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[Linux-cluster] Cluster NFS causes kernel bug



I have successfully setup apache and samba as cluster services.  I am
now trying to setup nfs, but encountering a kernel bug.  Any ideas where
I should start looking to fix this?

Thanks,
Tim


System
------
node1# uname -a
Linux node1.cluster.com 2.6.18-1.2798.fc6 #1 SMP Mon Oct 16 14:39:22 EDT
2006 x86_64 x86_64 x86_64 GNU/Linux


FC6 64bit RPMs
--------------
rpm -ivh fc6_rpm/openais-0.80.1-3.x86_64.rpm

rpm -ivh fc6_rpm/perl-Net-Telnet-3.03-5.noarch.rpm
rpm -ivh fc6_rpm_more/xen-libs-3.0.3-9.fc6.x86_64.rpm
rpm -ivh fc6_rpm_more/bridge-utils-1.1-2.x86_64.rpm
rpm -ivh --nodeps fc6_rpm_more/libvirt-0.2.3-1.fc6.x86_64.rpm
rpm -ivh fc6_rpm_more/libvirt-python-0.2.3-1.fc6.x86_64.rpm
rpm -ivh fc6_rpm_more/python-virtinst-0.95.0-1.fc6.noarch.rpm
rpm -ivh fc6_rpm_more/xen-3.0.3-9.fc6.x86_64.rpm
rpm -ivh fc6_rpm_updates/cman-2.0.60-1.fc6.x86_64.rpm
rpm -ivh fc6_rpm_updates/gfs2-utils-0.1.25-1.fc6.x86_64.rpm
rpm -ivh --force fc6_rpm_updates/device-mapper-1.02.13-1.fc6.x86_64.rpm
rpm -ivh --force fc6_rpm_updates/lvm2-2.02.17-1.fc6.x86_64.rpm
rpm -ivh fc6_rpm_updates/lvm2-cluster-2.02.17-1.fc6.x86_64.rpm
rpm -ivh fc6_rpm/rgmanager-2.0.8-1.fc6.x86_64.rpm

Luci
rpm -ivh conga/python-imaging-1.1.6-3.fc6.x86_64.rpm
rpm -ivh conga/zope-2.9.7-2.fc6.x86_64.rpm rpm -ivh
conga/plone-2.5.3-1.fc6.x86_64.rpm
rpm -ivh conga/luci-0.9.3-2.fc6.x86_64.rpm

Ricci
rpm -ivh --nodeps conga/oddjob-libs-0.27-8.x86_64.rpm
rpm -ivh conga/oddjob-0.27-8.x86_64.rpm
rpm -ivh conga/modcluster-0.9.3-2.fc6.x86_64.rpm
rpm -ivh conga/ricci-0.9.3-2.fc6.x86_64.rpm


/etc/cluster/cluster.conf
-------------------------
<cluster config_version="49" name="test1">
   <clusternodes>
      <clusternode name="node1.cluster.com" nodeid="1" votes="1">
         <fence>
            <method name="1">
               <device name="simnps1" port="1" switch="1"/>
            </method>
         </fence>
      </clusternode>
      <clusternode name="node2.cluster.com" nodeid="2" votes="1">
         <fence>
            <method name="1">
               <device name="simnps1" port="2" switch="1"/>
            </method>
         </fence>
      </clusternode>
      <clusternode name="node3.cluster.com" nodeid="3" votes="1">
         <fence/>
      </clusternode>
   </clusternodes>
   <fencedevices>
      <fencedevice agent="fence_apc" ipaddr="172.20.1.12" login="root"
name="nps1" passwd=""/>
   </fencedevices>
   <rm>
      <failoverdomains>
         <failoverdomain name="web0" ordered="1" restricted="1">
            <failoverdomainnode name="node1.cluster.com" priority="1"/>
            <failoverdomainnode name="node2.cluster.com" priority="2"/>
         </failoverdomain>
      </failoverdomains>
      <resources>
         <script file="/etc/rc.d/init.d/httpd" name="httpd_init"/>
         <ip address="172.20.1.10" monitor_link="1"/>
         <fs device="/dev/sdb1" force_fsck="0" force_unmount="0"
fsid="51920" fstype="ext3" mountpoint="/mnt/disk0" name="disk0"
self_fence="0"/>
         <smb name="ssdfwmsa" workgroup="ACDADM"/>
         <ip address="172.20.1.14" monitor_link="1"/>
         <ip address="172.20.1.16" monitor_link="1"/>
      </resources>
      <service autostart="1" domain="web0" exclusive="0" name="apache0"
recovery="relocate">
         <script ref="httpd_init"/>
         <ip ref="172.20.1.10"/>
         <fs ref="disk0"/>
      </service>
      <service autostart="1" domain="web0" exclusive="0" name="samba0"
recovery="relocate">
         <ip ref="172.20.1.14"/>
         <smb ref="ssdfwmsa"/>
      </service>
      <service autostart="1" domain="web0" exclusive="0" name="nfs3"
recovery="relocate">
         <ip ref="172.20.1.16"/>
      </service>
   </rm>
   <fence_daemon clean_start="0" post_fail_delay="0"
post_join_delay="3"/>
   <cman/>
</cluster>


