz2
0057-Add-do_ve_enter_hook.patch.bz2
0058-Add-kthread_create_ve-and-kthread_run_ve-functio.patch.bz2
0059-Don-t-dereference-NULL-tsk-mm-in-ve_move_task.patch.bz2
0060-nfs-use-kthread_run_ve-to-start-lockd.patch.bz2
0063-bridge-don-t-leak-master-device-on-brctl-addif.patch.bz2
0064-net-NETIF_F_VIRTUAL-intersects-with-NETIF_F_LRO.patch.bz2
0065-Fix-broken-permissions-for-Unix98-pty.patch.bz2
0066-Free-skb-nf_bridge-in-veth_xmit-and-venet_xmit.patch.bz2
0067-autofs4-fix-ia32-compat-mode.patch.bz2
0070-pidns-update-leader_pid-at-pidns-attach.patch.bz2
0072-pidns-lost-task-debug-print-uses-wrong-prototype.patch.bz2
0073-pidns-zap-ve-process-only-when-killing-ve-s-init-pi.patch.bz2
0075-bc-fix-permissions-on-proc-bc.patch.bz2
cpt-revert-check-on-sk_reuse-gt-one.patch.bz2
fix-wrong-size-of-ub0_percpu.patch.bz2
netlink-fix-conntrack-oops.patch.bz2
openvz.patch.bz2
simfs-getatts-fix-oops-on-NULL-mnt.patch.bz2
I will let you know what happens. Of course I am happy to try a
different patch if you send one, and I could put the above patch
directory online if you need.
Cheers,
Tom
--
-- Tom Rathborne
<Bootsy> Tommer needs a revision that takes care of itself.
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