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After updating to newest OpenVZ NFS seems to have a problem [message #51352]

Fri, 25 April 2014 18:32

rumburak
Messages: 2
Registered: April 2014

Junior Member

Hi,
my /vz is mounted by NFS (vers=3) and I never had any problems for years, but after updating

vzkernel-2.6.32-042stab085.20.x86_64 -> vzkernel-2.6.32-042stab088.4.x86_64
vzctl-4.6.1-1.x86_64 -> vzctl-4.7-1.x86_64

I now see the following errors on my console (CentOS 6.4) when I reboot.
The machine and the VEs seems to be OK but anyone knows what's going on here?

(Full log is attached.)

Apr 25 18:54:48 my-machine kernel: [33024.548470] ------------[ cut here ]------------
Apr 25 18:54:48 my-machine kernel: [33024.548724] WARNING: at fs/nfs/inode.c:120 nfs_clear_inode+0xa7/0xb0 [nfs]() (Not tainted)
Apr 25 18:54:48 my-machine kernel: [33024.549087] Hardware name: VMware Virtual Platform
Apr 25 18:54:48 my-machine kernel: [33024.549289] nfs_clear_inode: inode (ino: 2670533) reserved bytes: 282624
Apr 25 18:54:48 my-machine kernel: [33024.549537] Modules linked in: vzdquota vzevent nfs lockd fscache auth_rpcgss nfs_acl sunrpc vzdev ipv6 ppdev parport_pc parport e1000 vmware_balloon sg i2c_piix4 i2c_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif sr_mod cdrom vmw_pvscsi pata_acpi ata_generic ata_piix dm_mirror dm_region_hash dm_log dm_mod [last unloaded: ploop]
Apr 25 18:54:48 my-machine kernel: [33024.553153] Pid: 7470, comm: umount.nfs veid: 0 Not tainted 2.6.32-042stab088.4 #1
Apr 25 18:54:48 my-machine kernel: [33024.554991] Call Trace:
Apr 25 18:54:48 my-machine kernel: [33024.555244] [<ffffffff81075037>] ? warn_slowpath_common+0x87/0xc0
Apr 25 18:54:48 my-machine kernel: [33024.555537] [<ffffffff81075126>] ? warn_slowpath_fmt+0x46/0x50
Apr 25 18:54:48 my-machine kernel: [33024.555833] [<ffffffffa028e317>] ? nfs_clear_inode+0xa7/0xb0 [nfs]
Apr 25 18:54:48 my-machine kernel: [33024.556181] [<ffffffff811c996c>] ? clear_inode+0xac/0x140
Apr 25 18:54:48 my-machine kernel: [33024.556454] [<ffffffff811c9a40>] ? dispose_list+0x40/0x120
Apr 25 18:54:48 my-machine kernel: [33024.556723] [<ffffffff811ca0c8>] ? invalidate_inodes_check+0x238/0x3e0
Apr 25 18:54:48 my-machine kernel: [33024.557078] [<ffffffff811ae7a2>] ? generic_shutdown_super+0x52/0x100
Apr 25 18:54:48 my-machine kernel: [33024.557379] [<ffffffff811ae8e0>] ? kill_anon_super+0x40/0x80
Apr 25 18:54:48 my-machine kernel: [33024.557666] [<ffffffffa0293345>] ? nfs_kill_super+0x25/0x40 [nfs]
Apr 25 18:54:48 my-machine kernel: [33024.557951] [<ffffffff811aeda9>] ? deactivate_super+0x79/0xa0
Apr 25 18:54:48 my-machine kernel: [33024.558292] [<ffffffff811cf4ef>] ? mntput_no_expire+0xbf/0x110
Apr 25 18:54:48 my-machine kernel: [33024.558574] [<ffffffff811d0122>] ? sys_umount+0x82/0x3d0
Apr 25 18:54:48 my-machine kernel: [33024.558841] [<ffffffff8100b102>] ? system_call_fastpath+0x16/0x1b
Apr 25 18:54:48 my-machine kernel: [33024.559185] ---[ end trace f63a15ea49efa196 ]---
Apr 25 18:54:48 my-machine kernel: [33024.559428] Tainting kernel with flag 0x9
Apr 25 18:54:48 my-machine kernel: [33024.559650] Pid: 7470, comm: umount.nfs veid: 0 Not tainted 2.6.32-042stab088.4 #1
Apr 25 18:54:48 my-machine kernel: [33024.560088] Call Trace:
Apr 25 18:54:48 my-machine kernel: [33024.560280] [<ffffffff81074ec1>] ? add_taint+0x71/0x80
Apr 25 18:54:48 my-machine kernel: [33024.560539] [<ffffffff81075044>] ? warn_slowpath_common+0x94/0xc0
Apr 25 18:54:48 my-machine kernel: [33024.560825] [<ffffffff81075126>] ? warn_slowpath_fmt+0x46/0x50
Apr 25 18:54:48 my-machine kernel: [33024.561174] [<ffffffffa028e317>] ? nfs_clear_inode+0xa7/0xb0 [nfs]
Apr 25 18:54:48 my-machine kernel: [33024.561465] [<ffffffff811c996c>] ? clear_inode+0xac/0x140
Apr 25 18:54:48 my-machine kernel: [33024.561729] [<ffffffff811c9a40>] ? dispose_list+0x40/0x120
Apr 25 18:54:48 my-machine kernel: [33024.561995] [<ffffffff811ca0c8>] ? invalidate_inodes_check+0x238/0x3e0
Apr 25 18:54:48 my-machine kernel: [33024.562346] [<ffffffff811ae7a2>] ? generic_shutdown_super+0x52/0x100
Apr 25 18:54:48 my-machine kernel: [33024.562641] [<ffffffff811ae8e0>] ? kill_anon_super+0x40/0x80
Apr 25 18:54:48 my-machine kernel: [33024.562926] [<ffffffffa0293345>] ? nfs_kill_super+0x25/0x40 [nfs]
Apr 25 18:54:48 my-machine kernel: [33024.563270] [<ffffffff811aeda9>] ? deactivate_super+0x79/0xa0
Apr 25 18:54:48 my-machine kernel: [33024.563554] [<ffffffff811cf4ef>] ? mntput_no_expire+0xbf/0x110
Apr 25 18:54:48 my-machine kernel: [33024.563831] [<ffffffff811d0122>] ? sys_umount+0x82/0x3d0
Apr 25 18:54:48 my-machine kernel: [33024.564148] [<ffffffff8100b102>] ? system_call_fastpath+0x16/0x1b

Attachment: messages.txt
(Size: 20.39KB, Downloaded 359 times)

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Re: After updating to newest OpenVZ NFS seems to have a problem [message #51354 is a reply to message #51352]

Sat, 26 April 2014 12:44

Paparaciz
Messages: 302
Registered: August 2009

Senior Member

it is not very clear when you see this.
1. when system is with kernel 042stab085.20 and you reboot for update. or is it after reboot.
2. or is it already 042stab088.4 and you reboot for some reason?

if 1. is it reproducable? is it reproducable with 042stab088.4 ?
if 2. is it reproducable? if yes- probably best way is to fill bug report. otherwise you can fill bug report and than hope openvz developers will know where problem is.

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Re: After updating to newest OpenVZ NFS seems to have a problem [message #51356 is a reply to message #51354]

Sun, 27 April 2014 07:01

rumburak
Messages: 2
Registered: April 2014

Junior Member

It happens everytime when I reboot the hardware node.
After some testing I notice that this message also occurs on older kernels and older vctls. (I haven't rebootet that old machines for years.)
So I will fill a bug report!

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