Bug 770838

Summary: [abrt] kernel: WARNING: at fs/dcache.c:2458 prepend_path+0x18c/0x1a0()
Product: [Fedora] Fedora Reporter: Ferry Huberts <mailings>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 16CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:26a0d9255ad76d9707b6fdc50b1f2d5d61ccfff5
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-01-04 12:44:53 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description Ferry Huberts 2011-12-29 12:50:36 UTC 
libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/vmlinuz-3.1.6-1.fc16.x86_64 root=/dev/mapper/vg_stinkpadw520-lv_root ro rd.lvm.lv=vg_stinkpadw520/lv_swap rd.md=0 rd.dm=0 rd.luks.uuid=luks-29a52a86-a488-4105-81ac-5fa5e777d4d8 rd.lvm.lv=vg_stinkpadw520/lv_root KEYTABLE=us SYSFONT=latarcyrheb-sun16 LANG=en_US.UTF-8 quiet i915.i915_enable_rc6=1
kernel:         3.1.6-1.fc16.x86_64
reason:         WARNING: at fs/dcache.c:2458 prepend_path+0x18c/0x1a0()
time:           do 29 dec 2011 13:49:59 CET

backtrace:
:WARNING: at fs/dcache.c:2458 prepend_path+0x18c/0x1a0()
:Hardware name: 42844MG
:Root dentry has weird name <>
:Modules linked in: vfat fat usb_storage tcp_lp nfs fscache auth_rpcgss nfs_acl ppdev parport_pc lp parport fuse ebtable_nat ebtables lockd ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle tun bridge stp llc rfcomm bnep nf_conntrack_ipv4 nf_defrag_ipv4 ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables btusb bluetooth snd_hda_codec_conexant cdc_ncm usbnet mii uvcvideo cdc_wdm videodev media v4l2_compat_ioctl32 cdc_acm arc4 snd_hda_intel snd_hda_codec snd_hwdep microcode snd_seq thinkpad_acpi snd_seq_device joydev snd_pcm iTCO_wdt snd_timer iwlwifi snd_page_alloc iTCO_vendor_support mac80211 i2c_i801 cfg80211 rfkill e1000e snd soundcore virtio_net kvm_intel kvm uinput sunrpc xts gf128mul dm_crypt sdhci_pci sdhci mmc_core firewire_ohci firewire_core crc_itu_t i915 nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core mxm_wmi wmi video [last unloaded: scsi_wait_scan]
:Pid: 22829, comm: mc Tainted: G        W   3.1.6-1.fc16.x86_64 #1
:Call Trace:
: [<ffffffff8106b73f>] warn_slowpath_common+0x7f/0xc0
: [<ffffffff8106b836>] warn_slowpath_fmt+0x46/0x50
: [<ffffffff811887a7>] ? d_kill+0xa7/0x100
: [<ffffffff8118728c>] prepend_path+0x18c/0x1a0
: [<ffffffff8118a4a7>] sys_getcwd+0xf7/0x1e0
: [<ffffffff815dccc2>] system_call_fastpath+0x16/0x1b

smolt_data:
:
:
:General
:=================================
:UUID: 6c1d14d0-8a4c-47a6-a524-423afe13f4af
:OS: Fedora release 16 (Verne)
:Default run level: Unknown
:Language: en_US.utf8
:Platform: x86_64
:BogoMIPS: 4983.39
:CPU Vendor: GenuineIntel
:CPU Model: Intel(R) Core(TM) i7-2860QM CPU @ 2.50GHz
:CPU Stepping: 7
:CPU Family: 6
:CPU Model Num: 42
:Number of CPUs: 8
:CPU Speed: 2501
:System Memory: 15934
:System Swap: 18047
:Vendor: LENOVO
:System: 42844MG ThinkPad W520
:Form factor: Notebook
:Kernel: 3.1.6-1.fc16.x86_64
:SELinux Enabled: 1
:SELinux Policy: targeted
:SELinux Enforce: Enforcing
:MythTV Remote: Unknown
:MythTV Role: Unknown
:MythTV Theme: Unknown
:MythTV Plugin: 
:MythTV Tuner: -1
:
:
:Devices
:=================================
:(4318:3546:6058:8657) pci, nouveau, VIDEO, GF106 [Quadro 2000M]
:(32902:7247:6058:8655) pci, None, PCI/ISA, QM67 Express Chipset Family LPC Controller
:(4147:404:6058:8655) pci, xhci_hcd, USB, uPD720200 USB 3.0 Host Controller
:(32902:294:6058:8657) pci, i915, VIDEO, 2nd Generation Core Processor Family Integrated Graphics Controller
:(32902:7190:6058:8655) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 4
:(32902:7184:6058:8655) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 1
:(32902:7186:6058:8655) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 2
:(32902:7196:6058:8655) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 7
:(32902:7192:6058:8655) pci, pcieport, PCI/PCI, 6 Series/C200 Series Chipset Family PCI Express Root Port 5
:(32902:7200:6058:8655) pci, snd_hda_intel, MULTIMEDIA, 6 Series/C200 Series Chipset Family High Definition Audio Controller
:(32902:5378:6058:8654) pci, e1000e, ETHERNET, 82579LM Gigabit Network Connection
:(32902:7202:6058:8655) pci, i801_smbus, SERIAL, 6 Series/C200 Series Chipset Family SMBus Controller
:(32902:16952:32902:4369) pci, iwlwifi, NETWORK, Centrino Ultimate-N 6300 3x3 AGN
:(4480:59442:6058:8655) pci, firewire_ohci, FIREWIRE, FireWire Host Controller
:(4480:59426:6058:8655) pci, sdhci-pci, BASE, MMC/SD Host Controller
:(32902:7171:6058:8655) pci, ahci, STORAGE, 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller
:(32902:7213:6058:8655) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2
:(32902:7206:6058:8655) pci, ehci_hcd, USB, 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1
:(32902:260:6058:8655) pci, agpgart-intel, HOST/PCI, 2nd Generation Core Processor Family DRAM Controller
:(32902:7226:6058:8655) pci, None, SIMPLE, 6 Series/C200 Series Chipset Family MEI Controller #1
:(32902:257:6058:8655) pci, pcieport, PCI/PCI, Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port
:
:
:Filesystem Information
:=================================
:device mtpt type bsize frsize blocks bfree bavail file ffree favail
:-------------------------------------------------------------------
:/dev/mapper/vg_stinkpadw520-lv_root / ext4 4096 4096 12901535 10049919 9394559 3276800 2964765 2964765
:/dev/sda1 /boot ext4 1024 1024 495844 407469 381869 128016 127746 127746
:/dev/mapper/vg_stinkpadw520-lv_home /home ext4 4096 4096 40107427 13142684 11105334 10190848 9765912 9765912
:
Comment 1 Ferry Huberts 2011-12-29 12:53:24 UTC 
ah, just reproduced it:

I had a NFS share mounted with bg option, via cable. had a gnome-terminal open on a directory in the mount.

pulled out the cable, did some other stuff with the laptop 

about an hour later returned and put the cable back, then tried to access the directory in the gnome-terminal
Comment 2 Josh Boyer 2012-01-04 12:44:53 UTC 
You might want to note your recreate steps in bug 766277

*** This bug has been marked as a duplicate of bug 766277 ***