Commands
--------
node1# clusvcadm -e nfs3
test1# mount 172.20.1.16:/dyntest /mnt/dyntest test1# ll /mnt/dyntest

<command hangs and kernel bug logged>


/var/log/messages
-----------------
Sep 12 14:22:05 node1 clurgmgrd[2751]: <notice> Starting disabled
service service:nfs3
Sep 12 14:22:05 node1 clurgmgrd: [2751]: <info> Adding IPv4 address
172.20.1.16 to eth1
Sep 12 14:22:05 node1 avahi-daemon[2555]: Registering new address record
for 172.20.1.16 on eth1.
Sep 12 14:22:07 node1 clurgmgrd[2751]: <notice> Service service:nfs3
started
Sep 12 14:22:15 node1 mountd[29364]: authenticated mount request from
10.32.144.169:761 for /dyntest (/dyntest)
Sep 12 14:22:21 node1 kernel: original: gfs2_glock_nq_atime+0x152/0x2a2
[gfs2]
Sep 12 14:22:21 node1 kernel: pid : 29354
Sep 12 14:22:21 node1 kernel: lock type : 2 lock state : 1
Sep 12 14:22:21 node1 kernel: new: gfs2_getattr+0x2b/0x63 [gfs2]
Sep 12 14:22:21 node1 kernel: pid : 29354
Sep 12 14:22:21 node1 kernel: lock type : 2 lock state : 1
Sep 12 14:22:21 node1 kernel: ----------- [cut here ] --------- [please
bite here ] ---------
Sep 12 14:22:21 node1 kernel: Kernel BUG at fs/gfs2/glock.c:1193
Sep 12 14:22:21 node1 kernel: invalid opcode: 0000 [1] SMP
Sep 12 14:22:21 node1 kernel: last sysfs file:
/fs/gfs2/test1:gfslv/lock_module/recover_done
Sep 12 14:22:21 node1 kernel: CPU 0
Sep 12 14:22:21 node1 kernel: Modules linked in: nfsd exportfs lockd
nfs_acl ipt_MASQUERADE iptable_nat ip_nat xt_state ip_conntrack
nfnetlink ipt_REJECT xt_tcpudp iptable_filter ip_tables x_tables bridge
autofs4 hidp rfcomm l2cap bluetooth md5 sctp lock_dlm gfs2 dlm configfs
sunrpc dm_mirror dm_multipath dm_mod video sbs i2c_ec button battery
asus_acpi ac ipv6 parport_pc lp parport sg amd_rng i2c_amd8111 ide_cd
i2c_amd756 i2c_core serio_raw pcspkr cdrom e1000 shpchp tg3 floppy
k8_edac edac_mc qla2xxx scsi_transport_fc sd_mod scsi_mod ext3 jbd
ehci_hcd ohci_hcd uhci_hcd
Sep 12 14:22:21 node1 kernel: Pid: 29354, comm: nfsd Not tainted
2.6.18-1.2798.fc6 #1
Sep 12 14:22:21 node1 kernel: RIP: 0010:[<ffffffff88450641>]
[<ffffffff88450641>] :gfs2:gfs2_glock_nq+0x106/0x1f2
Sep 12 14:22:21 node1 kernel: RSP: 0018:ffff8100ea0816d0  EFLAGS:
00010282
Sep 12 14:22:21 node1 kernel: RAX: 0000000000000020 RBX:
ffff8100ea081cc0 RCX: ffffffff806aea40
Sep 12 14:22:21 node1 kernel: RDX: 0000000000000000 RSI:
0000000000000046 RDI: ffffffff80556ef0
Sep 12 14:22:21 node1 kernel: RBP: ffff8100ea081710 R08:
00000000ffffffff R09: 0000000000000400
Sep 12 14:22:21 node1 kernel: R10: 0000000000000000 R11:
0000000000000000 R12: ffff8100d8d98830
Sep 12 14:22:21 node1 kernel: R13: ffff8100d8d98830 R14:
0000000000000000 R15: ffff8100e3c3b000
