Public bug reported:
The following is displayed in dmesg. Not sure exactly what this warning
is telling me.
[28867.043692] ------------[ cut here ]------------
[28867.043707] WARNING: at /build/buildd/linux-3.2.0/fs/dcache.c:1287
d_set_d_op+0x6e/0xa0()
[28867.043712] Hardware name: H8DG6/H8DGi
[28867.043715] Modules linked in: tcp_diag inet_diag autofs4 nfsd nfs lockd
fscache auth_rpcgss nfs_acl binfmt_misc sunrpc sp5100_tco psmouse joydev
ati_agp serio_raw mac_hid k10temp fam15h_power i2c_piix4 raid10 raid456
async_raid6_recov async_pq usbhid hid pata_atiixp raid6_pq async_xor igb xor
async_memcpy dca async_tx raid1 raid0 multipath linear
[28867.043772] Pid: 23987, comm: mount.nfs Not tainted 3.2.0-25-generic-pae
#40-Ubuntu
[28867.043777] Call Trace:
[28867.043788] [<c1592f2e>] ? printk+0x2d/0x2f
[28867.043798] [<c105a5e2>] warn_slowpath_common+0x72/0xa0
[28867.043805] [<c115733e>] ? d_set_d_op+0x6e/0xa0
[28867.043811] [<c115733e>] ? d_set_d_op+0x6e/0xa0
[28867.043818] [<c105a632>] warn_slowpath_null+0x22/0x30
[28867.043824] [<c115733e>] d_set_d_op+0x6e/0xa0
[28867.043850] [<f86c260c>] __rpc_lookup_create+0x4c/0x80 [sunrpc]
[28867.043872] [<f86c32f0>] rpc_mkpipe+0x90/0x1d0 [sunrpc]
[28867.043881] [<c10fde97>] ? __get_free_pages+0x27/0x30
[28867.043889] [<c1133037>] ? kmalloc_order_trace+0x27/0xa0
[28867.043918] [<f87a30af>] nfs_idmap_new+0x5f/0xe0 [nfs]
[28867.043934] [<f87773b1>] nfs4_init_client+0x81/0x180 [nfs]
[28867.043950] [<f8775fad>] nfs_get_client+0x15d/0x230 [nfs]
[28867.043967] [<f87760d8>] nfs4_set_client.isra.19+0x58/0xc0 [nfs]
[28867.043983] [<f87765da>] nfs4_init_server+0xba/0x250 [nfs]
[28867.044003] [<f86b4bba>] ? __rpc_init_priority_wait_queue+0x6a/0x80 [sunrpc]
[28867.044069] [<f86b4b01>] ? __rpc_add_timer+0x71/0xa0 [sunrpc]
[28867.044086] [<f87774e7>] nfs4_create_server+0x37/0xe0 [nfs]
[28867.044104] [<f87811df>] nfs4_remote_mount+0x3f/0x2b0 [nfs]
[28867.044117] [<c1147cc6>] mount_fs+0x36/0x180
[28867.044129] [<c11124ff>] ? __alloc_percpu+0xf/0x20
[28867.044136] [<c115e9de>] ? alloc_vfsmnt+0xae/0x130
[28867.044142] [<c115eaf1>] vfs_kern_mount+0x51/0xa0
[28867.044160] [<f878152c>] nfs_do_root_mount+0x7c/0xc0 [nfs]
[28867.044191] [<f8781dc8>] nfs4_try_mount.isra.15+0x48/0xe0 [nfs]
[28867.044221] [<f8782d09>] nfs_fs_mount+0x189/0x1e0 [nfs]
[28867.044238] [<c1147cc6>] mount_fs+0x36/0x180
[28867.044256] [<c11124ff>] ? __alloc_percpu+0xf/0x20
[28867.044274] [<c115e9de>] ? alloc_vfsmnt+0xae/0x130
[28867.044293] [<c115eaf1>] vfs_kern_mount+0x51/0xa0
[28867.044309] [<c115fc1e>] do_kern_mount+0x3e/0xe0
[28867.044328] [<c1161314>] do_mount+0x164/0x200
[28867.044346] [<c116174b>] sys_mount+0x6b/0xa0
[28867.044366] [<c15afedf>] sysenter_do_call+0x12/0x28
[28867.044378] ---[ end trace ca0af56ffc0cfd30 ]---
[28867.044389] ------------[ cut here ]------------
[28867.044402] WARNING: at /build/buildd/linux-3.2.0/fs/dcache.c:1291
d_set_d_op+0x8f/0xa0()
[28867.044414] Hardware name: H8DG6/H8DGi
[28867.044424] Modules linked in: tcp_diag inet_diag autofs4 nfsd nfs lockd
fscache auth_rpcgss nfs_acl binfmt_misc sunrpc sp5100_tco psmouse joydev
ati_agp serio_raw mac_hid k10temp fam15h_power i2c_piix4 raid10 raid456
async_raid6_recov async_pq usbhid hid pata_atiixp raid6_pq async_xor igb xor
async_memcpy dca async_tx raid1 raid0 multipath linear
[28867.044722] Pid: 23987, comm: mount.nfs Tainted: G W
3.2.0-25-generic-pae #40-Ubuntu
[28867.044733] Call Trace:
[28867.044752] [<c1592f2e>] ? printk+0x2d/0x2f
[28867.044774] [<c105a5e2>] warn_slowpath_common+0x72/0xa0
[28867.044792] [<c115735f>] ? d_set_d_op+0x8f/0xa0
[28867.044807] [<c115735f>] ? d_set_d_op+0x8f/0xa0
[28867.044826] [<c105a632>] warn_slowpath_null+0x22/0x30
[28867.044842] [<c115735f>] d_set_d_op+0x8f/0xa0