Sep 12 14:22:21 node1 kernel: FS:  00002aaaab0146f0(0000)
GS:ffffffff80609000(0000) knlGS:00000000f7fd46d0
Sep 12 14:22:21 node1 kernel: CS:  0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Sep 12 14:22:21 node1 kernel: CR2: 0000000000669358 CR3:
0000000068f92000 CR4: 00000000000006e0
Sep 12 14:22:21 node1 kernel: Process nfsd (pid: 29354, threadinfo
ffff8100ea080000, task ffff8100f41ee7d0)
Sep 12 14:22:21 node1 kernel: Stack:  0000000100000000 ffff8100cc8ba01c
ffff8100ea0819b0 ffff8100d4539678
Sep 12 14:22:21 node1 kernel:  ffff8100ea0817b0 0000000000000001
ffff8100cc8ba000 ffffffff8845c747
Sep 12 14:22:21 node1 kernel:  ffff8100ea081710 ffff8100ea081710
ffff8100d8d98830 ffff8100f41ee7d0
Sep 12 14:22:21 node1 kernel: Call Trace:
Sep 12 14:22:21 node1 kernel:  [<ffffffff8845c747>]
:gfs2:gfs2_getattr+0x33/0x63
Sep 12 14:22:21 node1 kernel:  [<ffffffff886a4d0b>]
:nfsd:encode_post_op_attr+0x3f/0x213
Sep 12 14:22:21 node1 kernel:  [<ffffffff886a5492>]
:nfsd:encode_entry+0x21d/0x51b
Sep 12 14:22:21 node1 kernel:  [<ffffffff886a57a0>]
:nfsd:nfs3svc_encode_entry_plus+0x10/0x12
Sep 12 14:22:21 node1 kernel:  [<ffffffff8845a2c2>]
:gfs2:filldir_func+0x22/0x86
Sep 12 14:22:21 node1 kernel:  [<ffffffff8844abd1>]
:gfs2:do_filldir_main+0x126/0x16d
Sep 12 14:22:21 node1 kernel:  [<ffffffff8844b102>]
:gfs2:gfs2_dir_read+0x426/0x485
Sep 12 14:22:21 node1 kernel:  [<ffffffff8845aa6f>]
:gfs2:gfs2_readdir+0x9e/0xc4
Sep 12 14:22:21 node1 kernel:  [<ffffffff802350b2>]
vfs_readdir+0x77/0xa9
Sep 12 14:22:21 node1 kernel:  [<ffffffff8869ce5e>]
:nfsd:nfsd_readdir+0x6d/0xc5
Sep 12 14:22:21 node1 kernel:  [<ffffffff886a4621>]
:nfsd:nfsd3_proc_readdirplus+0xf8/0x211
Sep 12 14:22:21 node1 kernel:  [<ffffffff886990e9>]
:nfsd:nfsd_dispatch+0xd7/0x198
Sep 12 14:22:21 node1 kernel:  [<ffffffff883e2437>]
:sunrpc:svc_process+0x42e/0x6ec
Sep 12 14:22:21 node1 kernel:  [<ffffffff88699662>]
:nfsd:nfsd+0x1b5/0x32b
Sep 12 14:22:21 node1 kernel:  [<ffffffff8025cea5>] child_rip+0xa/0x11
Sep 12 14:22:22 node1 kernel: DWARF2 unwinder stuck at
child_rip+0xa/0x11
Sep 12 14:22:22 node1 kernel: Leftover inexact backtrace:
Sep 12 14:22:22 node1 kernel:  [<ffffffff886994ad>] :nfsd:nfsd+0x0/0x32b
Sep 12 14:22:22 node1 kernel:  [<ffffffff886994ad>] :nfsd:nfsd+0x0/0x32b
Sep 12 14:22:22 node1 kernel:  [<ffffffff8025ce9b>] child_rip+0x0/0x11
Sep 12 14:22:22 node1 kernel:
Sep 12 14:22:22 node1 kernel:
Sep 12 14:22:22 node1 kernel: Code: 0f 0b 68 0d 80 46 88 c2 a9 04 48 8b
75 18 49 8b 84 24 90 00
Sep 12 14:22:22 node1 kernel: RIP  [<ffffffff88450641>]
:gfs2:gfs2_glock_nq+0x106/0x1f2
Sep 12 14:22:22 node1 kernel:  RSP <ffff8100ea0816d0>

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