[28867.044873] [<f86c260c>] __rpc_lookup_create+0x4c/0x80 [sunrpc]
[28867.044905] [<f86c32f0>] rpc_mkpipe+0x90/0x1d0 [sunrpc]
[28867.044924] [<c10fde97>] ? __get_free_pages+0x27/0x30
[28867.044943] [<c1133037>] ? kmalloc_order_trace+0x27/0xa0
[28867.044979] [<f87a30af>] nfs_idmap_new+0x5f/0xe0 [nfs]
[28867.045006] [<f87773b1>] nfs4_init_client+0x81/0x180 [nfs]
[28867.045034] [<f8775fad>] nfs_get_client+0x15d/0x230 [nfs]
[28867.045062] [<f87760d8>] nfs4_set_client.isra.19+0x58/0xc0 [nfs]
[28867.045090] [<f87765da>] nfs4_init_server+0xba/0x250 [nfs]
[28867.045121] [<f86b4bba>] ? __rpc_init_priority_wait_queue+0x6a/0x80 [sunrpc]
[28867.045152] [<f86b4b01>] ? __rpc_add_timer+0x71/0xa0 [sunrpc]
[28867.045182] [<f87774e7>] nfs4_create_server+0x37/0xe0 [nfs]
[28867.045213] [<f87811df>] nfs4_remote_mount+0x3f/0x2b0 [nfs]
[28867.045232] [<c1147cc6>] mount_fs+0x36/0x180
[28867.045247] [<c11124ff>] ? __alloc_percpu+0xf/0x20
[28867.045265] [<c115e9de>] ? alloc_vfsmnt+0xae/0x130
[28867.045282] [<c115eaf1>] vfs_kern_mount+0x51/0xa0
[28867.045314] [<f878152c>] nfs_do_root_mount+0x7c/0xc0 [nfs]
[28867.045345] [<f8781dc8>] nfs4_try_mount.isra.15+0x48/0xe0 [nfs]
[28867.045376] [<f8782d09>] nfs_fs_mount+0x189/0x1e0 [nfs]
[28867.045396] [<c1147cc6>] mount_fs+0x36/0x180
[28867.045411] [<c11124ff>] ? __alloc_percpu+0xf/0x20
[28867.045427] [<c115e9de>] ? alloc_vfsmnt+0xae/0x130
[28867.045445] [<c115eaf1>] vfs_kern_mount+0x51/0xa0
[28867.045464] [<c115fc1e>] do_kern_mount+0x3e/0xe0
[28867.045483] [<c1161314>] do_mount+0x164/0x200
[28867.045500] [<c116174b>] sys_mount+0x6b/0xa0
[28867.045517] [<c15afedf>] sysenter_do_call+0x12/0x28
[28867.045528] ---[ end trace ca0af56ffc0cfd31 ]---
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-25-generic-pae 3.2.0-25.40
ProcVersionSignature: Ubuntu 3.2.0-25.40-generic-pae 3.2.18
Uname: Linux 3.2.0-25-generic-pae i686
AlsaDevices:
total 0
crw-rw---T 1 root audio 116, 1 Jun 18 15:29 seq
crw-rw---T 1 root audio 116, 33 Jun 18 15:29 timer
AplayDevices: aplay: device_list:252: no soundcards found...
ApportVersion: 2.0.1-0ubuntu8
Architecture: i386
ArecordDevices: arecord: device_list:252: no soundcards found...
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq',
'/dev/snd/timer'] failed with exit code 1:
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not
found.
Date: Tue Jun 19 15:17:41 2012
IwConfig: Error: [Errno 2] No such file or directory
MachineType: Supermicro H8DG6/H8DGi
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
SHELL=/bin/bash
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-25-generic-pae
root=/dev/md0p1 ro
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-3.2.0-25-generic-pae N/A
linux-backports-modules-3.2.0-25-generic-pae N/A
linux-firmware 1.79
RfKill: Error: [Errno 2] No such file or directory
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 11/10/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2.0a
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: H8DG6/H8DGi
dmi.board.vendor: Supermicro
dmi.board.version: 1.0
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 17
dmi.chassis.vendor: Supermicro
dmi.chassis.version: 1234567890
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2.0a:bd11/10/2011:svnSupermicro:pnH8DG6/H8DGi:pvr1234567890:rvnSupermicro:rnH8DG6/H8DGi:rvr1.0:cvnSupermicro:ct17:cvr1234567890:
dmi.product.name: H8DG6/H8DGi
dmi.product.version: 1234567890
dmi.sys.vendor: Supermicro
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-bug i386 precise
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https://bugs.launchpad.net/bugs/1015257
Title:
WARNING: at /build/buildd/linux-3.2.0/fs/dcache.c:1287
d_set_d_op+0x6e/0xa0()
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